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Q.

Select the correct statement.

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a

Smack is obtained from Erythroxylum.

b

Morphine is often given to persons who have undergone surgery as a pain killer.

c

Chewing tobacco lowers blood pressure and heart rate.

d

Cocaine is a depressant given to patients after surgery as it stimulates recovery.

answer is B.

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Detailed Solution

Smack is obtained from Papaver somniferum. Nicotine in tobacco increases blood pressure. Cocaine activates CNS.Morphine is a very effective sedative and painkiller, and is very useful in patients who have undergone surgery.
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