MCQ RADIOLOGY(POST ANSWERS IN COMMENTS)

1.Chest x ray features in ARDS are all except  

 a.bilateral

b.interstitial and alveolar opacities

c.involve at least three-quarters of lung field

d.pleural effusion

2. All are true regarding CT pulmonary angiography(CTPA) except

a.detect segmental and subsegmental emboli

b.equal in accuracy to pulmonary angiography

c. test of choice for the evaluation of pulmonary embolism

d.more associated risks than pulmonary angiography

 3.All of followings shows false negative finding in PET scan except

 a.carcinoid tumour

b.bronchioalveolar cell carcinoma

c.malignant lesions <1 cm

d.granulomatus lesions

4.’Buckshot calcifiaction’ involving lung and spleen is noted in

 a.histoplasmosis

b.aspergillosis

c.candidiasis

d.tuberculosis

 5.All are sign of diaphragmatic injury except

a.dependent viscera sig

b.thick crus sign

c.collar sign

d.crescent sign

 6.All are sign of hydatid cyst except

a.camalote sign

b.rising sun sign

c.air bubble sign

d.sun set sign

 7.Cardinal sign of bronchectasis on HRCT is

a.lack of tapering of bronchial lumena

b.signet ring sign

c.visualisation of bronchi within 1cm of the costal pleura

d.mucous filled dialted bronchi

 8.Iceberg lesions are noted in

a.bronchogenic carcinoma

b.carcinoid tumour

c.hamartoma

d.pulmonary AVM

 9.The Macklin effect is related to

a.production of x ray in x ray tube

b. heat producing effect of radiofrequency on tissue

c.an effect producing pneumomediastinum

d.an effect producing pleural effusion

 10.All are cause of persistent septal lines except

a.idiopathic interstitial fibrosis

b.lymphangitis carcinomatosa

c.pneumoconiosis

d.acute pulmonary enous hypertention

 11.Scimitar syndrome is characterized by all except

a.small ipsilateral lung

b.mediastinal shift away from lesion side

c.an abnormal vessel usually drainig down and enlarging towards diaphragm

d.the lung is normally connected to bronchial tree

 12.False negative PET scan of lungs is noted in all except

a.bronchoalveolar carcinoma

b.carcinoids

c.tumours<1 cm

d.adenocarcinoma

 13.Radiological feature of hyaline membrane disease is all except

 a.pleural effusion

b.maximum findings at 12-14hrs

c.fine granular pattern throughout both lungs

d.may be complete ‘white-out’

 14. 20 yrs young male presents with trichoptysis .His  chest x ray shows an anterior madiastinal mass.CT  of thorax is most likely to show

a.cystic lesion with presence of fat,fluid, teeth and calcification of wall

b.homogenous mass with uniform enhancement

c.mass with low density centre and rim enhancement

d.hyperdense soft tissue mass

15.  50 yrs old drug addict presents with fever ,dyspnoea ,nonproductive cough ,weakness and weight loss.The Patients shows decreased vital capacity ,pulmonary diffusing capacity  and arterial Po_2. X-ray finding suggestive of P.carnii pneumonia is

a. Pleural fluid with cardiomegaly

b.mediastinal lymphadenopathy

c. bilateral diffuse ,symmetrical  reticular opacities

d.honeycombing in both upper lobe

ANSWERS ON 14.11.2013 ON THIS PAGE