2026 DAVITA CCHT PRACTICE EXAM
QUESTIONS 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 fr
om medications is 100 mL, and she is not allowed any fluids during treatment. What is the total a
mount 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 h
our (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 aſter dialysis treatments?
a. Over the counter cold medicine
b. Patient forgetting to take their blood pressure pills
c. Removing toovmuchvfluid
d.vUremiav-vCORRECTvANSWERv-c
8.vThevscalevsaysvavpatientvweightsv70vkg.vThisvisvthevsamevasvweighingvhowvmanyvpoundsv(lb
)?
a.v125
b.v144
c.v154
d.v168v-vCORRECTvANSWERv-c
,v
9.vNormalvbodyvpHvis
a.v7.0v-v7.25.
b.v7.25v-v7.35.
c.v7.35v-v7.45.
d.v7.45v-v7.55.v-vCORRECTvANSWERv-c
10.vOnevsignvandvsymptomvofvfluidvoverloadvis
a.vanemia.
b.vhyperparathyroidism.
c.vhypertension.
d.vskinvturgor.v-vCORRECTvANSWERv-c
11.vAbnormalvlevelsvofvthisvelectrolytevcanvcausevcardiacvarrhythmiasvandvevenvdeath
.
a.vBicarbonate
b.vChloride
c.vPotassium
d.vSodiumv-vCORRECTvANSWERv-c
12.vWatervmovesvacrossvavmembranevfromvanvareavofvlowervsolutevconcentrationvtovanvareavofvhi
g vsolutevconcentrationvbyvwhichvprinciple
her
a.vDiffusion.
b.vFiltration.
c.vOsmosis.
d.vUltrafiltration.v-vCORRECTvANSWERv-c
,v
13.vWastevproductsvarevremovedvduringvdialysisvbyvwhichvprinciple
a.vDiffusion.
b.vFiltration.
c.vOsmosis.
d.vUltrafiltration.v-vCORRECTvANSWERv-a
14.vExcessvfluidvisvforcedvoutvofvthevbloodvandvintovthevdialysatevduringvdialysisvbyvwhichvprincipl
e
a.vDiffusion.
b.vFiltration.
c.vOsmosis.
d.vUltrafiltration.v-vCORRECTvANSWERv-d
15.vThevmovementvofvfluidvfromvthevtissuesvtowardvavhighervconcentrationvofvsodiumvinvthevbloo
isdvanvexamplevof
a.vDiffusion.
b.vFiltration.
c.vOsmosis.
d.vUltrafiltration.v-vCORRECTvANSWERv-c
16.vDecreasingvthevpatient'svprescribedvbloodvflowvratevaffectsvthevratevof
a.vDiffusion.
b.vFiltration.
c.vOsmosis.
d.vUltrafiltration.v-vCORRECTvANSWERv-a
17.vWhichvofvthevfollowingvactionsvwouldvincreasevdiffusionvduringvdialysis?
QUESTIONS 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 fr
om medications is 100 mL, and she is not allowed any fluids during treatment. What is the total a
mount 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 h
our (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 aſter dialysis treatments?
a. Over the counter cold medicine
b. Patient forgetting to take their blood pressure pills
c. Removing toovmuchvfluid
d.vUremiav-vCORRECTvANSWERv-c
8.vThevscalevsaysvavpatientvweightsv70vkg.vThisvisvthevsamevasvweighingvhowvmanyvpoundsv(lb
)?
a.v125
b.v144
c.v154
d.v168v-vCORRECTvANSWERv-c
,v
9.vNormalvbodyvpHvis
a.v7.0v-v7.25.
b.v7.25v-v7.35.
c.v7.35v-v7.45.
d.v7.45v-v7.55.v-vCORRECTvANSWERv-c
10.vOnevsignvandvsymptomvofvfluidvoverloadvis
a.vanemia.
b.vhyperparathyroidism.
c.vhypertension.
d.vskinvturgor.v-vCORRECTvANSWERv-c
11.vAbnormalvlevelsvofvthisvelectrolytevcanvcausevcardiacvarrhythmiasvandvevenvdeath
.
a.vBicarbonate
b.vChloride
c.vPotassium
d.vSodiumv-vCORRECTvANSWERv-c
12.vWatervmovesvacrossvavmembranevfromvanvareavofvlowervsolutevconcentrationvtovanvareavofvhi
g vsolutevconcentrationvbyvwhichvprinciple
her
a.vDiffusion.
b.vFiltration.
c.vOsmosis.
d.vUltrafiltration.v-vCORRECTvANSWERv-c
,v
13.vWastevproductsvarevremovedvduringvdialysisvbyvwhichvprinciple
a.vDiffusion.
b.vFiltration.
c.vOsmosis.
d.vUltrafiltration.v-vCORRECTvANSWERv-a
14.vExcessvfluidvisvforcedvoutvofvthevbloodvandvintovthevdialysatevduringvdialysisvbyvwhichvprincipl
e
a.vDiffusion.
b.vFiltration.
c.vOsmosis.
d.vUltrafiltration.v-vCORRECTvANSWERv-d
15.vThevmovementvofvfluidvfromvthevtissuesvtowardvavhighervconcentrationvofvsodiumvinvthevbloo
isdvanvexamplevof
a.vDiffusion.
b.vFiltration.
c.vOsmosis.
d.vUltrafiltration.v-vCORRECTvANSWERv-c
16.vDecreasingvthevpatient'svprescribedvbloodvflowvratevaffectsvthevratevof
a.vDiffusion.
b.vFiltration.
c.vOsmosis.
d.vUltrafiltration.v-vCORRECTvANSWERv-a
17.vWhichvofvthevfollowingvactionsvwouldvincreasevdiffusionvduringvdialysis?
