Assertion : Opioids help to enhance respiratory activity.
Reason : Opioids are the drugs which binds to specific opioid receptors present in respiratory tract.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Answer

D

Explanation

Opioids are the drugs, which bind to specific opioid receptors present in our central nervous system and gastrointestinal tract. Opiates have narotic, analgesic, astringent (that causes contraction of body parts, ) and sedative effect. They slow down respiratory activity, cause constriction of pupil of eye, decrease glandular secretions, impair the digestion, produce nausea, vomiting and sterility.