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NHA PHLEBOTOMY EXAM
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Which of the following POC lab tests is within the CLIA defined scope of practice for a phlebotomist? a. cell differential and urine sediment b. strep test and urine sediment c. urine dip and cell differential d. strep test and urine dip Correct Answer d. strep test and urine dip The phlebotomist is performing a venipuncture on an apprehensive school age child. Which of the following approaches should the phlebotomist use to calm the child? a. direct the child's questions to the parent and have the parent explain b. tell the child she has to do this, but it won't hurt c. explain the procedure and reassure the child that the parent can stay with her d. allow child to clean the puncture site and give her a sticker Correct Answer c. explain the procedure and reassure the child that the parent can stay with her Which task should a phlebotomist complete prior to daily use of a POC instrument? a. run the test sample b. perform QC on the instrument c. ensure that QC was performed within the last month
d. perform QC and calibrate the instrument Correct Answer b. perform QC on the instrument rationale: we can't calibrate instruments, out of our scope of practice A patient brings in written lab tests result, including a mix of POC and higher complexity tests, and asks the phlebotomist for help with interpretation. Which of the following should the phlebotomist do? a. explain the interpretation behind the POC tests, but let the patient read the directions with the higher level tests b. explain the interpretation behind the POC car tests, but refer the patient to the MD for the higher complexity tests. c. refer the patient to the MD for interpretation of all results d. hand the patient pre-printed test explanations downloaded from the CDC website. Correct Answer c. refer the patient to the MD for interpretation of all results Which of the following is outside the scope of practice for a phlebotomist? a. verifying equipment function on point if care testing using a control b. prioritizing collections based on order requests c. recording quality control results on a log sheet d. performing CLIA moderate complexity tests Correct Answer d. performing CLIA moderate complexity tests What is the recommended depth of a heel puncture on an infant? A. 2.0mm B. 1.2mm C. 3.0mm
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True B. False Correct Answer B. False A red top tube is usualy drawn for which lab department? A. Hematology B. Blood bank C. Chemistry D. Serology Correct Answer C. Chemistry Which body plane divides the body in equal portions? A. Frontal B. Sagittal C. Midsagittal D. Transverse Correct Answer C. Midsagittal The order of draw for venipuncture is: BC, blue, serum, green, EDTA, gray. A. True B. False Correct Answer A. True
When someone is in shock you should keep them cool. A. True B. False Correct Answer B. False Repeated venipuncture in the same vein can cause: A. Thrombus B. Phlebitis C. Hemolysis D. Petechiae Correct Answer B. Phlebitis The first phase of hemostasis is _________________. A. Platelet phase B. Vascular stage C. Fibrinolysis D. Coagulation stage Correct Answer B. Vascular stage Which of the following is the best definition of destruction of red blood cells? A. Hemolysis B.
Leukocytes D. Phagocytes Correct Answer B. Erythrocytes Test for this dept. are usually collected in a light blue tube. A. Chemistry B. Coagulation C. Hematology D. Microbiology Correct Answer B. Coagulation Which represents the proper order of blood flow? A. From arteries to veins to capillaries B. From arterioles to capillaries to venules C. From capillaries to arterioles to arteries D. From veins to venules to capillaries Correct Answer B. From arterioles to capillaries to venules What kind of valve is the tricuspid valve? A. Atrioventricle B. Semi-lunar Correct Answer A. Atrioventricle
OSHA requires that health care professionals receive a vaccine for: A. HAV B. HBV C. HCV D. HPV Correct Answer B. HBV What is the oxygen carrying protein in erythrocytes? A. Hemoglobin B. Reticulocytes C. Plasma D. Leukocytes Correct Answer A. Hemoglobin Which is NOT a reason the tourniquet is used. A. To prevent veinous flow of blood B. To make veins bulge C. To make veins blue D. To aid in vein location Correct Answer C. To make veins blue Which test may require a chain of custody?
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False Correct Answer A. True Collecting urine by aspiration through the bladder wall A. Suprapubic B. Catheter C. Pediatric D. Amnio Correct Answer A. Suprapubic A person should sustain from eating for how many hours prior to a fasting blood test. A. 8 B. 6 C. 12 D. 4 Correct Answer C. 12 Failing to provide reasonable standards of care causing someone to suffer an injury is know as ____________. A. Trauma B. Negligence C. Tort
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Battery Correct Answer B. Negligence Which is used for PT and PTT? A. Red top B. Green top C. Light blue top D. Gray top Correct Answer C. Light blue top A CBC would be sent to what lab section? A. Chemistry B. Hemotology C. Microbiology D. Serology Correct Answer B. Hemotology The heart disorder characterized by fluid buildup in the lungs A. Aortic stenosis B. Bacterial endocarditis C. Congestive heart failure D. Myocardial infarction Correct Answer C.
True B. False Correct Answer A. True A drug known to interfere with urine tests should be discontinued 48 - 72 hours prior to the test. A. True B. False Correct Answer A. True Which WBC comprises 40%-60% of the white blood cells? A. Lymphocytes B. Neutrophils C. Monocytes D. Basophils Correct Answer B. Neutrophils How many hours before a blood test should a patient discontinue the use of medications known to interfere with blood tests? A. 1 - 4 B. 4 - 24 C. 24 - 36 D. 48 - 72 Correct Answer B. 4 - 24
Which tube is drawn last in a standard venipuncture procedure? A. Blood culture tube B. Lavender C. Light-blue D. Red Correct Answer B. Lavender Where do blood cells originate? A. Heart B. Lungs C. Bone marrow D. Capillaries Correct Answer C. Bone marrow Which blood vessel is NOT part of systemic circulation? A. Brachial artery B. Cephalic vein C. Pulmonary artery D. Vena cava Correct Answer C. Pulmonary artery
Plasma C. Serum D. Tissue fluid Correct Answer D. Tissue fluid Which vein in the antecubital fossa is usually easiest to palpate in an obese patient? A. Median cubital B. Cephalic C. Basilic D. Ulnar Correct Answer B. Cephalic What organ would a doctor be intested in if he ordered an ALP, AST, ALT, GTT and bilirubin? A. Heart B. Liver C. Kidney D. Spleen Correct Answer B. Liver Which fluid is obtained by lumbar puncture. A. Peritoneal B.
Pleural C. Cerebrospinal D. Synovial Correct Answer C. Cerebrospinal How many times should a red top tube be inverted? A. 2 B. 5 C. 0 D. 8 Correct Answer C. 0 Capillary puncture reference ranges are higher for this analyte. A. Calcium B. Glucose C. Phosphorus D. Protein Correct Answer B. Glucose If someone is cyanotic their skin may appear ____________. A. Flushed B. Clammy C.
A.
True B. False Correct Answer A. True There is a 9 to 1 ratio of blood to anticoagulant in a light blue tube. A. True B. False Correct Answer A. True Which is the best tube for collecting an ethanol specimen? A. EDTA B. Heparin C. Sodium citrate D. Sodium fluoride Correct Answer D. Sodium fluoride (gray top) Glass particle in serum seperator tubes A. Deter coagulation B. Enhance clotting C. Inhibit glycolysis D.
Prevent hemolysis Correct Answer B. Enhance clotting Which element prevents glycolysis? A. EDTA B. Heparin C. Sodium Fluoride D. Potassium oxalate Correct Answer D. Potassium oxalate What kind of blood do arteries and arterioles carry? A. Deoxygenated B. Oxygenated Correct Answer B. Oxygenated Blood cultures are collected in a ___________ tube. A. Red B. Yellow C. Blue D. Green Correct Answer B. Yellow The Good Samaritan Law allows health care workers to provide medical care above and beyond their normal field without being sued.
