DAVITA CCHT PRACTICE EXAM WITH
CORRECT ANSWERS
1. The functional unit of the kidney, or the structure in the kidney that does the work, is the:
a. Calyx
b. Cortex
c. Medulla
d. Nephron - CORRECT ANSWER -d
2. The leading cause of chronic kidney disease for adults in the United States:
a. Diabetes
b. Glomerulonephritis
c. Hypertension
d. Urinary obstruction - CORRECT ANSWER -a
3. A nephron is made up of:
a. A glomerulus and a tubule system
b. The bladder and the ureters
c. The cortex and a capsule
d. The loop of Henle and the capillary ball - CORRECT ANSWER -a
4. Which of the following is NOT a symptom of uremia?
a. Elevated hematocrit
b. Decreased ability to concentrate
c. Itching
d. Lack of appetite - CORRECT ANSWER -a
,5. Mrs. Smith's dry weight is 62 kg. Her pretreatment weight when she came in for treatment on
Monday was 67 kg. The priming saline amount is 240 mL, the rinseback amount is 200 mL, fluid
from medications is 100 mL, and she is not allowed any fluids during treatment. What is the tot
al amount of fluid weight to be removed during her treatment?
a. 5,000 mL
b. 5,230 mL
c. 5,540 mL
d. 5,820 mL - CORRECT ANSWER -c
6. Based on Mrs. Smith's total amount of fluid to be removed, what is the ultrafiltration rate per
hour (mL/hr) for her 4-hour treatment?
a. 1,220 mL/hr
b. 1,385 mL/hr
c. 1,440 mL/hr
d. 1,500 mL/hr - CORRECT ANSWER -b
7. Which of the following is a cause of hypotension during and after dialysis treatments?
a. Over the counter cold medicine
b. Patient forgetting to take their blood pressure pills
c. Removing too much fluid
d. Uremia - CORRECT ANSWER -c
8. The scale says a patient weights 70 kg. This is the same as weighing how many pounds (lb)?
a. 125
b. 144
c. 154
d. 168 - CORRECT ANSWER -c
,9. Normal body pH is
a. 7.0 - 7.25.
b. 7.25 - 7.35.
c. 7.35 - 7.45.
d. 7.45 - 7.55. - CORRECT ANSWER -c
10. One sign and symptom of fluid overload is
a. anemia.
b. hyperparathyroidism.
c. hypertension.
d. skin turgor. - CORRECT ANSWER -c
11. Abnormal levels of this electrolyte can cause cardiac arrhythmias and even death.
a. Bicarbonate
b. Chloride
c. Potassium
d. Sodium - CORRECT ANSWER -c
12. Water moves across a membrane from an area of lower solute concentration to an area of h
igher solute concentration by which principle
a. Diffusion.
b. Filtration.
c. Osmosis.
d. Ultrafiltration. - CORRECT ANSWER -c
, 13. Waste products are removed during dialysis by which principle
a. Diffusion.
b. Filtration.
c. Osmosis.
d. Ultrafiltration. - CORRECT ANSWER -a
14. Excess fluid is forced out of the blood and into the dialysate during dialysis by which principl
e
a. Diffusion.
b. Filtration.
c. Osmosis.
d. Ultrafiltration. - CORRECT ANSWER -d
15. The movement of fluid from the tissues toward a higher concentration of sodium in the bloo
d is an example of
a. Diffusion.
b. Filtration.
c. Osmosis.
d. Ultrafiltration. - CORRECT ANSWER -c
16. Decreasing the patient's prescribed blood flow rate affects the rate of
a. Diffusion.
b. Filtration.
c. Osmosis.
d. Ultrafiltration. - CORRECT ANSWER -a
17. Which of the following actions would increase diffusion during dialysis?
CORRECT ANSWERS
1. The functional unit of the kidney, or the structure in the kidney that does the work, is the:
a. Calyx
b. Cortex
c. Medulla
d. Nephron - CORRECT ANSWER -d
2. The leading cause of chronic kidney disease for adults in the United States:
a. Diabetes
b. Glomerulonephritis
c. Hypertension
d. Urinary obstruction - CORRECT ANSWER -a
3. A nephron is made up of:
a. A glomerulus and a tubule system
b. The bladder and the ureters
c. The cortex and a capsule
d. The loop of Henle and the capillary ball - CORRECT ANSWER -a
4. Which of the following is NOT a symptom of uremia?
a. Elevated hematocrit
b. Decreased ability to concentrate
c. Itching
d. Lack of appetite - CORRECT ANSWER -a
,5. Mrs. Smith's dry weight is 62 kg. Her pretreatment weight when she came in for treatment on
Monday was 67 kg. The priming saline amount is 240 mL, the rinseback amount is 200 mL, fluid
from medications is 100 mL, and she is not allowed any fluids during treatment. What is the tot
al amount of fluid weight to be removed during her treatment?
a. 5,000 mL
b. 5,230 mL
c. 5,540 mL
d. 5,820 mL - CORRECT ANSWER -c
6. Based on Mrs. Smith's total amount of fluid to be removed, what is the ultrafiltration rate per
hour (mL/hr) for her 4-hour treatment?
a. 1,220 mL/hr
b. 1,385 mL/hr
c. 1,440 mL/hr
d. 1,500 mL/hr - CORRECT ANSWER -b
7. Which of the following is a cause of hypotension during and after dialysis treatments?
a. Over the counter cold medicine
b. Patient forgetting to take their blood pressure pills
c. Removing too much fluid
d. Uremia - CORRECT ANSWER -c
8. The scale says a patient weights 70 kg. This is the same as weighing how many pounds (lb)?
a. 125
b. 144
c. 154
d. 168 - CORRECT ANSWER -c
,9. Normal body pH is
a. 7.0 - 7.25.
b. 7.25 - 7.35.
c. 7.35 - 7.45.
d. 7.45 - 7.55. - CORRECT ANSWER -c
10. One sign and symptom of fluid overload is
a. anemia.
b. hyperparathyroidism.
c. hypertension.
d. skin turgor. - CORRECT ANSWER -c
11. Abnormal levels of this electrolyte can cause cardiac arrhythmias and even death.
a. Bicarbonate
b. Chloride
c. Potassium
d. Sodium - CORRECT ANSWER -c
12. Water moves across a membrane from an area of lower solute concentration to an area of h
igher solute concentration by which principle
a. Diffusion.
b. Filtration.
c. Osmosis.
d. Ultrafiltration. - CORRECT ANSWER -c
, 13. Waste products are removed during dialysis by which principle
a. Diffusion.
b. Filtration.
c. Osmosis.
d. Ultrafiltration. - CORRECT ANSWER -a
14. Excess fluid is forced out of the blood and into the dialysate during dialysis by which principl
e
a. Diffusion.
b. Filtration.
c. Osmosis.
d. Ultrafiltration. - CORRECT ANSWER -d
15. The movement of fluid from the tissues toward a higher concentration of sodium in the bloo
d is an example of
a. Diffusion.
b. Filtration.
c. Osmosis.
d. Ultrafiltration. - CORRECT ANSWER -c
16. Decreasing the patient's prescribed blood flow rate affects the rate of
a. Diffusion.
b. Filtration.
c. Osmosis.
d. Ultrafiltration. - CORRECT ANSWER -a
17. Which of the following actions would increase diffusion during dialysis?
