ATI RN
Questions About The Urinary System Questions
Question 1 of 5
The function of collecting tubules
Correct Answer: B
Rationale: Collecting tubules reabsorb ~9% water (ADH-dependent) not K+ (DCT), 80% (PCT), or Na+ (earlier). This specifies water role, key for concentration, contrasting with earlier reabsorption.
Question 2 of 5
Structure typically seen at the border between the renal cortex and medulla include:
Correct Answer: D
Rationale: Arcuate arteries/veins mark cortex-medulla border not vasa recta (medulla), stellate (cortex), peritubular (cortex), or interlobular (cortex). This repeats Q32, key for circulation, contrasting with other locations.
Question 3 of 5
The lateral end of the pronephric tubules opens in:
Correct Answer: D
Rationale: Lateral ends of pronephric tubules connect to the intraembryonic coelomic cavity not amniotic, yolk sac, extraembryonic coelom, or duct (medial). This reflects their nephrotome origin, key for early filtration, contrasting with medial drainage or external spaces.
Question 4 of 5
The polycystic kidney is due to failure of communication between:
Correct Answer: C
Rationale: Polycystic kidney results from failed DCT-collecting tubule fusion not PCT-DCT, Bowman's-PCT, or calyceal issues; cysts form at this junction. This pinpoints defect, critical for pathology, contrasting with other nephron stages.
Question 5 of 5
The urachus extends between:
Correct Answer: C
Rationale: Urachus (allantois remnant) connects umbilicus to bladder apex not neck, base, or penis; 'abus' likely OCR error for apex. This defines urachal path, critical for anomalies, contrasting with misplacements.