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.
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.
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Which of the following changes occurs in a person's body once the person begins to regularly participate in aerobic exercises?
A. He has an increased risk of suffering from osteoporosis and fractures as a large amount of calcium is utilized during physical activities. B. He is prone to increased pain and inflammation in his joints following his exercise routine. C. He is likely to have a lower heart rate response with the same workload after several weeks of training. D. He is prone to high blood pressure as constant physical activities increase the cardiac output. E. His resting heart rate increases, but his cardiac muscle strength decreases.
Methods of infection control designed to inhibit the growth of microorganisms are
A) sanitizing. B) bactericidal. C) disinfectant. D) bacteriostatic.
The portion of an antibody molecule that contains the antibody binding site is the
A) heavy chain. B) light chain. C) Fab fragment. D) Fc fragment.
Which of the following is not a sign that immediate medical attention is needed for a drug/alcohol problem?
A) disturbances of vision B) grand mal seizures C) nervous system depression D) awake and alert