ATI RN
Urinary System Multiple Choice Questions Questions
Question 1 of 5
All of the following is true about polycystic kidney disease EXCEPT:
Correct Answer: D
Rationale: Autosomal dominant (AD) PKD is common, presents 20-50, progresses to ESRF, and 50% familial not recessive (AR, childhood). This corrects genetics, key for diagnosis, contrasting with recessive misconception.
Question 2 of 5
What portion of the nephron extends into the medulla?
Correct Answer: A
Rationale: Nephron loop (loop of Henle) extends into medulla not PCT, DCT (cortex), or papillary duct (collecting). This locates medullary segment, critical for concentration, contrasting with cortical parts.
Question 3 of 5
Fibrous connective tissue that surrounds each kidney is the:
Correct Answer: D
Rationale: Renal capsule (fibrous) encases kidney not cortex, hilum (entry), medulla, or pyramids (inner). This identifies protective layer, vital for structure, contrasting with regions.
Question 4 of 5
Peristaltic contractions occur in the ________.
Correct Answer: C
Rationale: Ureters use peristalsis to move urine not urethra (voiding), bladder (detrusor), or all. This specifies transport, critical for flow, contrasting with voiding structures.
Question 5 of 5
The functional unit of the kidney is called ________.
Correct Answer: C
Rationale: Nephron is the functional unit not hilus (entry), corpuscle (part), or capsule (subset). This defines renal physiology, critical for function, contrasting with structural parts.