ATI RN
Questions On The Urinary System Questions
Question 1 of 5
The mesonephric tubules in male gives:
Correct Answer: A
Rationale: In males, mesonephric tubules form vasa efferentia (testis to epididymis) not epididymis duct, vas deferens, ejaculatory duct (from mesonephric duct), or all. This specifies tubule fate, key for reproductive anatomy, contrasting with duct derivatives.
Question 2 of 5
The definitive urogenital sinus in male gives rise to:
Correct Answer: D
Rationale: Definitive urogenital sinus forms lower prostatic, membranous, and most spongy urethra not just membranous/spongy; 'all' is correct. This specifies sinus role, key for male urethra, contrasting with limited parts.
Question 3 of 5
When the oxygen content of the blood decreases, the kidneys will release
Correct Answer: A
Rationale: Low blood oxygen triggers erythropoietin release stimulates RBC production (e.g., peritubular cells). Renin responds to pressure not oxygen. Angiotensin is RAAS product not kidney-released. Calcitriol is vitamin D not oxygen-linked. Erythropoietin's hypoxia response distinguishes it, key to oxygenation, unlike pressure or mineral roles.
Question 4 of 5
As the male urethra leaves the urinary bladder, it is surrounded by the:
Correct Answer: C
Rationale: The prostate gland surrounds the male urethra at bladder exit prostatic urethra (e.g., ~20 cm total). Adrenals are kidney-top not urethra. Bulbourethral glands are distal penile urethra. Hilum is kidney not bladder. Prostate's position distinguishes it, key to male anatomy, unlike other glands or sites.
Question 5 of 5
Where does tubular reabsorption primarily occur?
Correct Answer: D
Rationale: Tubular reabsorption primarily occurs in the PCT ~65-70% of filtrate (e.g., Na , water, glucose). Collecting duct adjusts less volume. Distal tubule fine-tunes smaller role. Capsule filters not reabsorbs. PCT's dominance distinguishes it, critical for bulk reclamation, unlike later or filtration sites.