Mike has sustained a fracture of the left tibia from playing football. The fracture has failed to unite. This is known as a __________ fracture

Syncope in the older patient is:

A. caused by an interruption of blood flow to the brain. B. generally of no concern unless the patient was injured. C. most commonly caused by a silent myocardial infarction. D. rarely life threatening but should be evaluated by a physician.

Which of the following arterial blood gas results could be caused by diarrhea?

a. pH = 7.15; PaCO2 = 20 mm Hg; and HCO3– = 7.4 mEq/L b. pH = 7.20; PaCO2 = 65 mm Hg; and HCO3– = 26 mEq/L c. pH = 7.57; PaCO2 = 22 mm Hg; and HCO3– = 20 mEq/L d. pH = 7.49; PaCO2 = 49 mm Hg; and HCO3– = 38 mEq/L