1. Complete the following statement by writing the appropriate word or phrase on

Question

1. Complete the following statement by writing the appropriate word or phrase on the blank line 2. Four protective function of the skin are: 3. using the key choices, choose all responses that apply to the following descriptions 4-5. Label the integumentary structures in areas indicated on the diagram 6. What substance is manufactured in this game and play the role in calcium absorption 8. Accessory organs of the skin 10. Label the structure
Instructors may assign a portion of the Review Sheet questions using Mastering A&P REVIEW SHEET xThe Integumentary System EXERCISE Name Lab Time/Date Basic Structure of the Skin 1. Complete the following statements by writing the appropriate word or phrase on the blank line 1. The superficial region of the skin is the composed of 3 words) tissue 2. The deeper region tissue is the 3. The most numerous cell of the epidermis is the 4. The two primary layers of the dermis are the cemposed of connecte tissue osed rr rin« tssue dermis, composed of areolar connective tissue, and the dermis, composed of dense irregular connective tissue 2. Four protective functions of the skin are b. 3. Using the key choices, choose all responses that apply to the following descriptions. Some terms are used more than once d. Key a. stratum basale g reticular dermis b stratum corneum c stratum granulosum d. stratum lucidum e. stratum spinosunm f papillary dermis layer of translucent cells in thick skin containing dead keratinocytes 2. two layers containing dead cels 3 dermal layer responsible for fingerprints 4 epidermal layer exhibiting the most rapid cell division 5 layer incuding scalelike dead cell, full of keratin, that constantly slough off 6 layer named for the numerous granules present 7location of melanocytes and tactile epithelial cells 8 area where weblike pre-keratin filaments first appear 9 deep layer of the dermis 10 layer that secretes a glycolipid that prevents water loss from the skin

Explanation / Answer

1. 1. epidermis, stratified squamous epithelial cells, basal cells, and melanocytes

2.dermis

3. squamous epithelial cells

4. papillary dermis, reticular dermis   

2. Four important functions of the skin are --

a. it acts as a mechanical barrier and prevents the entry of germs, toxic materials etc from entering the body.

b. prevents loss of essential fluids and other important substances from the body.

c. acts as an excretory organ by excreting sweat which also helps to regulate the body temperature because when the sweat evaporates t cools the skin.

d. protects the body from the harmful UV-rays of the sun.

4] Labels--

Starting from the extreme top right and moving clockwise--

a. hair shaft

b. epidermis

c. dermis

d. sweat gland

e. subcutaneous layer or hypodermis

f. fibers

g. fats

h. sweat pores

i. sebaceous gland

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