ATI LPN
Test Questions Renal System Questions
Question 1 of 5
The location of the kidneys in relationship to the peritoneal lining of the abdominal cavity is referred to as
Correct Answer: A
Rationale: Kidneys are retroperitoneal, behind the peritoneal cavity lining.
Question 2 of 5
What may correctly be said of the juxtaglomerular apparatus (or complex)?
Correct Answer: C
Rationale: Macula densa senses sodium and chloride as chemoreceptors.
Question 3 of 5
Which hormone causes an increase in permeability to water in the collecting ducts of the kidney?
Correct Answer: A
Rationale: ADH increases collecting duct water permeability via aquaporins.
Question 4 of 5
Complete the following sentence correctly. Atrial natriuretic peptide
Correct Answer: B
Rationale: ANP promotes sodium excretion to reduce blood volume.
Question 5 of 5
The gradient in osmotic concentration of the interstitial fluid in the medulla of the kidney is caused by:
Correct Answer: B
Rationale: Ascending limb pumps out Na+ and Cl-, creating gradient.