DAVITA CCHT PRACTICE EXAM

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 - 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 - 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 - 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 - 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 total 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 - 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 - 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 - 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 - 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. - ANSWER-c 10. One sign and symptom of fluid overload is a. anemia. b. hyperparathyroidism. c. hypertension. d. skin turgor. - ANSWER-c 11. Abnormal levels of this electrolyte can cause cardiac arrhythmias and even death. a. Bicarbonate b. Chloride c. Potassium d. Sodium - ANSWER-c 12. Water moves across a membrane from an area of lower solute concentration to an area of higher solute concentration by which principle a. Diffusion. b. Filtration. c. Osmosis. d. Ultrafiltration. - ANSWER-c 13. Waste products are removed during dialysis by which principle a. Diffusion. b. Filtration. c. Osmosis. d. Ultrafiltration. - ANSWER-a 14. Excess fluid is forced out of the blood and into the dialysate during dialysis by which principle