Which of the Following Is a Physical Change of a Middle-Aged

question 10

Multiple Choice

Which of the following is a physical change of a middle-aged adult?

• A)Blood vessels become thinner and more elastic.
• B)Visual acuity starts to decline in the mid-60s.
• C)Hormonal changes take place only in women of this age group.
• D)Subcutaneous fat decreases in this age group.

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Definitions:

Hair Bulb

The rounded, club-shaped structure at the base of a hair follicle containing the cells that produce hair, and the site of hair growth.

Hair Shaft

The portion of hair that extends above the skin surface, made of tightly compacted keratin cells.

Keratin Production

The process by which cells form keratin, a key structural protein that makes up the hair, nails, and the outer layer of skin.