Drugs Against Cough

DRUGS AGAINST COUGH

Q. 1

The thyroid inhibitor with fastest mechanism of action is?

 A

Potassium iodide

 B

Propylthiouracil

 C

Carbimazole

 D

Cholestyramine

Q. 1

The thyroid inhibitor with fastest mechanism of action is?

 A

Potassium iodide

 B

Propylthiouracil

 C

Carbimazole

 D

Cholestyramine

Ans. A

Explanation:

Though iodine is a constituent of the thyroid hormones, but still it is the fastest acting thyroid inhibitor.

All the facets of thyroid function seemed to be affected by iodine.

But the most important function of it is inhibition of the release of the thyroid hormone from the follicular cells which has been already synthesized. Thus, the enlarged gland slowly shrinks, and then, it becomes firm and less vascular.


Q. 2

Potassium iodide is contraindicated in all of the following conditions, EXCEPT:

 A

Dermatitis herpetiformis

 B

Iodine hypersensitivity

 C

Hypocomplementemic vasculitis

 D

Pregnant women

Q. 2

Potassium iodide is contraindicated in all of the following conditions, EXCEPT:

 A

Dermatitis herpetiformis

 B

Iodine hypersensitivity

 C

Hypocomplementemic vasculitis

 D

Pregnant women

Ans. D

Explanation:

Persons with dermatitis herpetiformis and hypocomplementemic vasculitis are at increased risk for sensitivity from Potassium Iodide. It is a contraindication in both the conditions. Known iodine allergy is a contraindication. 
 
Caution: Iodine may be used in pregnant women, infants, and children, but safety has not been clearly established. Hence, not a contraindication.
 
Ref: Rowley F. (2012). Chapter 196. Iodide (Potassium Iodide, KI). In K.R. Olson (Ed), Poisoning & Drug Overdose, 6e.

Q. 3

Fastest acting antithyroid drug is?

 A

Potassium iodide

 B

Propylthiouracil

 C

Carbimazole

 D

Cholestyramine

Q. 3

Fastest acting antithyroid drug is?

 A

Potassium iodide

 B

Propylthiouracil

 C

Carbimazole

 D

Cholestyramine

Ans. A

Explanation:

Ans. is ‘a’ i.e., Potassium iodide

o Iodine is the fastest acting thyroid inhibitor.

Quiz In Between



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