The brain is the primary organ of the central nervous system. It needs and receives 20% of the cardiac output through blood flow from the carotid and vertebral arteries. These arteries are connected at the:

A) Line of Willis
B) Circle of Willis
C) Circus of Willis
D) Line of Leroy


Answer: B) Circle of Willis

Health Professions

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Body Mass Index (BMI) is a highly precise estimate of body fat because it distinguishes between lean muscle, fat, and bone tissue

A) The statement is not correct, but the reason is correct. ? B) neither the statement nor the reason is correct. ? C) Both the statement and reason are correct but not related. ? D) The statement is correct, but the reason is not. ? E) Both the statement and reason are correct and related. ?

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Health is a complex concept that involves the body, mind, emotions, and 

A. environment. B. education. C. marital status. D. occupation.

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Which pathologic condition involves the accumulation of fluid in the peritoneal cavity?

a. edema b. diabetes insipidus c. cirrhosis d. ascites

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