Ch5-Integumentary

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1. True/False. The stratum basale is the deepest epidermal layer, consisting of a single row of cuboidal/columnar like keratinocytes.

2. Are simple coiled tubular glands found in arm pits, groin, or bearded region of male face. A. Eccrine sweat glands B. Apocrine sweat glands C. Ceruminous glands D. Sudoiferous glands E. Sebaceous glands

3) True or False The second deeper part of the skin is the papillary region (a) True (b) False 4) are produced during the third month of fetal development as downward projections of the endodermis into the dermis between the dermal papillae of the papillary region. (a) Dermis (b) Epidermal ridges (c) Melanin (d) Dermatoglyphics

5) What is an abnormal thickening of the stratum corneum? (a)stratum lucidum (b) stratum corneum (c) keratinization (d) callus 6.What is the name for the yellow-red or brown-black pigment that contributes to skin color and absorbs damaging ultraviolet (UV) light? (A) Keratin (B) Melanocytes (C) Merkel Cells (D) Melanin

7. The Epidermis contains __blank__ principal types of cells: (A) Four (B) Eight (C) Three (D) Six

8. This is present only in the thick skin of areas such as the fingertips, palms, and soles. (A) Stratum Spinosum (B) Stratum Lucidum (C) Stratum Corneum (D) Stratum Granulosum

9. The study of dermatoglyphics is based upon which of the following biological concepts: A) The stratum granulosum is superficial to the stratum basale. B) Melanin can accumulate in patches called freckles or age spots. C) The rate of the hair growth and replacement cycle can be affected by chemotherapy and radiation therapy. D) The dermis is composed of strong connective tissue containing collagen and elastic fibers. E) The complex papillary surface of the dermis forms epidermal ridges.

10. __(Blank)__ ridges provide the basis for fingerprints and footprints. A) Dermal B) Subcutaneal C) Epidermal D) Hypodermal

11. The basal lucidium comprises the second layer of thick skin. A) True B) False

12). Which of the following would not be a part of deep wound healing? A). migratory phase B). proliferative phase C). pruritus D). fibrosis E). granulation tissue

13). When John arrived at the emergency room his right shoulder, arm, forearm, and hand was burned on both the anterior and posterior sides. His posterior trunk was also burned. What percentage of his body was not burned? A). 64% B). 73% C). 82% D). 91% E). 83%

14). Which is not an effect of aging? A. wrinkling B. loss of subcutaneous adipose tissue C. atrophy of sebaceous glands D. decrease in the # of Langerhans cells E. increase in the # of melanocytes

15). A patient has patches of red, blistering, dry, and itchy skin in the front of the elbow. Which diagnosis would be most likely? A. eczema B. keratosis C. pruritus D. hives C. rosacea

16). During which stage would the cells of the hair matrix stop dividing? A. resting stage B. growth stage C. terminal stage D. regression stage E. vellus stage

17.About 89% of epiermal cell are keratinocytes. A.true B false

18. If a patient has malignant melanomas, what method would you use and in what order?

A. (c) color irregular, (e) elevation, (b) borders irregular, (d) diameter, (a) asymmetrical B. (b) borders irregular, (e) elevation, (a) asymmetrical, (d) diameter, (c) color irregular C. (d) diameter, (a) asymmetrical, (e) elevation, (b) borders irregular, (c) color irregular D. (a) asymmetrical, (b) borders irregular, (c) color irregular, (d) diameter, (e) elevation

19. T/F. In the maturation phase of deep wound healing hypertrophic scarring and keloid scarring take place.

20. Which stage does it take 2-6 yrs; matrix cells produce length?

A. Trichotillomania B. Resting C. Growth D. Alopecia

21. T/F. The UV in sunlight increase melanin production.

22. Which is not a principle cell of the epidermis?

A. Merkel B. Avascular C. Melanocytes D. Langerhans

23. A burn patient at Mercy Hospital has a 3rd degree burn.Her anterior and posterior left crural and sural are burned.What percentage of the patient's body has been burned?

A.10% B. 9% C.18% D.12%

24.While Aidan was in gym class,he picked a scab off of his skin,exposing bare tissue.Which tissue type did Aidan expose after pulling the new scab, and what phase of wound healing was the epidermis going through at the time?

A. Granulation Tissue/Migratory Phase B. Nervous Tissue/Inflammatory Phase C. Smooth Muscle Tissue/Maturation Phase D.Granulation Tissue/Proliferative Phase

25. Michael has liver disease. The doctor upon diagnosing Michael checked his blood for any build ups of Bilirubin. Bilirubin is_? A. Oxygen carrying Pigment B. Yellow Pigment C. Merkel Cell D. Langerhans Cell

26. True/False //Stratum Germinativum//,also known as //Stratum Lucidum// lies on the basement membrane next to dermis of skin? A. True B. False

27. What is true about stratum basale? A. Deepest layer B. Composed of a single row of cuboidal or columnar keratinocytes that contain scattered to no fileaments. C. Stem cells undergo cell division to produce new keratinocytes. D. Melanocytes and merkel cells associated with Merkel discs are scattered among the keratinocytes. E. All of the above.

28. How does the epidermal layer receive nutrients without blood vessels? A. Capillaries in Meissner Corpuscles reach up to the epidermis to diffuse nutrients through tissue B. Sebaceous glands release nutrients C. Lamellated Corpuscles release nutrients D. Capillaries in the Dermal Papillae reach up to the epidermis and nutrients diffuse through tissue 29. The connective tissue layer of the dermis is made up of what fibers? A. Collagen fibers and elastic fibers B. Collagen fibers and reticular fibers C. Reticular fibers D. Elastic fibers 30. The average time it takes for keratinized cells to move upward is? A. 6-8 months B. 5-7 days C. 2-4 weeks D. 1 year 31. This layer is can be described as the transitional layer between live and dead cells. A. Stratum cornum B. Stratum basale C. Stratum granulosum D. Stratum lucidum 32. Merkel cells are easily damaged by UV. A. True B. False 33. The definition of describes the death a cell goes through as it fills with keratin A. Phagocytosis B. Macrophage C. Apocytes D. Apoptosis 34. In skin, what is the active form of Vitamin D?

A. calcium

B. calcitriol

C. melanin

D. merkel cells

35. The consists of 3-5 laters of flattened, clear, dead keratinocytes.

A. Stratum Lucidum

B. Stratum Basale

C. Stratum Spinosum

D. Stratum Corneum

E. Stratum Granulosum

36. On a hot humid day Ray is working out in the yard. That morning he forgot to put on deodorant and is sweating freely from his armpit. What type of sweat is he producing? A. Eccrine B. Axilary C. Adipose D.Apocrine

37. Where could you find appocrine sweat glands? A. Axilla B. Groin C. Palm of your hand D. A and B are correct

38. True or False. When second degree burn occurs, a blister forms and the following structures are not injured: hair follicles, sebaceous glands, and sweat glands.

39. Since birth July has had the signs of being very pale, her eye color is a clear light blue and her hair is white, and she has always been photophobic or sensitive to light. The doctors say she has albinism which is the inherited inability of an individual to produce melanin. Is this True or False? [] A. True B. False

40. Mary noticed that Tom had a pungent smell. What role did his sudoriferous glands play to make Tom smell musky? A. Tom's eccrine glands were overly working B. Mary made Tom emotionally sweat C. Bacteria metabolized sweat from Tom's apocrine sweat glands D. Tom's apocrine sweat glands produced to many lipids and proteins

41.A 40 year-old man is involved in a fire. His entire right thigh, leg, and foot along with his posterior right shoulder, arm, forearm, and hand was burned. what percent of the man's body was burned? A. 45% B. 27% C. 36% D. 54%

42. In the development of skin at what stage could you find the hair to be at week 16? A. hair root has not yet developed B. hair shaft is present, but not visible at surface of skin C. hair is visible at surface of skin

43. The police were able to convict a criminal of murder due to the remanence of epidermal ridges that were left at the scene of the crime. What procedure did the police use? A. Question and Answer B. Dermatoglyphics C. Amount of melanin D. Keratinization

44. If a person's melanocytes were unable to produce tyrosinase, they would be considered to have __?__ A. Jaundice B. Vitiligo C. Albinism D. Cyanotic

45. Dermal tears due to excessive and extreme stretching are called ? A. Hirsutism B. Striae C. Cerumen D. Vasodilation E. Keloid

46. Which of the following does not occur in the Migatory phase of deep wound healing? A. Collagen become more organized B. Damaged blood vessels begin to grow C. Epithelial cells bridge the wound beneath the scab D. The blood clot starts to form a scab E. Fibroblasts form scar tissue

47. Aaaahh! My immune system is attacking my melanocytes! What disease is this and what will happen to my skin? A. Albinism; you will have very pale skin and dark patches B. Jaundice; you will have yellow patches all over your skin C. Pallor; you will have pale skin D. Vitiligo; you will have white, irregular patches all over your skin

48. Alex the emo kid pushed a safety pin down into the fourth layer of his epidermis. Which layer of epidermis was Alex in? (A) //Stratum basale// (B) //Stratum spinosum// (D) //Stratum lucidum// (A) //Stratum granulosum// //49. A// woman is rushed to the hospital with 3rd degree burns on both of her legs. What percentage of her body has been damaged? A. 7% B. 9% C. 12% D. 18%

50. are most plentiful in the epidermis of the penis,nipples of the breast, areolae, face, and limbs. A. melanocytes B. keratinocytes C.merkel cells D. lamellar granules

51. 3-5 layers of clear, flat, dead kerinocytes are located in which layer of the epidermis? A. Stratum Spinosum B.Stratum Basale C. Stratum Granulosum D.Stratum Lucidum

52. Corey has an immune system malfunction where his antibodies are attacking his melanocytes. Which condition does Corey have? A. Albinism B. Vitiligo C. Both a & b D. none of the above

53. Which of the following is not a component of the epidermis of thin skin? A. Keratin B. Melanosomes C. Kerantinized cells D. Capillaries

54. If a person were to chip a nail, what two structures would they most likely chip? A. Free edge and Eponychium B. Eponychium and Lunula C. Nail Rooat and Lunula D. Free edge and nail body

55. This layer of the skin serves as a storage depot for fat and contains large blood vessels that supply the skin. What am I? A. subcutaneous layer B.pacinian (lamellated) corpuscles C. hypodermis D. both A&C

56. Charlie Dean had massive skin wounds all over his body. Alarge area of his stratum basale and his stem cells were destroyed. What does Charlie Dean needs in order to survive? A. merkel cells B. stratum corneum' C. life support D. skin graft

57. Someone who has liver disease and also appears to have a yellowish tint to their skin and the whites of there eyes, may be diagnosed with which of the following? A. Erythema B. Cyanosis C. Jaundice D. Albinism

58. Which layer of the skin would be absent when looking at a picture of thin skin? A.Stratum Lucidum B. Stratum Spinosum C. Stratum Corneum D. None of the above

59. The skin can contribute to thermoregulation in which way? A. By excreting substances from the body B. By adjusting the flow of blood in the dermis C. By allowing materials from the external environment into body cells D. By allowing the absorption of calcium E. All of the above

60. Which glands secrete sweat directly through the skin? A. Mammary Glands B. Apocrine Glands C. Eccrine Glands D. Sebaceous Glands E. Ceruminous Glands

61. This layer of the epidermis contains dead keratinocytes: A. Stratum lucidum B. Stratum Spinosum C. Stratum Basale D. None of the above

62. The epidermis consists of five layers of cells, each layer with a distinct role to play. Which of the following layers is responsible for cell division and replacement? a) Stratum corneum b) Stratum granulosum c) Stratum germinativum d) Stratum lucidum

63. Blisters form in second‑degree burns because: a) the epidermis and dermis separate, and tissue fluid accumulates between the layers. b) the dermal papillae extend through the damaged epidermis, and are exposed to the external environment. c) damaged nerve endings swell. d) accumulated tissue fluid is necessary for scar formation. e) the cells of the stratum basale are reproducing at such a rapid rate.

64. During deep wound healing, mesenchyme cells that migrate to the site of injury during the inflammatory phase will develop into: a) keratinocytes. b) melanocytes. c) fibroblasts. d) phagocytes. e) collagen fibers.

65. The Papilla of the root contains many blood vessels that nourish the growing hair follicle.
a.True b.False

66. In electrolysis, an electric current is used to destroy the bulb of the hair so the hair cannot regrow. a.True b.False

67.The eponychium is found beneath the free edge of the nail. It is a thickened region of stratum corneum.

a.True b.False

68. Alopecia is also called Hirsutism.

a.True b.False 69. Nails are plates of tightly packed, soft, dead keratinized epidermis cells that form a clear, solid covering over the dorsal surfaces of the posterior of the digits.

A. True B. false

70. Which of the following is not a function of the skin?

A. Synthesis vitamin E   B. Defense against disease organisms C. Regulation of body temperature D. Excretion of water and salts 71. Mr. Dixie was diagnosed with skin cancer. What type of cancer is associated with changes of a mole?

A. Malignant melanoma B. Columnar cell carcinoma C. Squamous cell carcinoma D. Basal cell carcinoma 72. Which of the following would not contribute to hair lost? A. Genetic Factors B. Chemotherapy C. Minoxidil D. Aging E. Endocrine disorder

73. A person severely burned on his anterior trunk and the entire portion of both arms. What percentage of his body is burned? A.18% B.27% C.36% D.64% E.72% 74. Perry’s wound healed that such the scar raised and extended beyond the boundaries into normal surrounding tissues. His scar is_? a. keloid b. hypertrophic c. fibrotic d. migratory

75. In Eccrine Sweat Glands, secretion is more viscous and is mostly in subcutaneous layer. a. True b. False

76. The dermis houses an extensive network of blood vessels that carry 8-10% of the total blood flow in resting adults. What is skin acting as? a. blood protection b. blood reservoir c. thermoregulator d. blood regulator

77. The extreme stretching of the skin produces small tears in the dermis causing striae or stretch marks, visible red or silvery white streaks on the skin surfaces. a. True b. False

78. The stratum basale which is the deepest layer of the epidermis, presents only in the skin of fingertips, palms and soles? a. True b. False  79. The shaft and root of the hair both consist of what three concentric layers of cells? A) Medulla, Cortex, Bulb  B) Cortex, Cuticle, Follicle   C) Medulla, Cuticle, root sheath   D) Medulla, Cortex, Cuticle   80. Which phase of deep wound healing is characterized by extensive growth of epithelial cells beneath the scab? A) Inflammatory  B) Migratory   C) Proliferative   D) Maturation   81. Brittany was in a car accident which resulted in a fire. When she arrived to the emergency room, doctors concluded that her anterior and posterior trunk has been severely burned. What percentage of Brittany's body was burned? A) 4.5%  B) 36%   C) 18%   D) 9% 82. Which of the following is __**NOT**__ a characteristic of sebaceous glands? A. Secrete Sebum B. Have simple branched glands C. Found in dermis, except in palms & soles d. None of the Above

83. The Dermis does not continually shred & regenerate itself as does the epidermis

True or False 84. What skin condition causes the stratum corneum layer of the epidermis to thicken far beyond limits?

a. Onycholysis b. hyperkeratosis c. melanitis d.impetigo 85. Hair alternates between periods of growth and rest.

True or False

86. Which of the following is true about the Dermoepidermal Junction (DEJ)

a. basement membrane w/ unique fibrous elements b. has a polysaccharide gel serve to “glue” the epidermis to the dermis below c. serves as partial barrier to the passage of some cells and large molecules d. all of the above 87. A young boy scout cut his finger using his pocket knife. The wound bled for over twenty minutes with applied pressure. Upon arrival at the emergency room, the examining physician explains that stitches will aid the healing process. This is most likely because: A. Boys hate scars. B. The wound will be closed and protected from invading bacteria. C. The wound penetrated the epidermal layer. D. Collagen fibers are less elastic in young children. 88. What are some differences in hair patterns between men and women? A. There is less vellus hair on women as compared to men because of the effects of androgens. B. There is a longer anagen stage for men because of cell division in the hair matrixes. C. There is less lanugo hair on women as compared to men because of fetal gestational compromise. D. There is a greater chance of androgenic alopecia in men as compared to women because of the effects of androgens. 89. What absorbs UV light and also contributes to the color of skin. A. Pigment in the stratum lucidum B. Hemoglobin in capillaries of the dermis C. Keratinocytes in the epidermis D. Melanin in the melanocytes

90. Gray hair and changes in skin pigmentation in older people are due to <span style="display: block; font-family: 'Times New Roman','serif'; margin: 0in 0in 10pt 0.25in;">A .Change in the DNA of skin cells due to poor diet <span style="display: block; font-family: 'Times New Roman','serif'; margin: 0in 0in 10pt 0.25in;">B. Over exposure to the sun <span style="display: block; font-family: 'Times New Roman','serif'; margin: 0in 0in 10pt 0.25in;">C. Decrease in the number of functioning melanocytes <span style="display: block; font-family: 'Times New Roman','serif'; margin: 0in 0in 10pt 0.25in;">D. Decreased circulation in the dermis

91. These cells are also sometimes referred to as "sentinel cells". A. Melanocytes B. Merkel C. Thrombocytes D. Langerhans <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">92. During step 4 of skin repair, which cells in the dermis continues to create scar tissue? <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">a) chondroblasts  <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">b) melanocytes <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">c) granulocytes  <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">d) fibroblasts <span style="display: block; font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 115%;">93. An increase in malignant melanomas is likely due to which of the following? <span style="font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 115%;">a) albinism  <span style="font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 115%;">b) global atmospheric ozone depletion <span style="font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 115%;">c) predisposition to cyanosis  <span style="font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 115%;">d) none of the above   <span style="font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 115%;">94. Langerhans and Merkel Cells are located in the _. <span style="font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 115%;"> A. Subcutaneous layer <span style="font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 115%;"> B. Dermis  <span style="font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 115%;"> C. Epidermis  95. Sue wears a contraceptive patch. Since the stratum corneum serves as the major barrier to penetration of transdermally administered drugs, Sue wears the patch on her lower abdomen, an area where this layer is thin. The patch works because the contraceptive medicine passes across the _ and into the blood vessels of the ___. A. Hypodermis;Dermis B. Dermis;Epidermis C. Epidermis;Hypodermis D. Epidermis;Dermis 96. Which of the following is a disease characterized by hyperactive sebaceous glands and often associated with dandruff? A. keloid B. seborrhea C. eczema D. urticaria

97. What part of the nail is affected by a hangnail? A. hyponychium B. eponychium C. lanula D. phalanx

98.Which is **NOT** a characteristic of a serous membrane? A. lines body cavities that lack openings to the outside B. made up of epithelium and loose connective tissue C. includes oral and nasal cavities and openings to the digestive, respiratory, reproductive, and urinary systems D. secrets serous fluid which acts as a lubricant

Answers 1.A 2.A 3.B 4.B 5. D 6. D 7. A 8. B 9. E 10 C 11. B 12. C 13. B 14. E 15. A 16. D 17.B 18. D 19. F 20. C 21. T 22. B 23.C 24.A 25. B 26. B 27. E 28. D 29.A 30.C 31.C 32.B 33D 34.B 35.A 36.D 37. D 38. True 39. A 40.C 41.A 42.B 43. B 44.C 45. B 46. A 47. D 48. B 49. D 50. A 51.D 52. B 53. D 54. D 55. D 56. D 57. C 58. A 59. B 60. C 61. D 62. C 63. A 64. C 65.B 66.B 67.B 68.B 69.B 70.A 71.A 72. C 73. C 74. A 75. B 76. B 77. A 78. B 79. D 80. C 81. B 82. D 83. True 84. B 85. True 86. D 87. B 88. D

<span style="display: block; font-family: 'Times New Roman','serif';">89. D <span style="display: block; font-family: 'Times New Roman','serif';">90. C <span style="display: block; font-family: 'Times New Roman','serif';">91. D <span style="display: block; font-family: 'Times New Roman','serif';">92.D <span style="display: block; font-family: 'Times New Roman','serif';">93.B <span style="display: block; font-family: 'Times New Roman','serif';">94. C <span style="display: block; font-family: 'Times New Roman','serif';">95. D <span style="display: block; font-family: 'Times New Roman','serif';">96. B <span style="display: block; font-family: 'Times New Roman','serif';">97. B <span style="display: block; font-family: 'Times New Roman','serif';">98. C