ATI RN
Urinary System Questions Questions 
            
        Question 1 of 5
Which of the followings is a feature of oncocytoma:
Correct Answer: C
Rationale: Oncocytoma (benign) features a central scar in large masses not ill-defined, hemorrhagic, or spindle cells (RCC traits). This distinguishes benign tumor, key for pathology, contrasting with malignant features.
Question 2 of 5
Which of the following statements concerning the ureters is false?
Correct Answer: D
Rationale: Ureters have transitional epithelium, three tunics, and peristalsis, but are retroperitoneal not intraperitoneal. This corrects position, vital for anatomy, contrasting with true features.
Question 3 of 5
The triangular area of the urinary bladder between the two ureters posteriorly and the urethra anteriorly is the
Correct Answer: C
Rationale: Trigone is the bladder's triangular base (ureters to urethra) not sphincters, muscle, or epithelium. This defines anatomy, vital for structure, contrasting with control/lining.
Question 4 of 5
The primary structure found within the medulla is the ________.
Correct Answer: A
Rationale: Loop of Henle dominates medulla for concentration not calyces (collecting), portal (liver), or ureter (external). This specifies medullary role, critical for osmolarity, contrasting with other structures.
Question 5 of 5
Which of these is a vasoconstrictor?
Correct Answer: D
Rationale: Angiotensin II constricts vessels not nitric oxide, natriuretic, or bradykinin (dilators). This identifies vasoconstrictor, key for BP regulation, contrasting with dilators.