According to the American Council on Science and Health, the bone mineral content of smokers is approximately ____ less than that of nonsmokers.
A. 2%-9%
B. 10%-30%
C. 31%-40%
D. 41%-50%
Answer: B
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A wide pupil is said to be _____
A) constricted and permits little light to enter the eye B) constricted and permits more light to the enter the eye C) dilated, and permits little light to enter the eye D) dilated, and permits more light to enter the eye
A hematocrit test is done to determine the:
A) amount of iron-containing pigment of the RBC. B) presence of IgA. C) percentage of RBCs in total blood volume. D) number of erythrocytes present.
Which of the following uses high-frequency sound waves to produce a visual image of the fetus in the womb?
A. chorionic villus sampling B. ultrasound C. amniocentesis D. alpha-fetoprotein measurement
Which of the following are among the key initiatives of the Obama administration's 2010 National Drug Control Strategy?
A) Strengthen efforts to prevent drug use in communities. B) Improve health care. C) Break the cycle of drug use, crime, and incarceration. D) All of these answers are key initiatives of the National Drug Control Strategy.