MCQ
Caffeine, amphetamines and cocaine are
- ANerve depressant
- BNerve initiator
- ✓Nerve stimulant
- DNerve impulse initiator
(c) These drugs stimulate the nervous system, make a person more wakeful, alert and active and cause excitement.
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Reason: A bone marrow transplant given to a patient with genetic immunodeficiency is an example of artificially acquired passive immunity.