A central tenet of exercise epidemiology is the fact that participation in regular physical activity affects one's risk of developing certain diseases.

a. true
b. false


Answer: a. true

Health & Biomechanics

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_____ agents usually cause single nucleotide substitutions in DNA, whereas _____ agents produce more significant damage to DNA

a. mutagenic; carcinogenic b. chemical; physical c. benign; malignant d. tumor-associated; tumor-specific e. benign; oncogenic.

Health & Biomechanics

The medical term ____________________ describes the absence of sperm in the semen

Fill in the blank(s) with correct word

Health & Biomechanics

In the exhaustion stage of the GAS, the body does which of the following?

a. causes an increase in heart rate and respiration rate to restore body resources b. causes a decrease in heart rate and respiration rate to restore body resources c. tries to renew spent energy and repair damage d. mobilizes its resources in the face of stressful demands

Health & Biomechanics

John does not believe that he will get lung cancer from smoking cigarettes, so he does not want to quit smoking. John is in the _____ stage of the transtheoretical model of change

a. precontemplation b. contemplation c. preparation d. maintenance e. termination

Health & Biomechanics