FREE CCHT Clinical Test 1

Question 1

If a dialysis patient is very large in both stature and weight, which of the following is most likely to improve the effectiveness of hemodialysis?

Accepted Answer

Increase dialyzer size.

Answer

Increase salt restriction.

Answer

Decrease treatment time.

Answer

Change to peritoneal dialysis.

Question 2

When creating a buttonhole tract, how many consecutive cannulations are usually required before the tract is adequately formed?

Accepted Answer

8 to 10

Answer

4 to 5

Answer

5 to 8

Answer

10 to 12

Question 3

With uremia, as waste products build up in the blood, this can result in _____________.

Accepted Answer

ammonia breath

Answer

ringing in the ears

Answer

rash

Answer

abdominal pain

Question 4

Patients receiving hemodialysis should be advised to avoid salt substitutes because the substitutes often _________.

Accepted Answer

contain potassium

Answer

taste bad

Answer

cause constipation

Answer

cause nausea

Question 5

Patients with uremia develop foamy or bubbly urine because _________.

Accepted Answer

protein leaks into the urine

Answer

the kidneys remove less water

Answer

urination is less frequent

Answer

wastes combine to create a chemical reaction

Question 6

When using a slide board to transfer a patient from the dialysis chair to a wheelchair, at what angle should the slide board be placed between the two sitting surfaces?

Accepted Answer

45 degrees

Answer

30 degrees

Answer

60 degrees

Answer

90 degrees

Question 7

When the technician is teaching a patient to self-cannulate using the tandem-hand technique, the ________.

Accepted Answer

patient places the thumb and finger behind the technician's thumb and finger

Answer

patient observes and then carries out the procedure on a prosthetic training arm

Answer

technician places the first needle, and the patient places the second

Answer

technician places the thumb and finger behind the patient's thumb and finger

Question 8

A patient has a right internal jugular central venous catheter for hemodialysis, but a pressure alarm sounds during treatment indicating that the blood flow rate is lower than prescribed. On checking, the technician finds that the lines appear clear and there are no signs of kinking, bleeding, or air entering the system. The next intervention should be to __________.

Accepted Answer

lower the patient's head and ask the patient to cough

Answer

stop dialysis

Answer

flush the central venous catheter with normal saline

Answer

reverse the arterial and venous lines

Question 9

Substances that form ions (charged particles) are __________.

Accepted Answer

electrolytes

Answer

hormones

Answer

enzymes

Answer

amino acids

Question 10

Infections in buttonhole tracts are almost always caused by ___________.

Accepted Answer

improper scab removal

Answer

poor skin preparation

Answer

incorrect cannulation technique

Answer

contaminated hands