To benefit the cardiovascular system of young and middle-aged adults, endurance training must include
A. small-muscle activities performed 3 to 5 days per week
B. small-muscle activities performed 20 to 60 minutes per exercise session
C. large muscle activity with a HR intensity of 60-85% of maximum
D. large-muscle activities performed 1 day each week for 20 to 30 minutes
C
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Specific variables concerning the victim in Milgram's research on destructive obedience affected participants' levels of obedience. Identify one such variable, and describe the nature of its effect
What will be an ideal response?
A researcher wishes to investigate the length of the sleep-wake cycle that is regulated by a subject's biological clock. The researcher can do this by:
A. letting the subject eat and sleep whenever he or she feels like it B. asking the subject to estimate the time at certain intervals without the use of a clock C. removing all cues to time and measuring when the subject sleeps and wakes D. analyzing the cycle produced by brain-wave patterns
Which is not an accepted purpose of an autopsy?
a. Clarifies real or potential medico-legal deaths b. Obtains information beneficial to the deceased's family c. a Checks the accuracy of the clinical diagnoses and historical data d. Provides practical experience for young physicians and medical students e. Checks the appropriateness of medical and surgical therapy
Leo took care of his wife for several years after she suffered a stroke. The stress on him was overwhelming. Shortly after she died, he develops a serious illness. His illness suggests ____
a. hypertension resulting from chronic stress b. an impaired immune response to illness resulting from chronic stress c. hypervigilance resulting from chronic stress d. hyperglycemia resulting from chronic stress