Exam Questions and Verified Answers |
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What is the integumentary system composed of? - 🧠ANSWER ✔✔Skin,
hair, nails, sweat, and oil glands
What is the largest organ in the body? - 🧠ANSWER ✔✔Skin
How many layers are there in the epidermis? - 🧠ANSWER ✔✔5
What are the layers of the epidermis? - 🧠ANSWER ✔✔Basal layer, stratum
germanivatum/spinosum, stratum granulosum, stratum lucidum, stratum
corneum
What is the basal layer? - 🧠ANSWER ✔✔The deepest layer of the
epidermis, made of the stratum spinosum and stratum basale, connects the
epidermis to the dermis
,What are the layers of the dermis? - 🧠ANSWER ✔✔Papillary and reticular
What is the hypodermis? - 🧠ANSWER ✔✔The inner layer of the skin,
composed of subcutaneous fat
What is the reticular layer? - 🧠ANSWER ✔✔The deeper layer of the dermis
that supplies the skin with oxygen and nutrients
What is keratinization? - 🧠ANSWER ✔✔The process by which newly
formed cells in the basal layer fill with keratin, move upward, lose their
nucleus, and die
What happens from the stratum germinavitum to spinosum? - 🧠ANSWER
✔✔Keratin cells attach to granules and then create a spiny form
What are the three fibers in the dermis? - 🧠ANSWER ✔✔Reticula, collagen,
elastin
What is elastin? - 🧠ANSWER ✔✔A protein base similar to collagen that
forms elastic tissue and contributes to youthfulness
What are reticular fibers? - 🧠ANSWER ✔✔Thin and branched collagen
fibers that form a tightly woven fabric, joining connective tissue to adjacent
tissues
, What do sebaceous glands secrete? - 🧠ANSWER ✔✔Sebum (oil) into the
hair follicles where the hair shafts pass through the dermis
What is the function of sebaceous glands? - 🧠ANSWER ✔✔To secrete oil
to soften the hair and skin
What is the tarsal portion of the eyelid? - 🧠ANSWER ✔✔The part that forms
the eyelid
What does the orbital portion of the eyelid provide? - 🧠ANSWER ✔✔The
superior surface of the eye socket
What is the function of the corrugator muscle? - 🧠ANSWER ✔✔Draws the
eyebrow down & wrinkles the forehead.
What is the function of the orbicularis oculi muscle? - 🧠ANSWER ✔✔Used
in blinking, winking, and squinting.
What is the function of the orbicularis oris muscle? - 🧠ANSWER ✔✔Closes
and protrudes lips.
What is the function of the supraorbital vein? - 🧠ANSWER ✔✔Drains blood
from the forehead and upper eyelid.
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