Download CCHT Practice Exam Questions with Answers Correctly Solved and more Exams Nursing in PDF only on Docsity!
CCHT Practice Exam Questions with Answers Correctly Solved
1. In hemodialysis, the term "anastomosis" refers to the connection of: Two blood vessels
2. A patient requests information about home hemodialysis. However, his wife stops the technician in
the waiting room and says, "Please do not encourage home training for my husband." Which of these actions should the technician take initially?: Report the wife's concern to the RN
3. The dialysis personnel's first response in the event of a fire is to: Rescue PTs in immediate
danger
4. During a patient's dialysis treatment, the dialysis machine's blood leak detector alarm sounds.
The technician should take which of these actions first?: Confirm the blood leak
5. Venous pressure is a result of resistance created by the: Blood returning to the patient
6. A patient who recently had an arteriovenous (AV) fistula placed in the left forearm is experiencing
numbness and tingling of the left hand. The patient's left hand is cold and the fingernail beds are blue. The patient most likely has which of these syndromes?: Steal
7. A patient who is receiving an initial hemodialysis treatment on a
non-reusable dialyzer should be observed for signs of: First-use syndrome
8. A patient is experiencing large weight gains between hemodialysis treat- ments. The technician
should remind the patient that the best dietary measure to control weight gain is to decrease the intake of: Salt
9. Mrs. Miller's calculated Kt/Vurea is 0.9. One of the factors that affects her Kt/Vurea is her: TX
time
10.In order to minimize access recirculation, the technician should place Mrs. Miller's fistula
needles: As far apart as possible
11.Heparin is given during Mrs. Miller's dialysis treatment to lower the risk for: clot formation
12.Mrs. Miller asks the technician, "Why can't I completely cover up with a blanket during my
hemodialysis treatment? I'm cold." Which of these respons- es by the technician would be best?: "we need to ensure early detection of needle dislodgment"
13.During a treatment, Mrs. Miller's venous needle infiltrates. Which of these actions should the
technician take first?: make sure the blood pump stopped
14.The technician observes that a patient's dialysate lines were incorrect- ly placed on the
dialyzer. The technician corrects the line placement. The principle underlying the technician's action is that clearance is maximized by: Countercurrent flow
15.A substance that is cleared from the body by healthy kidneys is: Creatinine
16.One purpose of priming the bloodlines and extracorporeal circuit pre-dial- ysis is to: remove
disinfectant
17. A patient who has an arteriovenous (AV) fistula receives a bolus dose of heparin at the
beginning of a hemodialysis treatment and a continuous heparin infusion during the treatment. The patient's heparin administration should be terminated 30-60 minutes before the end of the treatment in order to: Prevent prolonged bleeding
18.A fire has broken out on the treatment floor. The technician must begin disconnecting
patients, starting with patients who are: ambulatory
19.Holding needle puncture sites instead of using spring-loaded fistula clamps is
recommended to avoid access: thrombosis
20.A female patient complains of loneliness and financial difficulty after her husband's death last
month. The technician should report this information to the: social worker
site, the technician observes where previous needles were placed and chooses to use alternate sites for arterial and venous needle insertion. This practice is an example of: rope and ladder technique
32.The greatest reduction in microorganisms in the dialysis machine is ac- complished by:
disinfecting
33.A patient is diagnosed with hepatitis C. Beyond standard precautions, what additional measures,
if any, should be taken for the patient?: no additional precautions are necessary for the patient
34.While performing the end-of-day water hardness check, the technician notes that the hardness
exceeds the allowable limit. In addition to notifying the equipment technician, the technician should check which component of the water system?: salt level in the brine tank
35.Which of the following types of vascular access has the lowest incidence of infection?:
arteriovenous (AV) fistula
36.Which of the following actions can the dialysis technician take to help min- imize anemia?:
adequately rinse back as much of the patient's blood as possible at each TX
37.According to the standards of the Association for the Advancement of Medical Instrumentation
(AAMI), pre-treatment water should be checked for chloramine at which of these times?: before each patient shift
38.Mrs. King is scheduled for a revision of her arteriovenous (A-V) fistula im- mediately after today's
hemodialysis treatment. Which of these interventions should occur today?: Hold heparin sodium during the hemodialysis TX
39.Mrs. King arrives for her next dialysis treatment after a holiday weekend complaining of extreme
muscle weakness and abdominal cramps. She has an irregular heartbeat and is having difficulty walking. The technician should suspect Mrs. King has: a high potassium level
40.During Mrs. King's hemodialysis treatment, she starts actively yawning. The technician
suspects she may be experiencing: hypotension
41.Hypotension. symptoms: dizziness, tachycardia (rapid pulse), restlessness, and excessive
yawning
42.Mrs. King tells the technician, "I'm considering stopping dialysis treat- ments." Which of these
responses by the technician would be most appro- priate?: "Tell me why you want to stop dialysis"
43.When doing a routine patient check, the technician notices a puddle of clear liquid underneath a
dialysis machine. After wiping it up, which of these actions, if any, should the technician take?: Notify the equipment technician
44.During a dialysis treatment, a patient suddenly develops fever and chills. The initial action that
should be taken is to determine: whether other patients are having similar symptoms
45.Which of the following actions by a technician would be a HIPAA viola- tion?: sharing a
recently transplanted patient's good news
46.Changing the composition of the dialysis solution can influence the pa- tient's: blood
electrolyte levels
47.Some technicians use one disinfectant wipe, while others use two wipes for surface cleaning.
When determining whether to use one or two wipes, the technician should be most concerned about which of the following?: sufficient wet contact time
48.A new technician is being oriented to the water treatment system. The equipment technician
explains that the purpose of the ultraviolet (UV) light is to: Change the DNA of microbes so they die or cannot multiply
49.The patient tells the technician, "The doctor told me I'm anemic. What does that mean?"
Which of these responses by the technician would be correct?: "You don't have enough red
65.Water check?: Is in the primary and secondary tank
66.Water softener checks for?: Salt
67.If your a preceptor and your student doesn't feel safe poking the PT with Hepatitis you....: You
do it and explain the safety
68.What PT's can you attend when doing PT with Hepatitis B ?: Only immune Pt's
69.Carbon tanks: 4
70.After Heprin is ignited how long before you start TX?: 3-5 minutes
71.If the blood of a positive & there is a blood leak what do you do?: Throw away the lines, No
rinse back.
72.Blood leaks alarms?: Check from the outlet dialyzer
73.To avoid anemia you must?: Rinse back as much blood back to the PT
74.If a new lady is nervous?: Explain all the steps
75.Check adequacy: POST BUN
76.What can effect a BUN result?: Eating during TX
77.If PT w/infection and using the gallon bath ex: 2201, what do you do if not all was used?: Dispose
of it
78.A man who curious about peritoneal dialysis ?: Encourage to tell the staff during his next
meeting
79.PT going to hospice?: Support service for the family
80.If a PT is falling?: Guide them to the floor
81.Pt eating peanut snacks?: Phosphorus not a diet
82.A women ask about her mom who is a PT...: We can't share that information you have to go
talk to her.
83.PT BP drops what do you do?: Lay them down, and put legs up
84.Air in the lines what is the next step you must do?: Clamp lines
85.If there is a possible clot you must?: Give Bolus to clean the clot
86. To properly collect the post BUN sample it is necessary to turn off the?: -
Ultrafiltration Rate (UF)
87.To determine the adequacy of dialysis treatment, evaluate the
laboratory: Blood Urea Nitrogen (BUN)
88.When removing needle from us, internal access, the needle safety device should be while
removing needle from patient's access: engaged
89.When it connectivity alarm occurs, the machine enters: Bypass mode
90.When teaching a patient about the prevention of hypotension during treat- ment, the nurse should
instruct the patient to measure their daily including food that at room temperature: Food intake, melt
91.The first thing you should do if a fistula needle has infiltrated is to turn off the: Blood pump
92.A rise in transmembrane pressure (TMP) during hemodialysis is likely to indicate: Clotted
fibers
93.Sharps containers MUST be replaced when they are full: 2/3 to 3/
94.Draw PRE-treatment lab samples after and before is adminis-
99 parts of water solution
107. The main brought a transmission of hepatitis B in
hemodialysis facilities is by exposure to infected and : blood, bodily fluids
108. When carrying for a Patient who is Hepatitis B positive, after disconnect- ing the
bloodlines, the technician MUST perform which three actions before documenting?: Remove gloves, sanitize hands, put on a fresh pair of gloves
109. According to the CDC, patients who are Hepatitis B surface Antigen (HBsAg) positive
should be dialyzed in a area of the dialysis center, on machine: Separate, dedicated
110. What MUST the dialysis
technician do prior to leaving the patient at the dialysis station to get clean supplies? Remove , hands and retrieve .: gloves, wash/sanitize, items
111. dialysis technician has performed a rinse back on a patient and failed to gather all the
supplies needed to disconnect the patient. What two things MUST the dialysis technician do prior to getting clean supplies?: remove gloves, wash/sanitize hands
112. You must wear a full face shield, or mask with goggles, when in an area with a risk of::
blood splatter
113. Normal saline is used to remove and
from the extracorporeal circuit: sterilant, air
114. Improperly primed dialyzer and bloodlines can increase the risk of
& in the dialyzer: air embolism, clotting
115. A low arterial alarm sound. The staff member
should look for a possible cause in the circuit from the through to the : arterial needles , blood pump
116. When a high venous alarm sounds, the staff member should look from the
top of the through the the end of the to determine the cause.: venous chamber, venous needle
117. The adequacy of a dialysis treatment may be compromised by: hepariza- tion
118. The patient presents to the dialysis center with a pulse rate of 44/min, but does not appear
to be in any distress. What should be the dialysis technicians immediate action?: Notify the RN
119. During dialysis, the patient's and must be uncovered: access, face
120. What can result from a low level arterial pressure drip chamber? entering the system?:
air
121. Is the needle infiltrates, the first thing you should do is turn off the?: pump
122. During dialysis and large clot his notice in the Venus chamber. The clini- cian should
replace the.: Venous line
123. The venous pressure on a dialysis machine begins to rise, but the Venous needle is not
infiltrated. The most likely cause is a clotted.: Venous lines
124. The condition most likely to raise the venous pressure is: venous needle occlusion
125. When it is expected that a patient has an air embolism, the
FISRT inter- vention, should be to the PT'S : clamp, bloodline
126. The major complication that kind of curve when the patient is dialyze on hypotonic
dialysate is: Hemolysis
127. hypoklemia (high potassium)
compartment this is known as: blood leak
140. The final dialysate must have a
pH between: and .: 6.9, 7.
141. how often should staff clean the dialysis machine with acid?: daily
142. When should alarm and Pressure Holding Tests (PHT) should be per- formed on
dialysis machines?: before each treatment
143. what is removed by normal saline during the priming process?: Air in the dialyzer
144. Before the start of treatment,
check that the machine's conductivity alarm parameters are set at of the machine's theoret- ical conductivity.: + or - 0.
145. You should disinfect the dialysis machine with heat after doing what?: -
after cleaning it with ACID
146. In addition to safety checks, what tests must you perform to ensure a safe patient
treatment?: meter conductivity and PH
147. Why do you compare the machine conductivity setting to the meter conductivity
results?: to make sure the machine display is accurate
148. what is the allowable variance between a meter reading and actual con- ductivity on the
machine?: +-0.3 ms/cm
149. pr
ior to applying the blood pressure cuff on a new PT, the patient care technician should both the PT's arms for the presence of an : - exam, access
150. Available weight gain is described as the pre-treatment weight minus: dry weight
151. A red and warm vascular access may be a sign of an: infection
152. Pre treatment evaluation of an internal vascular access includes palpat- ing for a :
thrill
153. what three of PPE are required when performing venipuncture?: Gloves, full face shield
or mask protecting eye wear w/side shield& full resistant gown
154. Damage to the intimal lining of the vessel is likely to occur when
the needle is after insertion.: flipped
155. where cannulating a new A-V fistula always apply a and stay at
least inches from the anastomosis: tourniquet, 1.5-2.
156. Pre-pump arterial pressure should not exceed: -250mm/Hg
long?: 30 seconds
168. After cannulating an access , you should place the tape directly over the
: butterfly wings
169. how long should you wait to initiate TX after administrating heparin bolus?: 3-
minutes
170. The three types of errors associated with a "Just Culture" are: Simple human, at risk
and reckless
171. Near misses, are sometimes referred to as because
they help diagnose a and reduce : Good catches, system problem, Patient injury
172. failure to report errors or near misses can result in: an adverse event
173. The three keys to a
culture of safety are , , and .: Commu- nication, Error learning, the right way
174. Reporting an adverse
event is a requirement that provides opportunity to identify, report and evaluated: regulatory
175. Near misses are also referred to as "good
catch" because, reporting a Near Miss can diagnoses and reduce patient : a system problem, injury
176. Failure to report or can result in an adverse event, and
an increase of patient injury: errors, near misses
177. An is defined as any time there is failure to follow established pro- cedures, TX
prescriptions, or an event tat causes PT injury or death: adverse event
178. during dialysis a patient has cardiac arrest. What action should be com- pleted on the
dialysis machine before the machine is used by another patient? Technical must perform. on the machine: functional test
179. To prepare for
disasters, such as a hurricane, or possible, flooding, staff to lock down seal and secure all in the locked : lids on sharps containers, boxes/bags, biohazard storage room
180. The purpose of maintaining a log of water quality checks is to prove has been
documented: safe water
181. Which of the following complications is most likely caused by kink in the bloodline?:
Hemolysis
182. Excessive fluid removal during dialysis, combine with a patient taking an antihypertensive
medication may result in the patient having?: Hypotension
clotting in the dialyzer
196. P.A.S.S: Pull, Aim, Squeeze, Sweep
197. AAMI (Association for the Advancement of Medical Instrumentation): Or- ganization that
sets standards for dialysis equipment, fluids, and water
198. HBcAb: Hepatitis B core antibody. (exposure)
199. HBsAb: Hepatitis B surface antibody (Immunity)
200. HBsAg: hepatitis B surface antigen (infection)
201. HBV: Hepatitis B (virus)
202. Bicarbonate: HCO-3 A buffer
203. mmHg: millimeters of mercury (pressure)
204. UF (Ultrafiltration): Removal of water in dialysis
205. UFR (Ultrafiltration rate): rate of water removal
206. UV (ultraviolet): invisible spectrum of light
207. Alum: Compound made of aluminum often added to the city water supplies to
remove sediment and make the water clearer.
208. Aluminum: A blood protein.
209. Backwashing: means forcing water backwards thru a filter, removes particles
clogging filter
210. Anemia: a deficiency of red blood cells
211. aneurysm: ballooning or bulging of a weak spot in a blood vessel.
212. carbon tank: Carbon tanks are water treament devices. They contain granular,
activated carbon that adsorbs low molecular weight particles from water. Carbon tanks are mainly used to remove chlorine, chloramines, pesticides, solvents, and some trace organic substances from water used for dialysis.
213. Capillaries: Tiny blood vessels, where oxygenated blood crosses from arteries into
veins. any of the fine branching blood vessels that form a network between the arterioles and venules.
214. Chloramine: mixture of chlorine and ammonia
215. Chloride: an electrolyte in dialysate and in the human body.
216. Chlorine: element is a greenish yellow gas that can harm the lungs if it is
inhaled.
217. concentrate: one or two sal solutions (acid and bicarbonate) that are mixed
together to form dialysate
218. concentration: solute dissolved in a measure of fluid.
219. extracorporeal: outside the body
220. extracorporeal circuit: is the arterial bloodline, dialyzer, venous bloodline, and
extracorporeal circuit monitors. it is an extension of patients blood vessels outside of the body bringing blood back from the access to the dialyzer and then back to patient.
221. Feed water: RAW tap water before it passes through a dialysis water treatment system
222. Hemeostasis: a constant internal balance of the body. a state of equilibrium or
constant state of natural balance in the internal environment of the body.
223. Hypercalcemia: too much calcium in the blood
