Biology Circulation / Transport NUMS 2023
PMDC Verified Question 16 of 54
The heart chamber from where Aorta originates:
A
Left ventricle
B
Right ventricle
C
Left atrium
D
Right atrium
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Left ventricle
Concept:

The aorta is the main trunk of the systemic arterial system.

Formula:

None

Solution:

  • The systemic circuit requires immense pressure to push blood through the entire body.


  • The left ventricle has the thickest muscular wall in order to generate this high pressure.


  • When the left ventricle contracts, it ejects oxygenated blood upward through the aortic semilunar valve directly into the aorta.


Why other options are incorrect:

  • Right ventricle: Pumps blood into the pulmonary trunk (to the lungs).


  • Atria: Receiving chambers only; they do not pump into major arterial trunks.

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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