ATI RN
Questions On The Urinary System Questions
Question 1 of 5
Ducts of Bellini
Correct Answer: D
Rationale: Ducts of Bellini are large (200-300 μm), columnar-lined, and empty at area cribrosa all true. This fully describes papillary ducts, key for urine delivery, contrasting with partial features.
Question 2 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 3 of 5
The caudal somites migrate to give the following except:
Correct Answer: D
Rationale: Caudal somites form genital tubercle, swellings, external sphincter, and abdominal wall not internal anal sphincter (splanchnic mesoderm). This excludes visceral muscle, key for somitic roles, contrasting with included derivatives.
Question 4 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 5 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.