Chapter 6 Quiz

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In order to retain heat, what occurs in the skin on a cold day? Sensory receptors in the dermis detect touch, temperature, and light. The skin consists of different tissue types that perform specific activities and therefore is to be considered an organ. The thin epidermis, lacking the stratum lucidum, contains only four strata and covers most of the body. Sebum has bactericidal properties.

Blood vessels of the dermis constrict. False True True True

Why is the dermis richly innervated? Why might someone pale when they are exposed to a cold temperature? The deeper sublayer of the dermis is the ________ layer, and it is the _______ of the two. What is the composition of the subcutaneous layer? The hypodermis is rich in adipose, and thus its functions include: Which type of hair forms the beard on the faces of males?

All of the choices are correct Vasoconstriction has occurred Reticular, thicker Areolar connective tissue and adipose connective tissue Organ protection, energy storage, and thermal insulation. Terminal

Another name for the skin is the _________ membrane. Which is not a function of the integument? What type of epithelium is found in the epidermis? From deep to superficial, the order of the strata of the epidermis is Keratinocytes are: Epidermal dendritic (Langerhans) cells function as part of the ______ response.

Cutaneous No exceptions; all are functions of the integument Keratinized stratified squamous Basale - spinosum - granulosum - lucidum - corneum All of the choices are correct. Immune

Fine hair called _________, which is unpigmented or lightly pigmented, is the primary human hair and is found on the upper and lower limbs. The part of the hair that extends beyond the skin surface is called the: The epithelial tissue root sheath is the _________ layer of the concentric layers making up the hair follicle wall; it derives from the ________. The type of gland that secretes sweat into a hair follicle that is found in the axillary, anal, and genital regions is the ________ sweat gland. Sebum is a secretion that: Production of this vitamin requires skin exposure to the sun. This vitamin is crucial for regulation of calcium and phosphate.

Vellus Shaft Inner, epidermis Apocrine Lubricates skin and helps defend against bacteria. Vitamin D

Which are applicable to the stratum corneum? a: Most superficial stratum b: Consists of about 3-5 cell layers c: Cells are dead d: Interlocking keratinized cells e: Cells are anucleate Thick skin contains: Normally, skin color results from a combination of: a: melanin b: hemoglobin c: bilirubin d: carotene The function of melanin in the skin is to: Among the components of the dermis are: a: sweat glands b: hair follicles c: collagen fibers d: sensory nerve endings e: arrector pili muscles The reticular layer of the dermis consists primarily of:

a, c, d, e Five epidermal strata and lacks sebaceous glands. a, b, d Protect against UV light. a, b, c, d, e Dense irregular connective tissue.


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