Personal Protective Equipment and Phlebotomy Procedures, Exams of Clinical chemistry

Download Personal Protective Equipment and Phlebotomy Procedures and more Exams Clinical chemistry in PDF only on Docsity! NHA CPT Exam: Essential Study Guide for Phlebotomy Safety and Compliance- A phlebotomy technician is preparing to perform a venipuncture for a patient who has pneumonia. Besides gloves, which of the following pieces of personal protective equipment should the technician wear? A. Gown B. N95 respirator C. Face mask D. Goggles - \C. The technician should wear a face mask when performing a venipuncture for a patient who has a condition that requires droplet precautions, such as pneumonia. Safety and Compliance- While collecting a blood specimen, a phlebotomy technician notices the glass collection tube is cracked. Which of the following actions should the technician take? A. Wrap the tube in a pair of gloves and place it in a trash can. B. Discard the tube in a biohazard bag. C. Label the tube and send it to the laboratory. D. Dispose of the tube in a sharps container. - \D. The technician should discard broken glass in a sharps container to reduce the risk of injury. Safety and Compliance- A phlebotomy technician is performing a glucometer reading in a young adult patient. The patient's parent is in the room and asks about the patient's glucose level. Which of the following actions should the technician take? A. Write down the results for the parent and the patient. B. Ask the parent to leave the room and tell the patient. C. Show the patient and parent the results in the patient and parent the results in the patient's electronic health record. (EHR) D. Ask the patient for permission to disclose the results with the parent present. - \D. The technician should not give the results directly to the patient's parents. Because the patient is an adult, the technician should ask the patient for permission to disclose results. Safety and Compliance- A phlebotomy technician is preparing to perform the third set of blood draws for a glucose tolerance test (GTT). The patient starts to cry and refuses to extend her arm for the draw. Which of the following statements should the technician make? A. "I will get in trouble if I don't perform the draw." B. "I promise the draw won't hurt." C. "May I come back in an hour to perform the draw?" D. "May I please perform the draw?" - \D. The GTT is a timed test that requires multiple blood draws performed at set intervals to adequately determine values and ranges. The technician should ask the patient for permission to perform the draw but should recognize the patient's right to refuse the procedure. Safety and Compliance- A phlebotomy technician is preparing to complete the glucose monitor quality control record. Which of the following information should the technician record in the quality control record? A. Daily patient test results B. Physician's NPI number C. Date of battery change D. Time that values were recorded - \C. The technician should perform daily quality control checks and record the results of these checks and any other maintenance in the quality control record. Safety and Compliance- A phlebotomy technician observes a glucometer reading of 250 mg/dL. A second test is performed and returns a reading within the expected reference range. Which of the following circumstances could have caused the first result to be inaccurate? A. Too much blood was used. B. The first drop of blood was used. C. Too little blood was used. D. The test strips were left open. - \A. If too much blood is applied to a test strip, it can cause false high glucose level readings. Safety and Compliance- Which of the following solutions should a phlebotomy technician use to clean a cerebral spine specimen spill? A. Chlorine bleach B. Hydrogen peroxide C. Povidone-iodine D. Isopropyl alcohol - \A. The technician should use a 1:10 solution of bleach and water to clean a biohazard spill. Chlorine bleach is disinfected and will kill all pathogens. D. Face shield and gloves - \D. When aliquoting a blood specimen, the technician should wear protective eyewear, a protective mouth covering, and gloves. A face shield covers the eyes, nose, and mouth. Safety and Compliance- A phlebotomy technician experiences a needlestick injury while performing a draw. The technician is at greatest risk for exposure to which of the following blood borne pathogens? A. Hepatitis A virus (HAV) B. Hepatitis C virus (HCV) C. Hepatitis B virus (HBV) D. Human immunodeficiency virus (HIV) - \C. The technician is at the greatest risk for exposure to Hepatitis B Virus (HBV). The CDC estimates that the risk of infection is approximately between 6% to 30% Safety and Compliance- A phlebotomy technician receives a splash of blood to the eyes while transferring serum into an isolator tube. Which of the following actions should the technician take first? A. Notify his immediate supervisor. B. Rinse his eyes with water. C. Disinfect his contact lenses with saline. D. Report to a health care provider. - \B. The technician should rinse his eyes with water for 15 min immediately following the incident. Safety and Compliance- A phlebotomy technician is collecting a sample for cholesterol troponin, and HDL blood results. Which of the following departments is responsible for processing these tests? A. Hematology B. Microbiology C. Chemistry D. Pathology - \C. The chemistry department processes tests related to body chemistry. Safety and Compliance- A phlebotomy technician is performing a blood alcohol test. Which of the following antiseptics should the technician use? A. Tincture of iodine B. Ethanol C. Chlorhexidine glucometer D. Isopropyl alcohol - \C. The technician should use chlorhexidine gluconate to perform a blood alcohol test because it does not contain alcohol. Safety and Compliance- A phlebotomy technician is performing a venipuncture on a patient who has a wound infected with methicillin- resistant Staphylococcus aureus (MSRA) and has been placed in isolation. Which of the following actions should the technician take once the procedure is complete? A. Remove show covers after leaving the room. B. Dispose of gloves after leaving the room. C. Dispose of the gown before leaving the room. D. Clean the gown before leaving the room. - \C. The technician should remove the disposal of the gown before leaving the patient's room. Patient Preparation- Which of the following types of urine specimen should a phlebotomy technician instruct a patient to collect for a pregnancy test? A. First-morning B. Timed C. Random D. Suprapubic - \A. The technician should instruct the client to collect a first-morning void because it is the most concentrated specimen of the day, which makes it the optimal method for detecting human chorionic gonadotropin (hCG). Patient Preparation- A phlebotomy technician is explaining a phlebotomy procedure to a patient who wears hearing aids. The patient seems distracted. Which of the following questions should the technician ask to ensure the patient understands the procedure? A. "Did you hear what I said?" B. "Do you understand what you need to do?" C. "Would you like me to repeat the directions?" D. "Do you need me to talk slower?" - \C. The technician should ask the patient if she needs any directions repeatedly to verify that the patient clearly understands the information. Patient Preparation- A phlebotomy technician should identify which of the following information is required for positive identification of a patient in an outpatient facility? A. Attached ID band, full name, accession number B. Picture ID, full name, date of birth C. Accession number, full name, date of birth D. Medical requisition number, full name, date if draw - \B. For patient identification in an outpatient facility, the technician must have one piece of visual identification and two instances of verbal confirmation of identification. Patient Preparation- A phlebotomy technician enters a patient's room to perform a blood draw and notices that the patient's identification band is sitting on the bedside table. The patient states, " I hate wearing it, so I took it off." Which of the following responses should the technician make? A. "I will ask the nurse to replace the identification band." B. " Please show me your driver's licence." C. "I will proceed with the blood draw." D. "I will ask your roommate to verify your identification." - \A. Before performing a blood draw, the technician must ensure the patient's armband is in place and verbally verify the patient's identification. Patient Preparation- A phlebotomy technician is seeking consent to perform venipuncture on an older patient who has been accompanied to the facility by a younger adult. Which of the following actions should the technician take? A. Speak to the patient in a loud voice. B. Give the consent form to the adult accompanying the patient C. Speak to the patient in a normal tone. D. Stand close to the patient while speaking. - \C. The technician should treat the patient with respect, regardless of age. After assessing the patient, the technician should alter communication methods to fit the patient's needs. Patient Preparation- A phlebotomy technician is preparing to draw blood from a patient who has been admitted for life threatening cardiac symptoms. Which of the following actions should the technician take? A. Ask the patient to sign a consent form. B. Ask for consent from a family member. C. Proceed with collecting the patient's blood. D. Proceed after verbal consent has been given. - \C. The technician should recognize that an emergency situation removes the need for consent. Therefore, the technician should proceed with the blood collection. Patient Preparation- A phlebotomy technician is collecting a specimen to test a patient's lithium level following a recent dose of medication. Which of the following levels should the technician collect? A. Peak B. "Please take any prescribed medication after the test." C. "Avoid eating red meat the day before the test." D. "Avoid any caffeine on the day of the test." - \A. Sitting or lying down before a cholesterol test will help to lower test results. Patient Preparation- A phlebotomy technician is positioning a patient for a venipuncture. To prevent reflux or backflow, the technician should instruct the patient to move her arm into which of the following positions? A. Fully extended in a downward position B. Elbow bent at a 90 degree angle C. Hyper-extended at the elbow D. Slightly bent in an outward position - \A. The phlebotomy technician should instruct the patient to fully extend her arm in a downward position to prevent reflux or backflow. Patient Preparation- A phlebotomy technician is preparing to collect a specimen from a 3-year-old patient to perform a coagulation test. Which of the following collection methods should the technician use? A. Finger Stick B. Heel Stick C. Winged safety butterfly D. Evacuated tube system - \C. The technician should use a winged safety butterfly device when collecting a specimen from a 3 year old patient to perform a coagulation test. This method is best for patients who have small veins such as young children. Patient Preparation- A phlebotomy technician is performing a venipuncture on a patient who currently has an IV in both arms. Which of the following actions should the technician take? A. Ask the nurse to turn the IVs off for 1 min. B. Apply the tourniquet about the IV site. C. Ask the nurse to turn the IVs off for 2 min. D. Ask the nurse to remove one of the IVs. - \C. The technician should ask the nurse to turn both of the IVs off for 2 min before processing with the venipuncture. Patient Participation- A phlebotomy technician is educating a patient about a 24-hr urine collection. Which of the following instructions should the technician give to the patient? A. "Avoid mixing or inverting the container after collecting the specimen." B. "Start collecting at the second void of the day." C. Reduce fluid intake during the 24- hour time frame." D. "Store the specimen at room temperature." - \B. The patient should use the second void of the day to begin the 24-hr urine collection. The exact time should be written on the container label. Patient Participation- A phlebotomy technician is instructing a patient on how to collect a ruin specimen for a culture and sensitivity test. Which of the following statements should the technician include? A. "You will need to collect a midstream clean-catch specimen." B. "You will need to collect your first void of the morning." C. "You will need to collect the specimen after a 12-hour fast." D. "You will need to collect the specimen 2 hours after eating." - \A. The patient should collect a midstream clean-catch specimen to avoid cross-contamination with other microbes. This is the preferred collection process for a culture and sensitivity test. Routine Blood Collections- A phlebotomy technician is performing a hand venipuncture on a 25- year old patient who has small veins that are difficult to access. Which of the following equipment should the technician use to perform the procedure? A. 21-gauge ETS eclipse needle B. 25-gauge ETS eclipse needle C. 23-gauge winged collection set D. 23- gauge syringe collection set - \C. The technician should use a winged collection set for a hand draw and a 23-gauge needle should be small enough to access the patient's small veins. Routine Blood Collections- A phlebotomy technician is preparing equipment for a blood draw. The technician notices that one of the tubes on the tray is expired. Which of the following actions should the technician take to ensure accurate test results? A. Use a new tube from the front of the shelf. B. Use a tube from the back of the shelf. C. Use the expired tube regardless of the date. D. Use the tube within 5 days of expiration. - \A. The technician should use a new tube from the front of the shelf to perform the blood draw. Routine Blood Collections- A phlebotomy technician is performing a venipuncture for a potassium test, CBC, and glucose test. The technician has left the tourniquet tied on the patient for 3 min. Which of the following outcomes should the technician expect? A. High potassium level B. Low iron level C. High CBC level D. Low potassium level - \A. Leaving a tourniquet tied on for longer than 1 min can cause hemolysis, which creates a falsely elevated potassium level. Routine Blood Collection- A phlebotomy technician performing a blood collection for a patient who has edema in her right arm. Which of the following locations should the technician identify as the best vein choice for venipuncture? A. Right side median cubital B. Right side median cephalic C. Left side basilic D. Left side dorsal hand - \D. The technician should use this site to perform the collection. This vein is not on the same side as the edema and it is an acceptable draw site. Routine Blood Collections- A phlebotomy technician is using providing-iodine during a capillary specimen collection. Which of the following outcomes should the technician expect? A. Increased potassium level B. Decreased potassium level C. Increased glucose levels D. Decreased glucose levels - \A. The use of povidone- iodine can contaminate the site and cause falsely elevated potassium levels. Routine Blood Collections- A phlebotomy technician is performing a venipuncture. After removing the needle cap, which of the following steps should the technician take? A. Position the needle at a 40 degree angle above the puncture site. B. Perform a "C" hold over the intended puncture site. C. Anchor the vein 2.5 to 5 cm (1 to 2 in) below the puncture site. D. Insert the needle quickly at the puncture site. - \C. The technician should anchor the vein 2.5 to 5 cm below the puncture site to stabilise the vein before needle insertion. B. Lavender microcollection container, red microcollection container, then green microcollection container C. Red microcollection container, lavender microcollection container, then green microcollection container D. Red microcollection container, green microcollection container, then lavender microcollection container - \A. The technician should collect lavender first, green second, and red micro collection containers last to prevent cross-contamination. Routine Blood Collections- A phlebotomy technician has three bar-coded labels but has filled four tubes. The technician needs to create one more label for evacuated tubes. Which of the following information should the technician include on the label? A. Patient's name, room number, and date of collection B. Patient's date of birth, accession number, and time of collection C. Technician's initials, date, and time of patient's date of birth D. Technician's initials, patient's date of birth, provider's name - \C. The label should include the technician's initials, date, and time of collection, as well as the patient's name and date of birth. Routine Blood Collections- A phlebotomy technician accidentally punctures a patient's artery during a venipuncture procedure. Which of the following actions should the technician take? A. Instruct the patient to bend the arm at the elbow. B. Apply pressure on the site for at least 5 min. C. Apply self-adherent tape with a cotton ball. D. Instruct the patient to hold the arm below the heart. - \B. The Technician should apply pressure for at least 5 min or until the bleeding stops. Routine Blood Collections- A phlebotomy technician is preparing to perform a CBC for a 7 month old infant. Which of the following equipment will the technician need? A. Butterfly with a 21 -gauge needle and an EDTA evacuated tube B. ETS system with a 25-gauge needle and a SST evacuated tube C. Lancet with a 2 mm depth and an EDTA microcollection container D. Syringe with a 21-gauge needle and a SST evacuated tube - \C. A lancet no deeper than 2mm should be used for a patient under 1 year of age. EDTA is the proper additive for the micro collection container that the technician would use. Routine Blood Collections - A phlebotomy technician is performing a venipuncture for a lipid profile, WBC, and a clotting time test. Which of the following is the correct draw order? A. Light blue, SST, lavender B. Purple, grey, light blue C. Serum, green, light yellow ACD D. Green, light yellow ACD, serum - \A.The correct order of draw is the light blue tube, the SST tube, and then the lavender tube to prevent cross-contamination. Routine Blood Collections- A phlebotomy technician is performing venipuncture on a patient. When the technician inserts the needle, the vein collapses. Which of the following is a possible cause? A. Applying the tourniquet too tightly B. Inserting a smaller evacuated tube C. Applying the blood pressure cuff to 30 mm Hg D. Using a 25-gauge needle and syringe - \A. The technician should identify that applying a tourniquet too tightly will decrease blood flow and can cause vein collapse. Routine Blood Collections- A phlebotomy technician is preparing to collect a variety of blood specimens. Which of the following specimens should the technician collect first? A. Blood culture B. Cholesterol C. Complete blood count (CBC) D. Basic metabolic panel (BMP) - \A. To avoid cross-contamination, the technician should always collect blood culture specimens first. Special Collections- A phlebotomy technician is preparing to process a WBC differential test, testosterone test, and a glucose test. Which of the following actions should the technician take to process these tests? A. Prepare a slide from a lavender -topped tube and centrifuge a red- topped tube and a grey- topped tube B. Prepare a slide from a grey- topped tube and centrifuge a light blue topped-tube and a red- topped tube. C. Prepare a slide from a red-topped tube and centrifuge a grey-topped tube and a lavender-topped tube. D. Prepare a slide from a light-blue topped tube and centrifuge a lavender -topped tube and a red- topped tube. - \A. A WBC- differential test (lavender- topped tube) requires a blood smear. Testosterone (red-topped tube) and glucose (grey-topped tube) tests require centrifugal ions. Special collections- A phlebotomy technician is preparing a peripheral blood slide from a capillary puncture. Which of the following actions should the technician take? A. Pipette the blood onto the centre of the slide. B. Pipette the blood 2.5 cm ( 1 in) from the end of the slide. C. Touch the slide to the first drop of blood. D. Touch the slide of the second drop of blood. - \D. The technician should touch the slide to the second drop of blood for optimal specimen collection. Special Collections- A phlebotomy technician is using a syringe method to collect a blood cultures set, a PTT, and a CBC test. Which of the following should the technician identify as the proper order of the draw? A. Aerobic bottle, anaerobic bottle, EDTA, light blue-topped tube. B. Anaerobic bottle, aerobic bottle, light blue-topped tube, EDTA C. EDTA, light blue-topped tube, aerobic bottle, anaerobic bottle D. EDTA, light blue-topped tube, anaerobic bottle, aerobic bottle - \B. Using a syringe, the technician should draw an anaerobic bottle first, followed by an aerobic bottle, a light blue topped tube, and finally EDTA Special collections- A phlebotomy technician is performing two sets of blood cultures for a patient. Which of the following actions should the technician take? A. Collect both sets from the same site after waiting about 4 hr. B. Collect one set from the antecubital region and one set from the ventral part of the patient's hand. C. Collect one set from the patient's left arm and one set from a different site on the same arm. D. Collect one set from the capillary region and one set from the antecubital region. - \C. The technician should draw from two separate sites, because this will provide the most accurate test results. Special collections- A phlebotomy technician is collecting a peripheral blood smear from a patient. The technician should identify that this collection technique is used for which of the following tests? A. WBC differential test Special Collections- A phlebotomy technician is instructing a patient about how to perform a pregnancy test. Which of the following statements should the technician include? A. "Collect your first urine specimen of the morning." B. "Collect your urine specimen after fasting for 8 hours." C. "Collect your last urine specimen of the day." D. "Collect your urine specimen after a full meal." - \A. The technician should instruct the patient to collect her first urine specimen of the morning because hormone levels are the most concentrated at this time of day. A pregnancy test detects the hormone human chorionic gonadotropin (hcG). Special collections- A phlebotomy technician is instructing a patient about how to collect a sputum specimen. Which of the following statements should the technician make? A. "You should provide the specimen in the morning before eating or drinking." B. "You should provide the specimen in the morning after eating or drinking." C. "You should provide the specimen in the evening before eating dinner." D. "You should provide the specimen in the evening after eating dinner." - \A. The technician should instruct the patient to provide the sputum specimen in the morning before eating or drinking. A sample obtained in the morning is best for analysis because it is the most concentrated. Special Collections- Which of the following additives should a phlebotomy technician use when performing a peripheral blood smear for a WBC count? A. EDTA B. Sodium Fluoride C. Sodium Citrate D. Heparin - \A. The technician should select a lavender topped tube which contains the additive EDTA, when performing a peripheral blood smear for a WBC count. Special Collections- A phlebotomy technician is preparing to perform a blood collection for blood cultures, PTT, and tester one levels. In which of the following orders should the technician collect these samples? A. Yellow-topped tube, blue-topped tube, red-topped tube. B. Yellow- topped tube, red-topped tube, blue-topped tube C. Blue-topped tube, red-topped tube, yellow-topped tube D. Blue-topped tube, yellow-topped tube, red-topped tube - \A. The technician should identify that the correct order of draw in their situation is the blood culture first (yellow-topped tube) PPT (blue tipped tube) second, and tester one (red-topped tube) last. Special Collections- A phlebotomy technician should recognize which of the following blood types is compatible with type O blood? A.Type O B. Type A C. Type AB D. Type B - \A. Type O blood is only compatible with type O blood because of the interaction between the antigens and antibodies. Special Collections- A phlebotomy technician is instructing a patient about how to collect a faecal specimen at home. Which of the following instructions should the technician include? A. "Refrigerate the faecal sample after the collection." B. "Do not mix urine with the faecal sample." C. "Avoid washing the outside of the container following collection." D. "Scoop the faecal sample from the toilet into the container." - \B. The technician should instruct the patient to avoid allowing urine into the container when collecting a faecal sample. Urine affects the micro-organisms in the faeces, which can alter test results. Special Collections- A phlebotomy technician is performing a brief physical examination on a prospective blood donor. Which of the following measurements would indicate the donor's eligibility to donate blood?" A. Pulse rate 40/min B. Diastolic blood pressure 110 mm Hg C. Temperature 37.7 degrees C (99.8 degrees F) D. Hematocrit level 42% - \D. The technician should identify that the patient's hematocrit level must be 38% or higher for the patient to be eligible to donate blood. Special Collections- A phlebotomy technician has collected a neonatal screening card. Which of the following actions should the technician take to properly dry the blood spot collection card? A. Place the card in direct sunlight. B. Allow the card to dry for 1 hr. C. Place the card on a flat, dry surface. D. Stack cards on a drying rack. - \C. The technician should place the card on a flat, dry surface away from heat or sunlight for 4 hours. Processing Specimens- A phlebotomy technician is preparing to load two tubes into a centrifuge. Which of the following actions should the technician take? A. Place tubes of unequal volume adjacent to each other. B. Place tubes of equal volume adjacent to each other. C. Place tubes of unequal volume across from each other. D. Place tubes of equal volume across from each other. - \D. the technician should place tubes of equal volume across from each other in the centrifuge. This prevents the tubes from breaking. Processing Specimens- A phlebotomy technician is preparing serum samples for centrifugation. How many minutes should the technician allow the serum samples to stand before loading them into the centrifuge? A. 10 min B. 15 min C. 25 min. D. 30 min. - \D. the technician should allow the serum samples to stand for a minimum of 30 min for coagulation before loading them into the centrifuge. Processing Specimens- A phlebotomy technician is preparing to draw a blood specimen that must be protected from the light. Which of the following laboratory tests will be performed on this specimen? A. CBC B. Bilirubin C. BMP D. Potassium - \B. The technician should protect bilirubin specimens from light to prevent damage to the specimen. Processing Specimens- A phlebotomy technician working in a laboratory has received six filled evacuated tubes, one of which is missing a label. Which of the following actions should the technician take? A. Print a barcode label for the unlabeled specimen. B. Process the unlabeled specimen as it was received. C. Recollect the unlabeled specimen. D. Hand-write a label for the unlabeled specimen. - D. Previous laboratory results - \D. Previous laboratory results should be included in the laboratory information system. Processing Specimens- Which of the following information should the phlebotomy technician use to access a patient's medical records in the laboratory information system? A. Laboratory test number / B. Medical requisition number/ C. Patient identification number /D. Provider telephone number - \C. The technician should identify that the patient identification number can be used to access a patient's medical records. Processing Specimens- A phlebotomy technician is performing a point of care glucose test for a patient and receives a glucometer reading of 46 mg/dL. Which of the following findings should the phlebotomist expect the patient to exhibit? A. Slow heartbeat/ B. Rapid heartbeat / C. Rapid breathing /D. Slow Breathing - \B. The technician should identify that a critically low glucose level can cause a rapid heartbeat. Processing Specimens- A phlebotomy technician is performing a point of care haemoglobin test for a patient. Which of the following values should the technician report to the provider? A. 9.2 g/dL. / B. 12.5 g/dL. /C. 16.8 g/dL / D. 18.0g/dL - \A. This haemoglobin level is outside of the expected reference range. Therefore, the technician should report this value to the provider. Processing Specimens- A phlebotomy technician is performing a point of care total cholesterol test for a patient. Which of the following values should the technician report to the provider? A. 250 mg/dL / B. 200 mg/dL / C. 175 mg/dL / D. 140 mg/dL - \A. This total cholesterol level is outside the expected reference range. Therefore, the technician should report this value to the provider.. Processing Specimens- A phlebotomy technician notices that the volume of blood required to fill the tests ordered by the patient's endocrinologist exceeds the recommended draw amount for the day. Which of the following actions should the technician take? A. Contact the laboratory supervisor. / B. Contact the patient's name. / C. Contact the patients endocrinologist / D. Contact the patient's unit secretary - \C. The technician should contact the ordering provider first. Processing Specimens- A phlebotomy technician has just received several blood test results from different patients. Which of the following results should the technician distribute first? A. ASAP cardiac enzymes drawn in ER / B. 2-hr GTT glucose drawn in ICU / C. Stat CBT drawn in surgery / D. Blood culture drawn in ER - \C. Stat results carry the highest priority and the technician should report these results first. Processing Specimens- A phlebotomy technician should refrigerate which of the following specimens before transportation? A. Lactic Acid / B. Cryofibrinogen / C. Bilirubin /D. Cold agglutinins - \A. The technician should refrigerate a lactic acid specimen prior to transport. Processing Specimens- A phlebotomy technician is transporting a cryoglobulin specimen to the laboratory. The technician should keep the specimen at which of the following temperatures? A. 37 degree C (98.6 degree F) / B. 0 degree C (32 degree F) / C. 21 degree C (69.8 degree F) /D. 4 degree C (39.2 degree F) - \A. The technician should transport cryoglobulin specimens at 37 degree C (98.6 degree F) to prevent precipitation or agglutination. Extreme temperatures, such as 0 degree C (32 degree F) can damage the specimen. Plasma is the liquid portion of the ____________ blood and still contains the clotting factors. - \Unclotted __________ is the liquid portion of blood that has been allowed to clot (coagulate). (Clotting factors are no longer present as they have been used to clot the blood.) - \Serum Tubes with anticoagulants: - \lavender, green, pink, royal blue with a lavender stripe, light blue and grey will produce plasma when separated in a centrifuge Tubes without anticoagulants - \Clear-used as a discard tube, red- glass or plastic, tiger top, gold top, marble top, royal blue with a red stripe will produce serum when separated in a centrifuge The Clinical and Laboratory Standards Institute (CLSI) Order - \Blood Culture Bottles (Broth) Discard Tubes (Clear or Red) Light Blue Top (Sodium Citrate) Red Top (Clot Activator if Plastic) Gold /Tiger/ Marble Top (Silica/ Gel) Light Green Top (Lithium Heparin/ Gel) Dark Green Top (Sodium Heparin) Pink Top (Potassium EDTA) Lavender Top (EDTA) Gray Top (Sodium Fluoride/ Potassium Oxalate) Dark Blue ( As called for in draw order)