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Hair and Nails
Anatomy Test 2
| Question | Answer |
|---|---|
| Hair and nails are modifications of the ________. dermis epidermis hypodermis none of the above because they are not part of the skin | epidermis |
| The protein found in our hair and nails is ________. collagen carotene elastin keratin | keratin |
| The smooth muscle associated with a hair follicle is called _________. arrector pili arrector vellus alopecia areata erector folliculi | arrector pili |
| All of the following are associated with hair except _________. cuticle matrix medulla lunule | lunule |
| Which of the following is not associated with nails? Eponychium Keratin Matrix Medulla | Medulla |
| What is one major function of arrector pili muscle contraction that is particularly important in nonhuman mammals? The arrector pili muscle contracts to allow for hair growth. The arrector pili muscle contracts to shed dead hairs. The arrector pili mus | The arrector pili muscle contracts to alarm an approaching predator. |
| A female patient with excessive facial hair growth may have which of the following ailments? Excessive estrogen secretion from the ovaries Inadequate secretion of insulin from the pancreas Inadequate secretion of thyroid hormone from the thyroid gland | Excessive secretion of androgens from an adrenal tumor |