A clinical test that is commonly used to diagnose infections of the intestinal tract is a(n) __________

Transmission of parasitic organisms, such as pinworms, is usually via:

A) Physical contact. B) Sexual contact. C) Inhalation D) Ingestion.

Which of the following respiratory sounds would make you suspicious of an upper airway problem?

A) Wheezing B) Crackles C) Rhonchi D) Stridor