NEET Biology: Respiratory volumes Practice Questions
15 free multiple-choice questions on Respiratory volumes (Human Physiology) for NEET Biology, each with the correct answer and a step-by-step explanation. Attempt a question, then reveal the solution to check your reasoning.
Practice thousands more NEET questions in the app →Q1. Which volume represents the amount of air inhaled or exhaled during normal, quiet breathing?
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Correct answer: A — Tidal Volume
Tidal Volume (VT) is the volume of air that moves in or out of the lungs during normal, quiet breathing.
Q2. What is the maximum amount of air that can be inhaled from the end of a normal inspiration?
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Correct answer: D — Inspiratory Reserve Volume
The Inspiratory Reserve Volume (IRV) is the extra amount of air that can be inhaled beyond the normal tidal volume.
Q3. The sum of Inspiratory Reserve Volume (IRV), Expiratory Reserve Volume (ERV), and Residual Volume (RV) is known as which quantity?
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Correct answer: A — Functional Residual Capacity (FRC)
The sum of IRV + ERV + RV equals the Functional Residual Capacity (FRC). Functional Residual Capacity is the amount of air remaining in the lungs after a normal, passive expiration.
Q4. Inhalation reserve volume (IRV) represents the additional volume of air that can be inhaled above the normal resting tidal volume. Which of the following statements correctly describes the relationship between IRV and TV?
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Correct answer: D — IRV is always greater than TV
Inspiration involves both the normal tidal volume and the additional reserve volume; thus, IRV is typically greater than TV.
Q5. Which respiratory capacity measures the total volume of air that can be inspired in a single breath, including the normal tidal volume and the additional inspiratory reserve?
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Correct answer: C — Inspiratory Capacity (IC)
Inspiratory Capacity (IC) is the sum of the Tidal Volume (TV) and the Inspiratory Reserve Volume (IRV).
Q6. The volume of air that is forcibly inhaled above the resting tidal volume is known as:
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Correct answer: C — Inspiratory Reserve Volume (IRV)
Inspiratory Reserve Volume (IRV) is the additional volume of air that can be inhaled above the normal tidal volume.
Q7. The volume of air remaining in the lungs after a normal expiration is called:
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Correct answer: D — Functional Residual Capacity
Functional Residual Capacity (FRC) is the amount of air remaining in the lungs after a normal expiration.
Q8. Vital Capacity (VC) is defined as the maximum amount of air that can be inhaled and exhaled. This is calculated by adding which two respiratory volumes?
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Correct answer: A — Inspiratory Reserve Volume and Expiratory Reserve Volume
Vital Capacity is the sum of Tidal Volume, Inspiratory Reserve Volume, and Expiratory Reserve Volume (VT + IRV + ERV).
Q9. The total amount of air that can be forcibly exhaled after a maximum inspiration is known as:
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Correct answer: A — Expiratory Reserve Volume
The Expiratory Reserve Volume (ERV) is the additional amount of air that can be forcibly exhaled beyond the normal expiration.
Q10. In a resting individual, what is the approximate value of Residual Volume (RV) in normal physiological conditions?
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Correct answer: A — 3000 mL
Residual Volume (RV) is the amount of air remaining in the lungs even after a maximal forced expiration. It is typically around 3000 mL.
Q11. Which of the following terms represents the maximum amount of air that can be forcibly inhaled after a normal inspiration (Tidal Volume)?
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Correct answer: C — Inspiratory Reserve Volume
The Inspiratory Reserve Volume (IRV) is the maximum additional volume of air that can be inhaled beyond the normal inspiration (Tidal Volume).
Q12. Which of the following represents the volume of air remaining in the lungs even after a forced expiration?
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Correct answer: B — Residual Volume
Residual Volume (RV) is the volume of air that remains in the lungs after a maximal forced expiration.
Q13. Which of the following volumes represents the maximum amount of air that can be forcibly exhaled after a normal resting expiration?
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Correct answer: A — Expiratory Reserve Volume
The Expiratory Reserve Volume (ERV) is the maximum volume of air that can be forcibly exhaled after a normal expiration.
Q14. Vital Capacity (VC) is calculated by summing which two primary inspiratory/expiratory reserve volumes?
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Correct answer: D — Inspiratory Reserve Volume and Expiratory Reserve Volume
Vital Capacity (VC) is the maximum amount of air that can be exhaled after a maximum inspiration, and it is calculated as IRV + ERV.
Q15. What is the volume of air remaining in the lungs after a normal, passive expiration?
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Correct answer: C — Residual Volume
Residual Volume (RV) is the volume of air remaining in the lungs even after a maximal forced expiration.
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