You are called for an elderly man with what appears to be pleuritic chest pain. Further assessment shows he has pain in the lower leg with increased calf pain when he flexes his toes upwards. You should suspect:

Checking skin signs is a way of evaluating a patient's perfusion. Perfusion is best described as:

A) the exchange of gas and carbon dioxide in the alveoli. B) the removal of waste from cells and tissues. C) the delivery of oxygenated blood to the cells and tissues. D) the movement of fluids in the body.

Compression of the ____ suppresses the parasympathetic input to the eye resulting in a dilated pupil.

A. 3rd cranial nerve B. 7th cranial nerve C. 9th cranial nerve D. 12th cranial nerve