The incubation period for diphtheria is:
A) 1 to 7 days.
B) 2 to 7 days.
C) 1 to 5 days.
D) 2 to 5 days.
D
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The treatment method that involves the insertion of long, thin needles at certain points in the skin to stimulate the flow of energy is called ________.
Fill in the blank(s) with the appropriate word(s).
Answer the following statement(s) true (T) or false (F)
1. According to the ACSM, it is generally safe for men under age 40 and women under 50 to begin a vigorous exercise program if they are healthy and have had a satisfactory medical checkup in the past two years. 2. Health-related fitness benefits can be experienced by those who score at the "average" level in physical fitness tests. 3. Field tests of cardiorespiratory endurance are generally based on physiological performance or a parameter such as pulse rate. 4. Air temperature is not important when taking a cardiorespiratory endurance test. 5. Muscular strength is often measured by a maximal lift with weights.
During incremental muscle relaxation, it is recommended that the contraction and relaxation process of muscles should occur _______________ times with each increment decreasing in the maximal muscle contraction percentage
Fill in the blank(s) with correct word
The origins of exercise epidemiology date back only to the early 1960s.
a. true b. false