145 - respiratory system mcqs - part 4

31q: a patient with spontaneous pneumothorax involving more than 50 % of the hemithorax is best treated with ?

a. needle aspiration
b. closed drainage by tube in underwater seal
c. let spontaneous remission occur
d. open thoracotomy

answer: b . closed drainage by tube in underwater seal .

32q: hamman's crunch is seen in ?

a. caries tooth
b. fracture mandible
c. mediastinal emphysema
d. niemann-pick's disease

answer: c . mediastinal emphysema.

33q: the organism most frequently related to mediastinal fibrosis ?

a. actinomyces
b. histoplasma
c. hansen bacillus
d. staphylococcus

answer: b . histoplasma .

34q: hypercapnea at rest is most indicative of ?

a. hypoventilation
b. right to left shunt
c. impaired diffusion
d. CO poisoning

answer: a . hypoventilation .

35q: about systemic inflammatory response syndrome ( SIRS ) all are true except ?

a. leukopenia
b. hyperthermia
c. hypoxia
d. tachycardia

answer: c . hypoxia .

36q: lung abscesses are least likely to be caused by ?

a. histoplasma
b. staphylococcus
c. metastatic malignancy
d. primary carcinoma

answer: c . metastatic malignancy .

37q: primary disease causing raised PCO2 manifests as ?

a. respiratory acidosis
b. respiratory alkalosis
c. metabolic acidosis
d. metabolic alkalosis

answer: a . respiratory acidosis .

38q: the following are CNS findings of CO2 narcosis except ?

a. excitement
b. increased pH of CSF
c. decreased pH of CSF
d. papilloedema

answer: b . acidosis results due to CO2 narcosis therefore decreasing the pH .

39q: respiratory acidosis is seen with ?

a. DKA
b. pneumonia
c. emphysema
d. phenytoin

answer: c . emphysema .

40q: respiratory acidosis is seen with ?

a. starvation
b. hyperventilation
c. muscular dystrophy
d. vomiting

answer: c . muscular dystrophy .

144 - respiratory system mcqs - part 3

21q: which of the following is not a feature of kartagener's syndrome ?

a. bronchiectasis

b. pancreatic insufficiency

c. sinusitis

d. situs inversus 

answer: b . pancreatic insufficiency .

22q: complication of bronchiectasis are all except ?

a. cerebral abscess

b. lung abscess

c. amyloidosis

d. bronchogenic carcinoma 

answer: d . bronchogenic carcinoma is not a complication of bronchiectasis.

23q: what is the histological landmark of langerhan's cells ?

a. dendritic cell processes

b. giant mitochondria 

c. birbeck granules

d. increased serum alkaline phosphatase

answer: c . birbeck granules .

24q: pulmonary embolism causes all except ?

a. bradycardia

b. decreased cardiac output

c. arterial hypoxemia 

d. acute right ventricular strain 

answer: a . bradycardia .

25q: in acute pulmonary embolism, the most frequent ECG finding is?

a. S1Q3T3 pattern

b. P. pulmonale

c. sinus tachycardia 

d. right axis deviation 

answer: c . sinus tachycardia .

26q: which of the following is characteristic of pulmonary embolism ?

a. respiratory alkalosis

b. right axis deviatioin

c. normal A-a gradient

d. left ventricular strain 

answer: b . right axis deviation .

27q: pleural fluid low in glucose is seen in all except ?

a. rheumatoid arthritis

b. tuberculosis

c. mesothelioma

d. empyema

answer: b. tuberculosis .

28q: cause of hemorrhagic pleural effusion are all except ?

a. pulmonary infarction

b. mesothelioma

c. bronchial adenoma

d. tuberculosis 

answer: c . bronchial adenoma .

29q: all of the following are causes of hemorrhagic pleural effusion except ?

a. pulmonary embolism

b. rheumatoid arthritis

c. pancreatitis

d. TB

answer: c . pancreatitis .

30q: most unlikely cause of pleural effusion is ?

a. thyroid tumors

b. bronchial carcinoma

c. carcinoma breast

d. lymphoma

answer: a . thyroid tumors .