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228.Which of the following increases turbulence in blood flow?

Dr. SHABEEL

15

a.Reynold's number less than 2000.
b.Decrease in the velocity of the blood.
c.Decrease in density of the blood.
d.Increase in the diameter of blood vessel.

Ans-d.Increase in the diameter of blood vessel.

Explanation-Ref ganong22/ed pg 583
reynold's no=density *diameter*velocity/viscosity

Reactions:

227.Name the drug having rapid onset despite high pka (9.1)

Dr. Priyanka

14

Sep 2010

a.Procaine
b.Tetracaine
c.Chloroprocaine
d.Bupivacaine

Ans.c.Chloroprocaine

Explanation:Ref KDT 6TH ed pg 353

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226.Drug not used in acute asthma is:

Dr. SHABEEL

13

Sep 2010

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

Ans:3.Montelukast.

Explanation:KDT 5th ed pg 205

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225.Which of the following is the action of styloglossus?

13

Sep 2010

1.Acts to protrude the tongue and retract tip of tongue.
2.Acts to pull sides of tongue downward and aids retrusion.
3.Acts to draw up the tongue to create a trough for
swallowing.
4.Flattens and broadens tongue.


Ans:3.Acts to draw up the tongue to create a trough for
swallowing.

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224.Vertebral artery is the branch of:

13

Sep 2010

1.Thyrocervical trunk.
2.First branch of the subclavian artery.
3.Second branch of the subclavian artery.
4.Inferior thyroid artery.

Ans:2.First branch of the subclavian artery.

Explanation:ref gray's anatomy pg928