1. Which of the following correctly describes the structure of the skin? a. It c
ID: 209562 • Letter: 1
Question
1. Which of the following correctly describes the structure of the skin? a. It consists of the superficial épidermis, middle dermis, and deep hypodermis. b. It consists of the superficial epidermis and deep dermis. c. It consists of the superficial dermis and deep epidermis. d. It of the superficial dermis and deep hypodermis 2. Which of the following is not a function of the integument? a. Protection from mechanical trauma b. Protection from c. Thermoregulation d. Protection from acid-base imbalances 3. Keratinocytes in the superficial strata of the epidermis die because a. they are too far away from the blood supply in the dermis. b. they are surrounded by a lipid-based substance that makes them more permeable to water. c. they do not die. d. No keratinocytes in the epidermis are alive. 4. Which of the following statements is false? a. Thin skin lacks the stratum lucidum, whereas thick skin has all five epidermal layers. b. Thick skin is located on the palms, the palmar surfaces of the fingers, the soles of the feet, and the plantar surface of the toes, whereas thin skin is located everywhere else. c. Thick skin has numerous hairs, whereas thin skin lacks hairs. skin has a thin stratum corneum and the other layers are thinner than what we find in thick skin. 5. Epidermal ridges are caused by: a. the epidermal papillae. b. mounds of papillary dermis arranged into dermal ridges. c. gaps between collagen bundles in the reticular layer d. tight binding of the reticular layer to deeper structures. 6. Which of the following is not a function of body hair in humans? a. Protection from the environment b. Sensation c. Protection from mechanical trauma d. Regulation of blood flowExplanation / Answer
1.Ans- a.It consists of the superficial epidermis, middle dermis, and deep hypodermis
The skin consists of three layers that include the epidermis, dermis, and the deeper subcutaneous tissue called hypodermis.
2.Ans- d.protection from acid-base imbalances
The integumentary system composed of the skin, hair, nails, the subcutaneous tissue, and assorted glands. Its main function is to protect the body from the outside, retain body fluids, protect against disease, eliminate waste products, and regulate body temperature.
3. Ans-b.they are surrounded by a lipid-based substance that makes them more permeable to water
The keratinocyte is a type of epidermis cell that produces keratin which makes skin tough and protects it and lamella granules that release a lipid-based water repellent, sealant and no longer multiplying
4. Ans-c. thick skin has numerous hairs, whereas thin skin lacks hairs
Thin Skin consists of thinner stratum spinosum, granulosum, and corneum, and lacks the stratum lucidum. It covers all parts of the body except the palms. Thin skin has stratum basale, stratum spinosum, stratum granulosum, and stratum corneum.
The thick skin consists of five layers such as stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.It covers palmar surfaces of fingers, planter surfaces of toes, and soles, thick epidermis, lacks hair and sebaceous glands.
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