Biology Respiration / Gaseous Exchange UHS 2024
PMDC Verified Question 1 of 34
Range of normal total lung capacity in humans is:
A
\( 8\text{-}9 \text{ liters} \)
B
\( 10\text{-}11 \text{ liters} \)
C
\( 5\text{-}6 \text{ liters} \)
D
\( 12\text{-}13 \text{ liters} \)
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: \( 5\text{-}6 \text{ liters} \)
Concept: Total Lung Capacity (TLC) encompasses every possible measurable volume within the human lung architecture.

Solution:
  • TLC is mathematically the sum of Vital Capacity (VC) and Residual Volume (RV).
  • In standard human physiology, the normal biological limit for a healthy adult's Total Lung Capacity falls strictly within the range of \( 5 \) to \( 6 \text{ liters} \).


Why other options are incorrect:
  • \( 8\text{-}13 \text{ liters} \): These volumes are massive and far exceed the anatomical limits of the human thoracic cage. Such volumes are observed only in much larger mammals.

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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