Question :
21. (p. 91) All of the following have the stratum : 1777308
21. (p. 91) All of the following have the stratum lucidum layer of the epidermis except which one?
A. Thin skin
B. Thick skin
C. Skin on the palms of hands
D. Skin with no hair
22. (p. 91) Which of the following is the most superficial layer of the epidermis?
A. The stratum basale
B. The stratum lucidum
C. The stratum corneum
D. The stratum spinosum
23. (p. 91) What is the difference in thick skin and thin skin?
A. Thin skin is thinner than thick skin.
B. Thick skin has hair.
C. Thin skin does not have the stratum lucidum layer while thick skin does.
D. Thick skin is found all over the body, while thin skin is found on lips, palms of hands and soles of feet.
24. (p. 93) What cell type in the epidermis is responsible for the skin's pigment?
A. Keratinocytes
B. Melanocytes
C. Tactile corpuscles
D. Dendritic cells
25. (p. 92) Which cells in the epidermis grow and divide?
A. Keratinocytes
B. Melanocytes
C. Tactile corpuscles
D. Dendritic cells
26. (p. 92-93) What is the hard, waterproof protein that fills keratinocytes?
A. Melanin
B. Keratin
C. Sebum
D. Corneum
27. (p. 93) What is cornification?
A. The process of epidermal cells filling with keratin and moving to the surface of the epidermis to form a durable waterproof layer
B. The process of skin pigmentation
C. The process of receptors allowing for fine touch
D. The process of the immune system being alerted by the presence of pathogens
28. (p. 93) What is the purpose of cornification?
A. To form a durable, waterproof layer on the surface of the skin
B. To give the skin color
C. To allow skin to feel fine touch
D. To protect the skin from pathogens
29. (p. 93) Melanocytes reside in what layer of the epidermis?
A. The stratum basale
B. The stratum lucidum
C. The stratum corneum
D. The stratum spinosum
30. (p. 93) What is the function of tactile corpuscles found in the skin?
A. To form a durable, waterproof layer on the surface of the skin
B. To give the skin color
C. To allow skin to feel fine touch
D. To protect the skin from pathogens
