BIO201_MH_V3 Topic 6: Integumentary System EXAM (100% GRADE D) | California State University

• BIO201_MH_V3 • Topic 6: Integumentary System Question text Delicate unpigmented hairs that cover the fetus in early development are called Select one: a. terminal hairs. b. primary hairs. c. lanugo hairs. d. vellus hairs. e. secondary hairs. Question 2 Correct 1.75 points out of 1.75 Flag question Question text Select one: a. stratum spinosum b. stratum corneum c. stratum basale d. stratum lucidum e. stratum granulosum Question 3 Incorrect 0.00 points out of 1.75 Flag question Question text Select one: a. stratum spinosum. b. stratum granulosum. c. stratum basale. d. stratum corneum. e. papillary layer of the dermis. Question 4 Correct 1.75 points out of 1.75 Flag question Question text The stratum corneum beneath the free edge of the nail is the Select one: a. nail root. b. nail body. c. nail fold. d. eponychium. e. hyponychium. Question 5 Correct 1.75 points out of 1.75 Flag question Question text Question text This layer is found only in thick skin. Select one: a. stratum basale b. stratum spinosum c. stratum granulosum d. stratum lucidum e. stratum corneum Question 7 Correct 1.75 points out of 1.75 Subcutaneous tissue contains of all of the following EXCEPT: Select one: a. collagen and elastin fibers b. macrophages c. loose connective tissue d. fibroblasts and adipocytes e. stratified squamous epithelial tissue Question 8 Correct 1.75 points out of 1.75 Flag question Question text The vesicles that contain melanin are called . Select one: a. melanosomes b. melanocytes c. keratinocytes d. Golgi apparatus Question 9 Correct 1.75 points out of 1.75 What will develop when the skin is subjected to excess friction or pressure? Select one: a. carcinoma b. melanoma c. papillae d. stretch marks e. callus Question 10 Correct 1.75 points out of 1.75 Flag question Question text Which of the following functions is associated with the skin? Select one: a. fat production b. vitamin C production c. regulation of body pH d. protection against ultraviolet radiation of the sun e. vitamin A production Question 11 Correct 1.75 points out of 1.75 Nails Select one: a. protect the ends of digits. b. alternate between growing and resting stages. c. grow from their free edges. d. are part of the dermis. e. are soft keratin. Question 12 Correct 1.75 points out of 1.75 Flag question Question text In which layer of the epidermis are lamellar bodies formed inside keratinocytes? Select one: a. stratum basale b. stratum spinosum c. stratum granulosum d. stratum lucidum e. stratum corneum Question 13 Correct 1.75 points out of 1.75 The stratum basale Select one: a. is easily shed when you rub your hands together. b. has a mixture of living and dead cells - mostly dead. c. contains many blood vessels that nourish the epidermis. d. contains cells that undergo mitosis to form new epidermal cells. e. contains cells that undergo meiosis to form new epidermal cells. Question 14 Correct 1.75 points out of 1.75 Flag question Question text Which of the following skin changes is usually associated with aging? Select one: a. Skin becomes thicker. b. There is an increase in the number of elastic fibers in the skin. c. Loss of subcutaneous tissue contributes to sagging of the skin. d. Localized increase in sebaceous glands leads to dry skin. e. The amount of collagen in the dermis increases. Question 15 Correct 1.75 points out of 1.75 A victim of an automobile accident goes into shock, which results in decreased blood flow. The victim's skin will Select one: a. become pale. b. have a reddish hue. c. develop a yellow tint. d. become bright red. e. not change color. Question 16 Correct 1.75 points out of 1.75 Flag question Question text Ringworm is an infection of the skin, hair, and nails caused by a Select one: a. bacterium. b. virus. c. parasite. d. fungus. e. inflammation. Question 17 Correct Which type of skin cancer is the most common? Select one: a. basal cell carcinoma b. squamous cell carcinoma c. melanoma d. Kaposi's sarcoma e. psoriasis Question 18 Correct 1.75 points out of 1.75 Flag question Question text A slight sunburn is an example of a burn. Select one: a. first-degree b. second-degree c. third-degree d. fourth-degree e. partial-thickness Question 19 Incorrect What branch of physiology would study the effects of sunbathing on the skin? Select one: a. cell physiology b. systemic physiology c. regional physiology d. organ physiology Question 20 Correct 1.75 points out of 1.75 Flag question Question text The effects of aging on the skin include all of the following except: Select one: a. thinner epidermis b. reduction in collagen and elastin c. loss of fat from the subcutaneous tissue d. increases in sebaceous gland activity