Which of the following statements concerning testosterone is true?
A. It prevents hair loss in pattern baldness.
B. It promotes atrophy of the larynx.
C. It can lead to an increase in muscle mass.
D. It causes the skin and hair to soften.
E. It decreases metabolic rate in males.
C
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Which of the following is NOT a change that may be caused by hormonal stimulus?
A) an increase in enzyme synthesis B) stimulation of mitosis C) a change in membrane potential D) direct control of the nervous system
Which of the following enter the interior of the eye?
a. 2,3,4, and 6 b. 2 and 3 c. 3 only d. 2 only e. 3,4, and 6
What type of chemical messenger is released from neurons to activate an adjacent cell?
A. paracrine B. neurotransmitter C. autocrine D. endocrine
What is the function of keratin, a protein found in the epidermis of the skin?
A.) Protection B.) Oxygen binding C.) Sensation D.) Temperature regulation E.) Waste elimination