1) A patient is asked to take a maximum inspiration and then forcefully expire maximally. The expired volume is equal to
a) Vital capacity
b) Residual volume
c) Total lung capacity
d) Forced vital capacity
e) Peak expiratory flow
2) Bronchodialation is mediated by
a) Muscarinic receptors
b) β1 receptors
c) β2 receptors
d) α1 receptors
e) VIP
3) About 78% of change of intrathoracic volume in quiet inspiration attributes to contraction of
a) Diaphragm
b) External intercostal muscles
c) Internal intercostal muscles
d) Abdominal muscles
e) Strenomastoid muscle
4) A man has a respiratory rate of 30 /min. his tidal volume is 200ml. his pulmonary ventilation is 6L. His dead space volume is 150ml. which of the following is closest to his alveolar ventilation?
a) 6000ml
b) 3000ml
c) 4500ml
d) 1500ml
e) 1200ml
5) The diffusing capacity of the lung increases during exercise. The best reason for this is
a) Increase in the number of active capillaries
b) Muscles need more oxygen
c) Some alveoli may not be ventilated
d) Oxygen demand is high
e) CO2 is elevated in blood
6) Blood pressure of the pulmonary capillaries
a) 30mmHg
b) 25 mmHg
c) 10 mmHg
d) 10cmH2O
e) 35 mmHg
7) Which of the following best represent FEV1/FVC in restrictive lung disease
a) 90%
b) 70%
c) 60%
d) 40%
e) 30%
8) In which of the following lesion is touch least affected
a) Peripheral nerve
b) Dorsal column
c) Spinothalamic tract
d) Dorsal root
e) Spinocerebellar tract
9) Which of the following are blocked earliest by local anesthetics
a) Vibration sensation
b) Position sensation
c) Pricking pain
d) Dull pain
e) Fine touch
10) A patient was diagnosed as having a cerebellar lesion on the right side. Which of the following support the diagnosis
a) Hypotonia on the left side
b) Dismetria on the right side
c) Ataxia on the left side
d) Static tremor of the right hand
e) Exaggerated knee jerk of the right leg