Question 1

Notes

Question 1: The stratum corneum just under the free edge of a nail is the A) lunula. B) hyponychium. C) nail root. D) eponychium. E) cuticle. Question 2: Which layer is the primary barrier against environmental hazards? A) 1 B) 5 C) 3 D) 2 E) 4 Question 3: A thickened area of scar tissue that is covered by a shiny, smooth epidermal surface is called a A) psoriasis. B) keloid. C) sclerotome. D) contusion. E) hematoma. Question 4: In a penetrating wound, ______ divide to produce mobile cells that repair the dermis. A) fibroblasts. B) macrophages. C) granulation cells. D) dendritic cells. E) muscle cells. Question 5: While walking barefoot on the beach, Joe stepped on a thorn that penetrated through the sole of his foot to the dermis. How many layers of epidermis did the thorn penetrate? A) 4 B) 1 C) 3 D) 5 E) 2 Question 6: Nail production occurs at the nail A) root. B) bed. C) body. D) hyponychium. E) cuticle. Question 7: Children in northern regions experience months of inadequate sunlight exposure on the skin. To prevent possible abnormal bone development, what essential organic nutrient is necessary in the diet? A) protein. B) vitamin C. C) retinol-A. D) calcium. E) cholecalcifero...