BIO1011 AP Quiz Week 3 / BIO 1011 Week 3 Quiz (2019): Anatomy and Physiology: South University (Already graded A, this is the latest version)

BIO1011 AP Quiz Week 3 / BIO 1011 Week 3 Quiz (2019): Anatomy and Physiology: South University Question 1. Question : Skin inflammation that primarily involves the papillary layer is termed Student Answer: o papillitis. o epidermatitis. o superficialis. o melanocytis. o dermatitis. Question 2. Question : Each of the following is a function of the integumentary system, except Student Answer: o protection of underlying tissue. o provision of sensation. o excretion of salts and wastes. o synthesis of vitamin C. o maintenance of body temperature. Question 3. Question : 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? Student Answer: 1 2 3 4 5 Question 4. Question : Accessory structures of the skin include all of the following, except Student Answer: sebaceous glands. nails. sweat glands. epidermis. hair follicles. Question 5. Question : The layer of hard keratin that coats the hair is termed the Student Answer: root. medulla. hair bulb. shaft. cuticle. Question 6. Question : Nail production occurs at the nail Student Answer: hyponychium. cuticle. bed. root. body. Question 7. Question : The layer of the skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is the ________ layer. Student Answer: subcutaneous hypodermal papillary reticular epidermal Question 8. Question : Each of the following statements concerning hair is true, except one. Identify the exception. Student Answer: Terminal hairs are heavy and more darkly pigmented than other types of hair. Scalp hairs grow constantly throughout life. The cortex of the hair is composed of hard keratin. Club hair is hair that has ceased growing. The medulla is the soft core of the hair. Question 9. Question : The primary pigments contained in the epidermis are Student Answer: melanin and chlorophyll. xanthophyll and melanin. carotene and xanthophyll. carotene and melanin. none of the above Question 10. Question : At the base of a nail, keratinized skin called the cuticle is also called the Student Answer: cerumen. hyponychium. eponychium. lunula. phalanx. Question 1 1. Questio n : Figure 5-1 The Components of the Integumentary System Use Figure 5-1 to answer the following question(s): An intradermal injection is administered into which layer? Student Answer: 1 2 3 4 5 Question 12. Question : The type of burn that may require a skin graft is a Student Answer: first-degree burn. full-thickness burn. partial-thickness burn. second-degree burn. both C and D Question 13. Question : The nail body covers the Student Answer: nail bed. free edge. nail root. lunula. hyponychium. Question 14. Question : Wrinkles in elderly individuals are the result of Student Answer: increased production of epidermis. loss of elastic filaments in the reticular layer of the dermis. the loss of glands and hair follicles from the skin. decreased thickness of the dermis. increased keratinization of the epidermis. Question 15. Question : The protein that permits stretching and recoiling of the skin is Student Answer: carotene. elastin. melanin. keratin. collagen. Question 16. Question : Cyanosis signifies that a patient Student Answer: has an allergic reaction. has had too much sun. has been exposed to cyanide. has been kept out of the sun. has oxygen-starved skin. Question 17. Question : Which of the following happens if body temperature rises above normal? Student Answer: Evaporative cooling stops. Blood flow to the skin increases. The activity of melanocytes increases. Circulation in the skin decreases. Sweat gland activity decreases. Question 18. Question : Which of the following is not an effect of ultraviolet radiation? Student Answer: production of cholecalciferol within epidermal cells increased activity by melanocytes wrinkles vitiligo chromosomal damage in germinative cells or melanocytes Question 19. Question : The type of cells that form the strata in the epidermis are Student Answer: adipocytes. dendritic cells. keratinocytes. melanocytes. fibroblasts. Question 20. Question : Water loss from insensible perspiration Student Answer: is approximately 0.5 liter a day. is negligible. depends on apocrine sweat glands. always exceeds sensible perspiration. is too small to be measured reliably. Question 21. Question : The layer of dividing cells at the base of the epidermis is the Student Answer: stratum corneum. stratum lucidum. stratum spinosum. stratum germinativum. stratum granulosum. Question 22. Question : Lanugo is found Student Answer: on the soles of the feet. on the palms of the hands. on the scalp. on a fetus. both C and D Question 23. Question : Thin skin contains ________ layer(s) of keratinocytes, and thick skin contains ________ layers. Student Answer: 1; 2 2; 3 3; 4 4; 5 5; 6 Question 24. Question : The layer of the skin that provides a barrier against bacteria as well as chemical and mechanical injuries is the Student Answer: sebum layer. dermis. subcutaneous layer. epidermis. stratum corneum. Question 25. Question : Types of skin cancers include Student Answer: squamous cell carcinoma. malignant melanoma. basal cell carcinoma. actinic keratosis. A, B, and C Question 26. Question : A surgical incision parallel to the lines of cleavage Student Answer: does not affect the healing process. heals slower than incisions made perpendicular to the lines of cleavage. has a tendency to reopen. requires no sutures. closes and heals with relatively little scarring. Question 27. Question : If the papilla of a hair follicle is destroyed, Student Answer: the follicle will lose its blood supply. hair production will not be affected. the texture of the hair will become coarser. the hair produced by the follicle will change from terminal to vellus. the color of the hair will become lighter. Question 28. Question : Granulation tissue is composed of Student Answer: an extensive capillary network. fibroblasts. clotted blood. all of the above none of the above Question 29. Question : Each of the following statements concerning sebaceous glands and sebum is true, except one. Identify the exception. Student Answer: Most sebaceous glands are coiled tubular glands. Most sebaceous glands open into hair follicles. Acne involves inflammation of sebaceous glands. Sebum can function as an antibiotic. Sebum functions to lubricate the hair and skin. Question 30. Question : The two components of the integumentary system are the Student Answer: epidermis and dermis. epidermis and superficial fascia. integument and hypodermis. cutaneous membrane and accessory structures. cutaneous membrane and hypodermis. Question 31. Question : Merocrine sweat glands Student Answer: produce organic secretions that are metabolized by bacteria to produce body odor. secrete a watery fluid directly onto the surface of the skin. primarily function in lubricating the hairs. increase in number and activity with aging. are compound alveolar glands. Question 3 2. Questio n : Figure 5-1 The Components of the Integumentary System Use Figure 5-1 to answer the following question(s): Which layer contains most of the epidermal derivatives? Student Answer: 3 2 5 4 1 Points Received: 0 of 1 Question 3 3. Questio n : Figure 5-1 The Components of the Integumentary System Use Figure 5-1 to answer the following question(s): Which tissue is located in the region labeled "2"? Student Answer: cartilage and blood areolar connective tissue stratified squamous epithelium reticular connective tissues adipose tissue Points Received: 0 of 1 Question 34. Question : Epidermal growth factor exerts which of these effects on the epidermis? Student Answer: promotes cell division speeds up glandular function stimulates keratin synthesis accelerates tissue repair all of the above Question 35. Question : Treatment of full-thickness burns includes which of the following? Student Answer: assist tissue repair replace fluids increase caloric intake prevent infection all of the above Question 36. Question : Which of the following statements about rickets is not true? Student Answer: prevented by vitamin D leads to skeletal deformity prevented by sunlight leads to weak bones is usually genetic Question 37. Question : ________ are cells in the epidermis that are part of the immune system. Student Answer: Merkel cells Basal cells Dendritic cells Melanocytes Squamous cells Question 38. Question : When the arrector pili muscles contract, Student Answer: "goose bumps" are formed. sweat is released from sweat glands. the skin changes color. hairs are shed. shivering occurs. Question 39. Question : Skin can regenerate effectively even after considerable damage has occurred because Student Answer: contraction in the area of the injury brings cells of adjacent strata together. cells of the stratum germinativum cannot migrate to other positions in the skin. the epidermis of the skin has a rich supply of small blood vessels. fibroblasts in the dermis can give rise to new germinal cells in the epidermis. stem cells persist in both epithelial and connective-tissue components of the skin even after injury. Question 40. Question : A full-thickness burn injury can be life threatening. A physician treating a burn victim would likely order all of the following, except Student Answer: IV (intravenous) fluids and electrolytes. skin grafts. a high-calorie diet. ice packs applied to the burn area. antibiotics. Question 41. Question : Stretch marks occur when Student Answer: athletes overextend a muscle. the hair follicles cease to produce hairs. the skin is so extensively stretched that its elastic limits are exceeded. the skin is stretched in normal movements. surgical incisions are made perpendicular to the skin's lines of cleavage. Question 42. Question : An important vitamin that is formed in the skin when it is exposed to sunlight is Student Answer: vitamin A. vitamin B. vitamin C. vitamin D. vitamin E. Question 43. Question : A child who skins his knee in a fall has a(n) Student Answer: puncture. contusion. laceration. incision. abrasion. Question 44. Question : Rickets can be prevented by Student Answer: adequate sunlight. dietary intake of cholecalciferol. avoiding sunlight. A or B B or C Question 45. Question : Large quantities of keratin are found in the epidermal layer called the Student Answer: stratum granulosum. stratum lucidum. stratum germinativum. stratum spinosum. stratum corneum. Question 46. Question : ________ sweat glands are widely distributed across the body surface, ________ glands are located wherever hair follicles exist, and ________ sweat glands are found only in a few areas. Student Answer: Merocrine; sebaceous; apocrine Apocrine; sebaceous; merocrine Apocrine; merocrine; sebaceous Sebaceous; merocrine; apocrine Merocrine; apocrine; sebaceous Question 47. Question : The repair of the epidermis after a wound begins as basal cells produce new Student Answer: keratinocytes. reticular fibers. collagen fibers. elastic fibers. dense connective tissue. Question 48. Question : The effects of aging on the skin include Student Answer: thickening of the epidermis. an increased number of sweat glands. increased production of vitamin D. a decline in the activity of sebaceous glands. an increased blood supply to the dermis. Question 49. Question : While assessing a patient, you discover that after pinching the skin on the back of the hand, it remains peaked. This is a sign of Student Answer: advanced skin cancer. hydration intoxication. dehydration. water intoxication. malfunctioning elastin. Question 50. Question : Merocrine sweat contains ________ to protect against bacteria. Student Answer: water dermicidin organic nutrients metabolic wastes penicillin Question 51. Question : In a penetrating wound, ________ divide to produce mobile cells that repair the dermis. Student Answer: granulation cells fibroblasts muscle cells macrophages dendritic cells Question 52. Question : The ________ glands in the axilla become active at the time of puberty. Student Answer: sebaceous apocrine sweat merocrine sweat ceruminous axillary Question 53. Question : If a fair-skinned person is sunburned, why does his or her skin turn red? Student Answer: The blood supply to the skin decreases. The blood flow to the skin increases. Melanocytes increase production of red pigments. The number of red melanocytes in the skin increases. Increased heat causes the skin to turn red. Question 54. Question : The following are stages in the regeneration of skin following an injury. 1. blood clot-scab formation 2. cellular migration 3. epidermis covers granulation tissue 4. epidermis covers scar tissue The correct order for these events is Student Answer: 4, 3, 2, 1. 4, 3, 1, 2. 1, 2, 3, 4. 2, 4, 1, 3. 3, 4, 1, 2. Question 55. Question : All of the following are true of the pigment melanin, except that it Student Answer: is usually some shade of brown or black. protects DNA from the damaging effects of UV radiation. decreases in concentration within cells during exposure to the sun. is produced by cells called melanocytes. increases with increased levels of the hormone MSH. Question 56. Question : The layer of the epidermis that contains abundant desmosomes is the Student Answer: stratum corneum. stratum spinosum. stratum germinativum. stratum granulosum. stratum lucidum. Question 57. Question : The highest concentration of merocrine sweat glands is found Student Answer: on the palms of the hands. on the upper back. surrounding the genitals. in the axillae. on the chest. Question 58. Question : Variations in hair color reflect differences in the pigment produced by Student Answer: carotene cells. soft keratin. keratinocytes. dermal papillae. melanocytes. Question 59. Question : All of the following are true of perspiration produced by merocrine sweat glands, except that it Student Answer: helps to prevent bacteria from colonizing the skin. produces the body odor characteristic of "sweating." is more than 99 percent water. contains electrolytes and waste products. helps cool the body when it evaporates. Question 60. Question : Glands that discharge an oily secretion into hair follicles are ________ glands. Student Answer: sebaceous merocrine sweat mammary apocrine sweat ceruminous