Biology Support & Movement KMU 2024
PMDC Verified Question 8 of 75
Which of the following does NOT relate to smooth muscles?
A
Controlled by the autonomic nervous system
B
Have spindle shaped cells
C
Line the wall of heart
D
Lack striations
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Line the wall of heart
Concept:

Anatomical placement of muscle tissue types.

Formula:

N/A (Conceptual)

Solution:

  • Smooth muscles are spindle-shaped, unstriated, and involuntarily controlled by the autonomic nervous system.


  • However, smooth muscle does NOT line the walls of the heart. The muscular layer of the heart (the myocardium) is composed exclusively of specialized cardiac muscle tissue, which is structurally distinct and highly adapted for relentless, autonomous rhythmic pumping.


Why other options are incorrect:

Options A, B, and D are perfectly accurate, defining physiological characteristics of smooth muscle.

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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