Pre-clinical trials involve human subjects.

What childhood illness is a viral respiratory disease in which the trachea and larynx become inflamed?

A) Asthma B) Whooping cough C) Pertussis D) Croup

All of the following are examples of monophasic oral contraceptives except:

A) Alesse B) Lo/Ovral-28 C) Ortho-Novum 7/7/7 D) Brevicon