Which of the following statements is true?
A. The hair follicle has a hypodermal root sheath.
B. Both the hair root and hair shaft contain living cells.
C. The matrix forms the hair surface.
D. The hair follicle is not associated with sebaceous glands.
E. Undamaged hair follicles can help regenerate damaged epithelium.
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Question 2) Baldness
A. occurs only in men.
B. is more common in men than in women.
C. is not genetic.
D. is related to estrogen levels.
E. is related to levels of growth hormone.
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Question 3) All of the following statements concerning hair are true except one. Identify the exception.
A. In pattern baldness, those hair follicles present begin to produce vellus hair.
B. Hair growth occurs in cycles, with growth and resting stages.
C. Some loss of hair is normal and indicates old hairs are being pushed out by new hairs.
D. Genetic factors and testosterone cause pattern baldness.
E. The growth rate of all types of hair is the same.
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Question 4) Which of the following statements is true?
A. Hair in the axillary region is vellus hair after puberty.
B. At puberty, much of the vellus hair is replaced with terminal hair.
C. Both vellus and terminal hairs are pigmented.
D. In males, the hairs of the beard are vellus hairs.
E. The majority of hair on the chest is vellus hair.
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Question 5) The portion of a hair that protrudes above the surface of the skin is the
A. hair root.
B. hair follicle.
C. hair shaft.
D. hair bulb.
E. dermal papilla.
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Question 6) This is the site of fat storage in the skin.
A. epidermis
B. papillary layer
C. reticular layer
D. hypodermis
E. stretch marks
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Question 7) Which of the following statements concerning the hypodermis is false?
A. The hypodermis attaches the skin to underlying bone and muscle.
B. Hypodermis is composed of dense connective tissue with collagen and elastin fibers.
C. Hypodermis is referred to as subcutaneous tissue.
D. The main cell types of the hypodermis are fibroblasts, fat cells, and macrophages.
E. The hypodermis is a site of fat storage.
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Question 8) At birth the hairs of the scalp, eyelids, and eyebrows are replaced by coarser pigmented hairs called
A. lanugo hairs.
B. primary hairs.
C. pubic hairs.
D. vellus hairs.
E. terminal hairs.
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Question 9) Delicate unpigmented hairs that cover the fetus in early development are called
A. terminal hairs.
B. secondary hairs.
C. primary hairs.
D. vellus hairs.
E. lanugo hairs.
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Question 10) Adipose tissue in the hypodermis
A. provides protection against infection.
B. serves as a storage site for fat, which can be used for energy.
C. connects the dermis with the epidermis.
D. is absent in infants.
E. helps to lower body temperature.
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