Fresenius CCHT Exam Review
questions and answers 2026\2027
Grade A+
The functional unit of the kidney, or the structure in the kidney that does the work, is the:
- correct answer nephron
A nephron is made up of:
- correct answer a glomerulus and a tubule
The endocrine functions of the kidney include:
- correct answer making erythropoietin and the active form of Vitamin D
The leading cause of ESRD in the U.S. is
- correct answer diabetes
Patients with kidney failure often complain of itching, which is likely to be caused by:
- correct answer hyperphosphatemia
Why do kidney patients often have bone disease?
- correct answer kidneys stop producing calcitriol
, Symptoms that a patient may need more dialysis time include:
- correct answer anorexia, fatigue, swelling
A semipermeable membrane is a porous barrier that:
- correct answer allows for only certain sized particles to cross
Diffusion is movement of particles:
- correct answer from an area of higher concentration to an area of lower concentration
Negative pressure is pressure created when
- correct answer fluid is pulled through a restriction
During Dialysis, ultrafiltration occurs when
- correct answer water is removed from blood because there is a pressure gradient between blood and
dialysate.
At which point in the extracorporeal circuit is the blood usually under negative pressure?
- correct answer the arterial line section before the blood pump
Which of the following will increase the amount of solutes that will diffuse across the semipermeable
membrane?
- correct answer high concentration gradients
. The components of the dialysate treatment that affect clearance include
- correct answer dialysate flow, time of treatment, dialyzer size, blood flow rate
Two things that affect the dialyzer's ability to remove wastes from the body include
- correct answer surface area and molecular weight cutoff
Dialysate is the fluid that helps remove waste products from the body. It contains a number of
substances. What substances might be prescribed for a dialysate solution?
- correct answer bicarbonate, sodium, potassium
questions and answers 2026\2027
Grade A+
The functional unit of the kidney, or the structure in the kidney that does the work, is the:
- correct answer nephron
A nephron is made up of:
- correct answer a glomerulus and a tubule
The endocrine functions of the kidney include:
- correct answer making erythropoietin and the active form of Vitamin D
The leading cause of ESRD in the U.S. is
- correct answer diabetes
Patients with kidney failure often complain of itching, which is likely to be caused by:
- correct answer hyperphosphatemia
Why do kidney patients often have bone disease?
- correct answer kidneys stop producing calcitriol
, Symptoms that a patient may need more dialysis time include:
- correct answer anorexia, fatigue, swelling
A semipermeable membrane is a porous barrier that:
- correct answer allows for only certain sized particles to cross
Diffusion is movement of particles:
- correct answer from an area of higher concentration to an area of lower concentration
Negative pressure is pressure created when
- correct answer fluid is pulled through a restriction
During Dialysis, ultrafiltration occurs when
- correct answer water is removed from blood because there is a pressure gradient between blood and
dialysate.
At which point in the extracorporeal circuit is the blood usually under negative pressure?
- correct answer the arterial line section before the blood pump
Which of the following will increase the amount of solutes that will diffuse across the semipermeable
membrane?
- correct answer high concentration gradients
. The components of the dialysate treatment that affect clearance include
- correct answer dialysate flow, time of treatment, dialyzer size, blood flow rate
Two things that affect the dialyzer's ability to remove wastes from the body include
- correct answer surface area and molecular weight cutoff
Dialysate is the fluid that helps remove waste products from the body. It contains a number of
substances. What substances might be prescribed for a dialysate solution?
- correct answer bicarbonate, sodium, potassium
