Functional Anatomy of the Airways
- Previous year questions on Functional Anatomy of the Airways 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.
- 15 live questions in Functional Anatomy of the Airways.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.Bronchial circulation is associated with
- AAir conditioning✓ Correct answer
- BDrug absorption
- CGaseous exchange
- DReserve volume
Q2.Pulmonary endothelium is NOT concerned with which of the following:
- ALipoprotein lipase
- BPlasminogen activator
- CThrombin
- DFactor X✓ Correct answer
Q3.Lamellar inclusion bodies are present in?
- AType I cells
- BType II cells✓ Correct answer
- CBoth of the above
- DNone of the above
Q4.All of the following statements about bronchial circulation are true, Except:
- AContribute 2% of systemic circulation
- BContribute to gaseous exchange✓ Correct answer
- CCause venous admixing of blood
- DProvide nutritive function to lung
Q5.True statement regarding the alveolar epithelial cells:
- AGas exchange occurs through the type II pneumocytes
- BLamellar inclusion bodies are seen in type I pneumocytes
- CType III pneumocytes act as chemoreceptors✓ Correct answer
- DType II and type I exist in a ratio of 2:1
Q6.Which of the following is not a metabolic function of the lung?
- ASynthesis of surfactant
- BInactivation of bradykinin
- CFormation of angiotensin II
- DInactivation of vasopressin✓ Correct answer
Q7.An important non-respiratory function of lungs is:
- AAnion balance
- BSodium balance✓ Correct answer
- CPotassium balance
- DCa2+ balance
Q8.All the following statements are true about structure of airway except
- AMaximum smooth muscle is found in respiratory bronchiole✓ Correct answer
- BCartilage is absent in terminal bronchiole
- CSecretory glands is present in bronchi
- DCiliated cuboidal epithelium is found in respiratory bronchiole
Q9.Least amount of CO2 is in:
- AAnatomical dead space -- end inspiration phase✓ Correct answer
- BAnatomical dead space -- end expiration phase
- CAlveoli -- end inspiration phase
- DAlveoli -- end expiration phase
Q10.An important non-respiratory function of Lungs:
- AAnion balance
- BSodium balance✓ Correct answer
- CPotassium balance
- DCalcium balance
Answer key
Q1: A. Air conditioning; Q2: D. Factor X; Q3: B. Type II cells; Q4: B. Contribute to gaseous exchange; Q5: C. Type III pneumocytes act as chemoreceptors; Q6: D. Inactivation of vasopressin; Q7: B. Sodium balance; Q8: A. Maximum smooth muscle is found in respiratory bronchiole; Q9: A. Anatomical dead space -- end inspiration phase; Q10: B. Sodium balance.
Other topics in Physiology
- Homeostasis and Cell Function
- Receptors and Intracellular Signalling
- Membrane Transport Mechanisms
- Resting and Action Membrane Potentials
- Body Fluid Compartments
- Blood Composition, Hemostasis and Blood Groups
- Nerve Conduction and Excitability
- Skeletal Muscle: Structure and Excitation-Contraction Coupling
- Smooth and Cardiac Muscle Mechanics
- Synaptic and Neuromuscular Transmission
- Neurotransmitters
- Sensory Receptors and Transduction
- Ascending Somatosensory Tracts
- Vision, Hearing, Taste and Smell
- Motor Control: Spinal Reflexes and Lower Motor Neurons
- Motor Control: Descending Pathways and Cortical Control
- Cerebellar and Basal Ganglia Function
- Limbic System and Hypothalamic Control
- Cortical Functions, Sleep and Memory
- Autonomic Nervous System
- Mechanics of Breathing
- Diffusion Across the Alveolar Membrane
- Oxygen and Carbon Dioxide Carriage
- Spirometry and Lung Volumes
- Respiratory Adaptation to Hypoxia, Anemia and Pressure Extremes
- Control of Ventilation
- Hemodynamics and Peripheral Vascular Function
- Regional Circulations: Coronary, Cerebral and Splanchnic
- The Cardiac Cycle and Determinants of Output
- Cardiac Electrophysiology and the ECG
- Arterial Pressure and Its Regulation
- GI Secretions and Gut Hormones
- Digestion and Nutrient Absorption
- Gut Motility and Peristalsis
- Renal Blood Flow, Filtration and Clearance
- Tubular Transport and Urinary Concentration
- Acid-Base Handling, Renal Hormones and Micturition
- Pituitary and Thyroid Function
- Endocrine Pancreas
- Adrenal Cortex and Medulla
- Calcium and Phosphate Regulation
- Male Reproductive Function
- Female Reproductive Function and the Menstrual Cycle
- Physiology of Exercise