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CCHT REVIEW EXAM
Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -100 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: During Dialysis, ultrafiltration occurs when:
Answer:
Water is removed from blood because there is a pressure gradient between blood and dialysate.Question 2: Dialysate that has too much sodium may cause patient injury. Too much sodium or
hypernatremia can cause:
Answer:
Headaches, high BP, and shriveling of RBCs Question 3: The functional unit of the kidney, or the structure in the kidney that does the work is
the:
Answer:
nephron
Question 4: Which of the following statements about catheters is true?
Answer:
Internal jugular vein is the preferred insertion site for both temporary and long term catheters
Question 5: Your patient orders are for a 17 gauge needle. You know that
Answer:
He will only be able to attain a 250 mL/min -300 mL/min QB
Question 6: What is the purpose of priming the lines
Answer:
removes disinfectant, air, matter left in the dialyzer
Question 7: What interventions are made on a patient with a low blood pressure
Answer:
placing them in Trendelenburg, decreasing/discontinuing fluid removal, and giving saline
Question 8: What is the normal range for a heartrate
Answer:
60-100 beats per minute Question 9: A semipermeable membrane is a porous barrier that:
Answer:
Allows for only certain sized particles to cross Question 10: If a patient states they threw up blood the day before treatment the tech can expect the treatment will be modified by
Answer:
a nurse not giving heparin or lowering the dose Question 11: Dialyzer performance can be affected by reuse. Which of the following sets of potential problems may be related to reuse?
Answer:
Reduced dialyzer performance, plugged hollow fibers, changed fiber bundle volume
Question 12: When a tech suspects a clot in an access what would confirm this
Answer:
a bruit was absent Question 13: Dialysate that has too much calcium can cause:
Answer:
Vomiting, confusion and irritability
Question 14: Poor blood flow during dialysis in patients with catheters is often due to which of the following factors?
Answer:
A blood clot, poor placement of the catheter within the blood vessel, a fibrin sheath that has formed around the catheter Question 15: The leading cause of CKD for adults in the US is:
Answer:
Diabetes
Question 16: What can the tech do to minimize anemia
Answer:
rinse back as much of the patients blood back as possible (blood loss makes anemia worse) Question 17: Dialysate conductivity means:
Answer:
The total electrical charge of a solution
Question 18: What is the purpose of the UV light
Answer:
to change the DNA of microbes so they die or cannot multiply
Question 19: Dialysate that has too little sodium can cause
Answer:
Low blood pressure, cramping, and bursting of red blood cells Question 20: Which of the following statements makes the AVF as the vascular access of choice whenever possible?
Answer:
Fistulae have the lowest rates of primary failure of all known accesses
Question 21: What is steal syndrome
Answer:
When a new AV is created sometimes it steals too much blood away from the hand and sends it through the access causing decreased oxygen supply to the tissues (tingling, numbness to the hands, blue fingertips)
Question 22: Which of the following is NOT a symptom of chemical reaction due to incomplete rinsing of germicide from a reprocessed dialyzer?
Answer:
Diarrhea Question 23: A patient who is fluid overloaded will probably have which of the following sets of
symptoms: Symptoms may be mild or severe.
Answer:
Tachycardia, hypertension, dyspnea Question 24: What body mechanics is used to lift a heavy object from the ground up
Answer:
holding the object close to the body Question 25: A rapid pulse of 104 beats/min would indicate that the patient has:
Answer:
Tachycardia
Question 26: Infiltration refers to which of the following definitions?
Answer:
A needle tip that punctures a vessel and goes out the other side, allowing blood to seep into the surrounding tissues Question 27: Stenosis is a major cause of access failure which, unless corrected, can lead to thrombosis and other complications. Which of the following is a sign of stenosis?
Answer:
Changes in the thrill and bruit
Question 28: During treatment a blood leak alarm goes off whats the first step
Answer:
verify a blood leak occurred using Hemastix strip
Question 29: What is venous pressure
Answer:
the blood returning to the patient - measurement of the ECC before the blood renters the patient
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