Bob Was Completely Bald on the Top of His Head

question 56

Multiple Choice

Bob was completely bald on the top of his head by the time he was 35 years of age.Bob noticed he produced abundant sweat on his head when he exercised.He also noticed that his scalp was no longer oily.Which of the following changes account for the observations? (1) He has fewer functional hair follicles now.
(2) He has fewer functional sebaceous glands now.
(3) He has fewer merocrine sweat glands now.
(4) He has fewer apocrine sweat glands now.

• A)1,3,4
• B)1,2,3,4
• C)1,2
• D)1,2,4
• E)1,2,3

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Definitions:

Independent Variable

In an experimental setting, the variable that is deliberately changed or manipulated to observe its effect on the dependent variable.

Dependent Variable

In research, the variable that is measured and is expected to change as a result of changes in the independent variable.

Risk Factors

Attributes, characteristics, or exposures that increase the likelihood of a person developing a disease or injury.

Susceptibility

The likelihood or predisposition to be affected by a certain condition or disease based on genetic, environmental, or psychological factors.