Blurring of vision is a side effect caused by the use of

What is the primary use of $Terfenadine$?

Aspirin is known as ......?

Given below are two statements:
Statement $I:$ Noradrenaline is a neurotransmitter.
Statement $II:$ Low level of noradrenaline is not the cause of depression in human.
In the light of the above statements,choose the correct answer from the options given below.

The use of chemicals for the treatment of diseases is called:

$4-$hydroxyacetanilide belongs to which of the following?