455.Recommended etching time for primary teeth

a.15-30 seconds

b.30-60 seconds

c.60-90 seconds

d.90-120 seconds

Ans-60 -90 seconds

325.Average mercury content in well condensed amalgam should not exceed

a.30%
b.40%
c.50%
d.60%
Ans-c .50%
refer phillips 11nth ed pg 552

255.All are structures present in the lateral wall of cavernous sinus except

a.occulomotor nerve
b.trochlear nerve
c.maxillary nerve
d.abducent nerve

Ans-d.abducent nerve
Explanation-abducent nerve and internal carotid artery passes through centre of sinus.

229.Drug of choice to treat hypertension during pregnancy

a.Diuretics
b.Enalapril
c.Reserpine
d.Methyldopa

Ans-d.Methyldopa

Explanation:Ref K.D Tripathi 5th ed pg 517

226.Drug not used in acute asthma is:

1.Salbutamol.
2.Ipratropium.
3.Montelukast.
4.Hydrocortisone.

Ans:3.Montelukast.

Explanation:KDT 5th ed pg 205