Side effects such as drowsiness, mental clouding, and nausea can be a result of taking

Side effects such as drowsiness, mental clouding, and nausea can be a result of taking:

(A) Tranquilizers.
(B) Pain relievers.
(C) Narcotics.
(D) Stimulants.

Option C is the Correct Answer. Explanation: Side effects such as drowsiness, mental clouding, and nausea can be a result of taking Narcotics