Monday, February 2, 2009

142 - respiratory system mcqs - part 1

1q: volume of air taken into the lungs in normal respiration is known as ?

a. vital capacity
b. timed vital capacity
c. tidal volume
d. inspiratory reserve volume

answer: c . tidal volume .

2q: for diagnosis of obstructive airway disease which of the following measurement is usual ?

a. vital capacity
b. timed vital capacity
c. tidal volume
d. blood gas analysis

answer: b . timed vital capacity .

3q: in cryptogenic fibrosing alveolitis which of the following is not seen ?

a. decreased lung capacity
b. decreased diffusing capacity
c. decreased arteriolar oxygen tension
d. decreased FEV1/FVC ratio

answer: d . decreased FEV1/FVC ratio . cryptogenic means a disease of obscure or unknown origin .

4q: if FEV1 is 1.3 litres and FVC is 3.1 litres in an adult man , the pattern is suggestive of ?

a. normal lung function
b. restrictive lung disease
c. obstructive lung disease
d. none of the above

answer: c . obstructive lung disease .

5q: the hallmark of generalised obstructive lung disease is ?

a. reduced tidal volume
b. reduced residual volume
c. reduced timed vital capacity
d. reduced vital capacity

answer: c . reduced timed vital capacity .

6q: idiopathic pulmonary fibrosis , features include all except ?

a. decreased TLC
b. decreased RV
c. decreased diffusion capacity
d. decreased FEV1
e. decreased FEV1/FVC

answer: e . decreased FEV1 /FVC .

7q: nasal allergy is most often due to ?

a. pollen grains
b. animal dust
c. house dust
d. automobile dust

answer: a . pollen grains .

8q: curshmann's spirals in sputum is seen in ?

a. asthma
b. tuberculous cavity
c. bronchitis
d. bronchiectasis

answer: a . asthma .

9q: exercise induced asthma is not precipitated by ?

a. high altitude climb and exercises
b. cycling in cold water
c. swimming in hot water
d. swimming in cold water

answer: c . swimming in hot water .

10q: one of the following is not an indicator of the severity of asthma ?

a. use of accesory muscles
b. pulsus paradoxus
c. cyanosis
d. systolic hypertension

answer: d . systolic hypertension .

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