ATI RN
Multiple Choice Questions On Urinary System Questions
Question 1 of 5
Which of the followings is the mechanism of action of praziquantel?
Correct Answer: A
Rationale: Praziquantel disrupts schistosome membranes via Ca2+ influx not Mg2+, Na+, or K+. This specifies antiparasitic action, key for schistosomiasis treatment, contrasting with other ions.
Question 2 of 5
Juxtaglomerular cells:
Correct Answer: D
Rationale: JG cells secrete renin and are in afferent arterioles not efferent, DCT (macula densa), or glomerulus. This specifies renin source, key for RAAS, contrasting with mislocations.
Question 3 of 5
All of the following belong to the urinary system except:
Correct Answer: D
Rationale: Urethra, ureter, and bladder are urinary; prostate is reproductive not urinary. This excludes non-urinary structures, key for system scope, contrasting with excretory components.
Question 4 of 5
All of the following statements are True related to the urethra of a male except:
Correct Answer: B
Rationale: Male urethra has dual roles, bulbourethral input, three regions, and ~20 cm length, but two sphincters (internal/external) not one. This corrects anatomy, critical for continence, contrasting with true traits.
Question 5 of 5
The color of urine is determined mainly by ________.
Correct Answer: C
Rationale: Urine color stems from urobilin (RBC breakdown) not diet (minor), filtration rate, or efficiency. This identifies pigmentation source, critical for urinalysis, contrasting with external factors.