Which of the following best describes research findings on the genetics of obesity?
A) Statistics show a 50 percent chance of being obese if both parents are obese.
B) Statistics show that only those with the "thrifty gene" will be able to resist obesity.
C) Twin studies show no evidence that there is a major genetic influence in weight.
D) Twin studies support genetic influence, but the environment plays a substantial role.
D
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____________ defines the role of health care personnel.
Fill in the blank(s) with the appropriate word(s).
Laser photocoagulation is effective in the treatment for:
A) cataracts. B) macular degeneration. C) diabetic retinopathy. D) b and c.
Most home fire extinguishers discharge for approximately 30 seconds.
Answer the following statement true (T) or false (F)
All of the following are ways to contract HIV from an infected individual except
A) having vaginal intercourse. B) performing oral sex. C) sharing needles. D) shaking hands.