ATI RN
Urinary System Test Questions And Answers Questions
Question 1 of 5
Production of urine to modify plasma makeup is the result of ________.
Correct Answer: D
Rationale: Urine forms via filtration, reabsorption (absorption), and secretion all apply. This encompasses urine production, critical for homeostasis, contrasting with single processes.
Question 2 of 5
The middle layer of the urinary bladder is identified as ___________.
Correct Answer: B
Rationale: Bladder's middle layer is submucosa (connective) not mucosa (inner), muscularis (outer), or sphincter (none). This defines histology, critical for structure, contrasting with other layers.
Question 3 of 5
The one of the functions occurring at the distal convoluted tubule in the kidney is?
Correct Answer: C
Rationale: DCT reabsorbs water (ADH-dependent) not passive H+/K+ secretion (active), or no Na+ (reabsorbed). This specifies fine-tuning, critical for balance, contrasting with secretion myths.
Question 4 of 5
This pressure facilitates filtration while urine is being formed
Correct Answer: C
Rationale: Capillary hydrostatic pressure (~60 mmHg) drives filtration not filtrate (opposes), osmotic (retains), or all. This identifies filtration force, key for GFR, contrasting with opposing pressures.
Question 5 of 5
Where is the Macula Densa located and what is its function?
Correct Answer: B
Rationale: The macula densa resides in the distal tubule within the juxtaglomerular apparatus chemoreceptors/osmoreceptors detect NaCl and osmolarity shifts, signaling renin release by juxtaglomerular cells (e.g., low NaCl triggers). The proximal tubule reabsorbs lacks this role. The Loop of Henle concentrates no renin link. The glomerulus filters unrelated. Its distal location and regulatory function distinguish it, key to tubuloglomerular feedback and blood pressure control, unlike proximal, loop, or filtration sites.