The world's largest energy consumer is

One of the most common signs of myocardial infarction in an elderly person is:

A) severe pain. B) fever. C) shortness of breath. D) high blood pressure.

A rise in a woman's basal body temperature signals

A) that ovulation has occurred. B) the beginning of the menstrual cycle. C) that fertilization has occurred. D) the end of the current menstrual period.

Helmets help prevent head injuries such as skull fractures, but they do not significantly reduce the risk of concussions.

Answer the following statement true (T) or false (F)

Neutrophils are attracted to an infected area by:

a. IgM b. vascular permeability c. bacterial phagocytosis d. aggregation of C4 and C2