The major source of fuel for the nervous system, brain, and red blood cells is
A. proteins.
B. carbohydrates.
C. fats.
D. vitamins.
B. carbohydrates.
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Progestin-only oral contraceptive drugs are useful for mothers who are breastfeeding because the drug does not interfere with milk production
Indicate whether the statement is true or false.
Which of the following pathological conditions is due to weakened eye muscles?
A) astigmatism B) cataract C) glaucoma D) strabismus
Which of the following statements is TRUE regarding HIV transmission and infection?
A. Infants born with HIV appear ill at birth. B. The risk of HIV transmission during oral sex increases if a person has brushed their teeth or flossed just before or after oral sex. C. The rate of HIV infection is higher among whites than among African Americans. D. HIV-positive mothers can breastfeed their infants without risk of HIV transmission.
Performing a high volume of static stretching before exercise can
A) reduce power. B) increase the chance of injury. C) increase muscle strength. D) increase incidence of low back pain.