Biology Homeostasis PMDC Conceptual Practice
PMDC Verified Question 63 of 99
Unfiltered systemic arterial blood enters the glomerular capillary network of a nephron through the:
A
Efferent arteriole
B
Afferent arteriole
C
Renal vein
D
Vasa recta
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Afferent arteriole
Concept: Renal microvascular architecture.

Solution: The afferent arteriole delivers blood into the high-pressure glomerular capillary bed for ultrafiltration.

Why other options are incorrect:
  • Option A: The efferent arteriole carries filtered blood away from the glomerulus.

  • Option C: The renal vein drains deoxygenated, filtered blood from the kidney back to the inferior vena cava.

  • Option D: Vasa recta are specialized capillary loops branching from efferent arterioles in the medulla.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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