Predict why does acne worsen at puberty?

What will be an ideal response?


Sebaceous glands and sebaceous follicles are very sensitive to changes in concentrations of sex hormones. When the concentration of these hormones increases at puberty, the sebaceous glands are stimulated to secrete greater amounts of sebum, which can block sebaceous ducts with accumulated secretions, causing inflammation and providing a fertile environment for bacterial infection.

Anatomy & Physiology

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. A small lesion in the brainstem which resulted in a rapid heart rate, intense vasoconstriction, and elevated blood pressure would probably be located in the

A. medulla oblongata. B. pons. C. cerebellum. D. hypothalamus. E. cerebrum.

Anatomy & Physiology

Tidal volume is ________

A) the amount of air that can be forcefully inhaled after a normal inhalation B) the amount of air that can be forcefully exhaled after a normal exhalation C) the amount of air inhaled or exhaled with each resting breath D) the maximum amount of air that can be exhaled after a maximal inspiration

Anatomy & Physiology

Nonstriated, involuntary muscle is

A) cardiac. B) red skeletal. C) smooth. D) white skeletal. E) intermediate skeletal.

Anatomy & Physiology

Sympathetic dominance would be most likely responsible for erection

Indicate whether the statement is true or false

Anatomy & Physiology