427:Silent chest is seen in:

a) Very severe asthma
b) Chronic bronchitis
c) Emphysema
d) Bronchiectasis

Ans: A[Ref. Davidson 20th ed pg 677]

426: Thickness of wax in inter occlusal recods

a) 9  mm
b) 2  mm
c) 2  cm
d) 10 mm


Ans: B[Ref. Boucher's 12th ed pg 333 Winkler 2nd ed pg 198]

425:Increased VDO results in;

a) Strained facial appearance
b) Trauma to underlying tissues
c) Clicking of teeth
d) All of the above

Ans: D[Ref. Boucher's 12th ed pg 277 , 282]