To be effective in improving cardiovascular fitness and endurance,
and to lessen the risk of a heart attack, exercise that uses large muscle groups in continuous, repetitive action and increases heart and respiration rate should be performed a minimum of _____
a) every day for an hour.
b) once a week for two hours.
c) five times a week for 20 to 30 minutes.
d) 3 times a week for 15 minutes.
Answer: c
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A physician says, "Most people know that AIDS leaves people open to deadly infections, but few are aware that cognitive impairment may be the first sign of HIV infection or AIDS. In serious cases, a diagnosis of AIDS delirium complex (ADC) is made. Prevalence of ADC among persons with HIV infection is between 30 to 40 percent in Western countries. Recently, medications have proven to improve
symptoms of ADC once they develop.". What about the physician's comments is correct? a. Cognitive impairment may be the first sign of HIV infection or AIDS. b. In serious cases, a diagnosis of AIDS delirium complex (ADC) is made. c. Medications have proven to improve symptoms of ADC. d. Prevalence of ADC among persons with HIV infection is between 30 to 40 percent.
Which best describes the hearing of most older adults?
a. Minor hearing loss especially for high-frequency sounds b. Significant hearing loss especially for high-frequency sounds c. Minor hearing loss especially for low-frequency sounds d. Significant hearing loss especially for low-frequency sounds
Which of the following is NOT listed as a way in which heterosexual married couples tend to be similar?
a. Intelligence c. Attitudes b. Weight d. Education
Girls tend to have more positive self-concepts regarding reading, general academics, and helping others than boys
Indicate whether the statement is true or false