What is the structural and functional unit of the kidney?

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Multiple Choice Questions on Urinary System Questions

Question 1 of 5

What is the structural and functional unit of the kidney?

Correct Answer: D

Rationale: The nephron (D) is the kidney's structural and functional unit, where urine formation occurs across its ~1 million units per kidney. The cortex (A) and medulla (B) are regions, and pyramids (C) are medullary structures, but only the nephron performs filtration, reabsorption, and secretion, making D the correct answer.

Question 2 of 5

A patient who has diabetic nephropathy asks the nurse Why am I using smaller doses of insulin than I used to? What would be the best explanation by the nurse?

Correct Answer: A

Rationale: As renal function decreases the patient needs smaller doses of insulin because the kidney normally degrades insulin.

Question 3 of 5

A nurse is preparing a patient diagnosed with benign prostatic hypertrophy (BPH) for a lower urinary tract cystoscopic examination. The nurse informs the patient that the most common temporary complication experienced after this procedure is what?

Correct Answer: A

Rationale: Urinary retention (A) is common post-cystoscopy in BPH due to edema from instrumentation. Hematuria occurs but not hemorrhage (C), perforation (B) is rare, and nausea (D) isn't typical, making A the most likely complication.

Question 4 of 5

A nurse is aware of the high incidence and prevalence of fluid volume deficit among older adults. What related health education should the nurse provide to an older adult?

Correct Answer: C

Rationale: Older adults have reduced thirst, so drinking frequently despite no thirst (C) prevents deficit. 4L (A) is excessive, other fluids (B) are fine, and salt (D) isn't advised, making C the education.

Question 5 of 5

A client with borderline personality disorder exhibits splitting behavior. The nurse understands this behavior involves:

Correct Answer: A

Rationale: Splitting involves seeing others as all good or all bad, alternating between idealization and devaluation.

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