Human Anatomy and Physiology AFCAT Questions

AFCAT Biology

Human Anatomy and Physiology MCQ Questions


13.
The volume of air that remains in the lungs even after a forcible expiration is called:
A.
Inspiratory Reserve Volume
B.
Vital Capacity
C.
Tidal Volume
D.
Residual Volume (RV)
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ANSWER :
D. Residual Volume (RV)
14.
Vital Capacity (VC) of the lungs equals:
A.
TV + IRV only
B.
TV + RV
C.
RV + ERV
D.
IRV + TV + ERV
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ANSWER :
D. IRV + TV + ERV
15.
Total Lung Capacity (TLC) is given by:
A.
ERV + RV
B.
TV + ERV
C.
Vital Capacity + Residual Volume (RV + ERV + TV + IRV)
D.
TV + IRV
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ANSWER :
C. Vital Capacity + Residual Volume (RV + ERV + TV + IRV)
16.
Functional Residual Capacity (FRC) is the sum of:
A.
IRV + ERV
B.
TV + ERV
C.
ERV + RV
D.
TV + IRV
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ANSWER :
C. ERV + RV
17.
The instrument used to measure respiratory volumes and assess pulmonary function is the:
A.
Stethoscope
B.
Sphygmomanometer
C.
Spirometer
D.
Spectrometer
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ANSWER :
C. Spirometer
18.
The partial pressure of oxygen (pOâ‚‚) in the alveolar air is approximately:
A.
95 mm Hg
B.
159 mm Hg
C.
104 mm Hg
D.
40 mm Hg
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ANSWER :
C. 104 mm Hg