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a&p prac quiz chap 5
| Question | Answer |
|---|---|
| The outermost layer of the skin is the | epidermis |
| The subcutaneous region can also be referred to as the | Hypodermis |
| The layer within the epidermis that acts as the foundation providing new cells is the _______. | Stratum Basale |
| The superficial cells of the __________ are sloughed off and continually replaced. | Stratum corneum |
| _________ prevents excessive dryness and keeps skin soft and pliable. | Sebum |
| Appocrine sweat glands are located | in the genital and axillary regions. |
| Eccrine sweat glands are located | throughout the body. |
| Ceruminous glands are specialized _______ glands. | Sweat |
| If body temperature increases above normal, what occurs? | sweating occurs and blood vessels of the dermis dilate |
| The pigment of the skin which contributes to skin coloration is | Melanin |
| A major difference between the eccrine sweat glands and the appocrine sweat glands is that eccrine glands empty into/onto _______ while appocrine glands empty into/onto _______. | The skin surface; and hair follicle |
| Keratin is a ________ that is secreted by cells of the epidermis to waterproof the skin and protects against abrasion. | protein |
| The integumentary system comprises | skin, glands, hair, and nails. |
| Exposure to sunlight stimulates the production of | melanin and vitamin D. |
| The integument consists of an outer _________ and an underlying ________. | epidermis; dermis |
| The epidermis is formed of _________ epithelium, and its outermost layer consists of dead cells filled with ________. | stratifed squamous; keratin |
| The skin pigment that provides protection from ultraviolet radiation is ________, which is produced by __________. | melanin; melanocytes |
| The ________ is composed of fibrous connective tissue whose strength and toughness results from abundant _________ fibers. | dermis; collagen |
| Adipose tissue in the _________ provides insulation that reduces the body's heat loss or gain. | hypodermis |
| New cells of the epidermis are continuously formed in the | stratum basale. |
| The _________ lacks blood vessels and must be nourished by materials diffusing from blood vessels in the _________. | epidermis; dermis |
| The root of a hair is located within a _________, an inward tubular extension of the epidermis into the dermis. | Hair Follicle |
| The predominant tissues composing the hypodermis are _________ tissue and ________ tissue. | loose connective; adipose |
| Fingernails and toenails are formed of | keratinized epidermal cells. |
| Glands secreting an oily liquid into hair follicles are _________ glands. | sebaceous |
| _________ sweat glands occur over all of the body and secrete a watery perspiration to cool the body. | Eccrine |
| __________ sweat glands empty their secretions into hair follicles in axillary and genital areas of the body. | Apocrine |
| Select the correct statement. 29 | Exposure of the skin to sunlight stimulates the production of vitamin D. |
| Select the correct statement. 30 | When body temperature is higher than normal, blood flow to the skin is increased. |
| Accessory structures such as hair and glands develop from the | Epidermis |
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