As a lifestyle factor that decreases cancer risk, which beneficial effect is associated with vitamin D consumption?
a. neutralizes free radicals
b. helps control hormones that promote cancer
c. increases stool movement
d. strengthens the immune system
e. disrupts abnormal cell growth
e
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About what percentage of newborn males in the United States are circumcised?
A. 95% B. 75% C. 55% D. 35%
Which of the following are TRUE regarding the alternate pathway of complement activation?
A) Unlike the classic complement pathway, the alternate pathway is independent of calcium and magnesium. B) Factor D has a similar function to C1qrs, and Factor B has a similar function to C2. C) The composition of the C3 convertase is a Factor B/Properdin complex. D) The activation surface of an organism serves to spontaneously cleave C3 into C3a and C3b.
Which medical term means scanty menstrual flow?
A) dysmenorrhea B) oligomenorrhea C) amenorrhea D) bradymenorrhea
The Centers for Disease Control and Prevention (CDC) estimates that approximately how many Americans have diabetes?
A) nearly 10 million B) nearly 20 million C) nearly 30 million D) nearly 40 million