NR-283 TEST 2 QUESTIONS WITH THE LATEST AND UPDATED SCORE

NR-283: TEST 2 QUESTIONS WITH THE LATEST AND UPDATED
SCORE.


1) Functions of the skin -- Answer ✔✔ protection, prevents penetration, perception,
a a a a a a a a a a a




temperature regulation, identification, wound repair, absorption and excretion,
a a a a a a a a




production of vitamin D a a a




2) Epidermis -- Answer ✔✔ Outer layer of skin
a a a a a a a




- no blood vessels or nerves
a a a a




3) Keratinocytes -- Answer ✔✔ barrier for pathogens a a a a a a




4) Langerhans -- Answer ✔✔ type 4 hypersensitivity
a a a a a a




5) Melanocytes -- Answer ✔✔ produce melanin a a a a a




6) Merkel -- Answer ✔✔ nerve endings
a a a a a




7) Dermis -- Answer ✔✔ middle layer of skin
a a a a a a a




- connective tissue layer a a




- blood, lymph, nerves a a




8) Macrophages -- Answer ✔✔ Found within the lymph nodes, they are phagocytes that
a a a a a a a a a a a a a




destroy bacteria, cancer cells, and other foreign matter in the lymphatic stream.
a a a a a a a a a a a




9) Mast cell -- Answer ✔✔ immune cells that function to detect foreign substances in
a a a a a a a a a a a a a a




tissue spaces and initiate an inflammatory response
a a a a a a




10) Histiocytes -- Answer ✔✔ Macrophages in connective tissue
a a a a a a a




11) Apocrine sweat glands -- Answer ✔✔ body odor
a a a a a a a

, 12) Eccrine sweat glands -- Answer ✔✔ stress/ fear
a a a a a a a




13) Arrector pili -- Answer ✔✔ a smooth muscle attached to hair follicles that causes
a a a a a a a a a a a a a a




"goose bumps" to appear on the skin when contracted
a a a a a a a a




14) Dermis: Sebaceous Glands -- Answer ✔✔ keep hair moist
a a a a a a a a




- Secrete sebum a




- Stimulated by androgens a a




15) Hypodermis -- Answer ✔✔ loose connective tissue layer of skin below the dermis
a a a a a a a a a a a a




16) What happens to the skin as we age? -- Answer ✔✔ skin thins
a a a a a a a a a a a a




- Less sweat glands a a




- Fewer melanocytes and Langerhans---> risk cancer a a a a a




- Skin tears a




17) Pruritus -- Answer ✔✔ itching carried by unmyelinated c-nerve fibers
a a a a a a a a a




18) Urticaria -- Answer ✔✔ hives
a a a a




- histamine release causing endothelial cells to contract a a a a a a




19) Atopic Dermatitis (Eczema) -- Answer ✔✔ activation of mast cells, eosinophils, t-
a a a a a a a a a a a




lymphocytes

20) Stasis dermatitis -- Answer ✔✔ occurs in the legs as a result of venous stasis, edema,
a a a a a a a a a a a a a a a a




and vascular trauma
a a




21) Staphylococcus aureus -- Answer ✔✔ infection of the dermis and subcutaneous tissue
a a a a a a a a a a a




22) Furuncles -- Answer ✔✔ infection of the follicle spreading into the dermis
a a a a a a a a a a a




23) Impetigo -- Answer ✔✔ inflammatory skin disease with pustules that rupture and
a a a a a a a a a a a a




become crusted a