The Integumentary System questions with answers 2020-2021

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) All of the following are part of the integumentary system EXCEPT the A) epidermis B) dermis C) subcutaneous layer D) hair and nails E) sebaceous and sweat glands Answer: C Reference: Page 145... , Structure of the Skin Level of Difficulty: Medium 2) The epidermis A) is the deepest layer of the cutaneous membrane. B) is composed of stratified squamous epithelium. C) has four or five layers of cells. D) is highly vascular. E) contains adipocytes and collagen fibers. Answer: B Reference: Page 145, Structure of the Skin Level of Difficulty: Medium 3) Keratinocytes are the predominant cells in the: A) epidermis. B) papillary region of the dermis. C) reticular region of the dermis. D) subcutaneous layer. E) All of the above are correct. Answer: A Reference: Page 145, Structure of the Skin Level of Difficulty: Medium 4) The function of keratin is to: A) make skin hard and brittle. B) make skin tough and waterproof. C) protect skin from ultraviolet light. D) provided added pigment. E) store vitamin A. Answer: B Reference: Page 145, Structure of the Skin Level of Difficulty: Medium 5) A student leaves her anatomy and physiology text at school and is forced to study from an older text in the public library. That book describes the deepest layer of the epidermis as containing actively dividing stem cells but calls that layer the stratum germinativum. The book lists the other cells in the stratum germinativum as melanocytes, Langerhans cells and Merkel cells. The student then realizes that the stratum germinativum is the same as the stratum A) corneum. B) lucidum. C) granulosum. D) spinosum. E) basale. Answer: E Reference: Page 145, Structure of the Skin Level of Difficulty: Medium 6) A student knows that the epidermis is composed of avascular stratified squamous epithelial tissue. As he studies the diagram of a section of skin in the anatomy and physiology text., he realizes that nourishment to cells in the epidermis must be provided by diffusion of materials from A) blood vessels in the stratum basale. B) blood vessels in the subcutaneous region. C) blood vessels in the dermal papillae. D) blood vessels in the dermal reticulum. E) A and C are correct. Answer: C Reference: Page 148, The Structure of Skin Level of Difficulty: Hard 7) Arrange the layers of the epidermis in order from most superficial to deepest. 1. stratum spinosum 2. stratum granulosum 3. stratum corneum 4. stratum basale 5. stratum lucidum A) 4, 1, 2, 5, 3 B) 3, 5, 1, 2, 4 C) 4, 1, 5, 3, 2 D) 3, 5, 2, 1, 4 E) 4, 3, 2, 5, 1 Answer: D Reference: Page 145, Structure of the Skin Level of Difficulty: Medium [Show More]

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