Spirometry and Lung Volumes
- Previous year questions on Spirometry and Lung Volumes for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Physiology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 12 live questions in Spirometry and Lung Volumes.
- 3 of 12 questions carry a verified exam year: 2018, 2019.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 19 Aug 2026.
Q1.vital capacity of 45 yr old male patient is 4000ml , with IRV = 500ml , ERV = 500ml with respiratory rate of 22/min, calculate minute ventilation of the patient ?
- A66✓ Correct answer
- B120
- C33
- D100
Q2.Functional residual capacity represents the volume of air remaining in lungs
- AAfter forceful expiration
- BAfter forceful inspiration
- CAfter normal inspiration
- DAfter normal expiration✓ Correct answer
Q3.Formula to calculate minute ventilation volume
- ATV x RR✓ Correct answer
- BFio2/PEEP
- CTV x (RR-dead space)
- DTV + (RR-dead space)
Q4.What is FRC?
- AVolume present in lungs after normal expiration✓ Correct answer
- BVolume present in lungs after forceful expiration
- CVolume present in lungs after deep inspiration
- DVolume present in lungs after normal inspiration
Q5.Total lung capacity depend on
- ASize of airway
- BClosing tidal volume
- CLung compliance✓ Correct answer
- DResidual volume
Q6.Anatomical dead space measured by -
- ABohler's method
- BXenon dilution technique
- CSpirometry
- DSingle breath nitrogen test✓ Correct answer
Q7.Which of the following methods is used for calculation of anatomical dead space?
- AXenon dilution technique
- BBohler's method
- CSpirometry
- DSingle breath nitrogen test✓ Correct answer
Q8.Dead space is increased by all except
- AAnticholinergic drugs
- BStanding
- CHyperextention of Neck
- DEndotracheal intubation✓ Correct answer
Q9.Regarding the peak expiratory flow rate, all are true except
- AIn normal adults is often more than 500L/min
- BCan be measured by a pneumotachograph
- CIncreases with age✓ Correct answer
- DCan be measured by the wright’s peak flow meter
Q10.Maximum vital capacity decreased in
- AProne
- BSupine
- CTrendelenberg✓ Correct answer
- DLeft lateral
Answer key
Q1: A. 66; Q2: D. After normal expiration; Q3: A. TV x RR; Q4: A. Volume present in lungs after normal expiration; Q5: C. Lung compliance; Q6: D. Single breath nitrogen test; Q7: D. Single breath nitrogen test; Q8: D. Endotracheal intubation; Q9: C. Increases with age; Q10: C. Trendelenberg.
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