The first visible sign of sexual maturity in boys is usually

A. growth of testicles.
B. development of body hair.
C. deepening of the voice.
D. lengthening of the penis.


A. growth of testicles.

Health & Biomechanics

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Diastolic blood pressure refers to

A. the greatest pressure during the heart's contraction. B. the lower pressure during the heart's relaxation phase. C. the rhythm of the heart. D. the heart rate during exercise.

Health & Biomechanics

Balance is defined as:

A. stability produced by even distribution of weight on each side of the vertical axis B. an extraneous motion that is pleasing to the human eye C. strong muscles to take weight on hands D. one-foot takeoff to a landing on the other foot

Health & Biomechanics

Which of the following has been used to identify different muscle fiber types?

a. time to peak isometric tension c. immunocytochemistry b. fiber color d. all of the choices

Health & Biomechanics

MAOIs are no longer prescribed in the United States

Indicate whether the statement is true or false

Health & Biomechanics