Which technique is commonly used to loosen congestion in the respiratory system?

The ________ drape is used for procedures of the nose and throat. It protects the eyes during surgery and provides a sterile barrier over the head

A. lithotomy C. head B. extremity D. incise

Examination of the cerebrospinal fluid is often helpful in diagnosing disorders of the:

A) central nervous system. B) autonomic system. C) reflex system. D) none of the above.