Atherosclerosis is:
A) hardening of the arteries and veins.
B) the fatty substance on the inner walls of the blood vessels.
C) a progressive disease that affects the nerve fibers of the brain.
D) the same as a heart attack.
ANS: B
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Recommended body weight is the weight at which there seems to be no harm to human health.
Answer the following statement true (T) or false (F)
Smoking in the U.S. was at its highest during which time period?
A) before 1900 B) from 1900-1950 C) from 1950-2000 D) since 2000
Mass shootings at Columbine High School and Virginia Tech have led to all the following EXCEPT
A) increased crime rates on elementary, middle, and high school campuses since 2004. B) new emergency response plans and procedures on campuses. C) upgraded communication systems on campuses. D) new safety services for students, faculty, and staff.
The ________ valve is located between the right atrium and right ventricle.
A. semilunar B. tricuspid C. pulmonic D. mitral E. aortic