Choking is seen in?
a. Revolver
b. Pistol
c. Shotgun
d. Sports rifle
Correct answer : c. Shotgun
In firearms, a choke is a tapered constriction of the gun barrel’s bore at the muzzle end, almost always used with shotguns. The purpose is to decrease the spread of the shot in order to gain better range and accuracy.
Ref: http://en.wikipedia.org/wiki/Choke_(firearms)

Bracket calcification is seen in?
a. Meningioma
b. Sturge Weber syndrome
c. Tuberous sclerosis
d. Lipoma of corpus callosum
Correct answer : d. Lipoma of corpus callosum
The bracket sign refers to a radiographic appearance seen with the tubulonodular variety of pericallosal lipoma. It reflects calcification seen at the periphery of the midline lipoma. It is best seen on coronal imaging, and historically was identified on frontal radiographs.
Ref: http://radiopaedia.org/articles/bracket-sign
Tramline calcification is a feature of Sturge-Weber syndrome, and describes the pattern of calcification seen on skull radiology.
www.gpnotebook.co.uk/simplepage.cfm?ID=-1227882448
Sturge weber syndrome: CT scans show the tramline gyriform calcification of …

Gallow’s traction is used for ?
a) Fracture shaft of femur
b) Fracture neck of femur
c) Fracture humerus
d) Fracture tibia
(Repeat AIIMS Nov 2010)
Correct answer : a) Fracture shaft of femur
Gallow’s traction is used in infants and children with femoral fractures.
Indications Gallows Traction

Child must weigh less than 12 kg
Femoral fractures
Skin must be intact

Ref: http://www0.sun.ac.za/ortho/webct-ortho/general/trac/trac-2.html

Diseases which result in Charcot’s joint (neuropathic joint) are:

Diabetes mellitus
Tabes dorsalis
Leprosy
Amyloidosis
Syringomyelia
Meningomyelocele
Peroneal muscular atrophy

Causes of exudative pleural effusion are:

Neoplasms
Pulmonary embolism
Infections
Collagen vascular disorders
GIT disorders – Perforation of esophagus, pancreatitis
Others – Yellow nail syndrome, Uremia, Meig’s syndrome, After cardiac surgery / injury, Pericardial disease, Asbestos exposure, Radiation exposure, Chylothorax