Which hormone is responsible for the development of female secondary sex characteristics??
A) testosterone
B) luteinizing hormone (LH)
C) estrogen
D) growth hormone (GH)
C
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In a person with Klinefelter's syndrome, there is _____
A) an extra X chromosome B) an extra Y chromosome C) no X chromosomes D) no Y chromosomes
Two groups of people are given different kinds of practice problems in logic. They are then tested on a set of new problems to determine whether one kind of practice was better than the other. The nature of the practice problems is the ________ variable
a. uncontrolled b. independent c. dependent d. observed
During an eccentric muscle contraction
a. the muscle shortens as it overcomes the resistance. b. there is little or no movement during the contraction. c. the speed of the muscle contraction is kept constant. d. there is lengthening of the muscle as it contracts.
Which of the following form a triad that can lead to musculoskeletal injury in a cold environment?
A. Decrease in chill factor, improper warm-up, and heavy clothing B. Effective warm-up, inadequate clothing, and a low chill factor C. Inadequate clothing, improper warm-up, and a high chill factor D. Decrease in temperature, improper clothing, and an improper cool-down