Integumentary Test

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12. The structures of the integumentary system involved in protection is(are)

Hair

Skin

Nails

All of the above

13. Regulating heat exchange with the environment is the mechanism that the skin uses to

Maintain normal body temperature

Prevent excessive loss of body fluids

Maintain large reserves of lipids

Transmit information to the nervous system

14.
Stem cells and melanocytes dominate the stratum germinativum, making it the layer where

New cells are generated and skin colors are synthesized

The protein keratin produces cornified cells

Dead epithelial cells accumulate in large amounts

The cells are flattened, densely packed, and filled with keratin

15. The immediate response by the skin to an injury is that

Bleeding occurs, and mast cells trigger an inflammation response

The epidermal cells are immediately replaced

Fibroblasts in the dermis create scar tissue

A scab is formed

16. Accessory structures of the skin include

The dermis, epidermis, hypodermis, subcutaneous layer, and hair follicles

A cutaneous and subcutaneous layer, dermis, epidermis, and hair

Hair, hair follicles, sebaceous glands, sweat glands, and nails

Blood vessels, macrophages, neurons, hair papillae, and the cuticle

17. Hair turns gray or white due to

A decline in glandular activity

A decrease in the number of Langerhan cells

Decreased melanocyte activity

Decreased blood supply to the dermis

18. Sagging and wrinkling of the integument results from

A decline of germinativum cell activity in the epidermis

A decrease in the elastic fiber network of the dermis

A decrease in Vitamin D production

Deactivation of sweat glands

19. The layers of the epidermis, beginning with the deepest layer and proceeding outwardly, include the strata

Corneum, granulosum, spinosum, germinativum

Granulosum, spinosum, germinativum, corneum

Spinosum, germinativum, corneum, granulosum

Germinativum, spinosum, granulosum, corneum

20. Choose the term that does not belong in each of the following groups

Touch

Pain

Secretion

Pressure

Temperature

21. The appearance of blisters and very painful sensations is indicative of

A first degree burn

A second degree burn

A third degree burn

None of the above

22. Receptors in the skin represent the

Method by which body temperature is maintained

Release of chemicals from metabolism

Areas of synthesis and storage of nutrients

Link between the integument and the nervous system

23. The shaft of the hair is stiff due to the presence of a protein substance called

Elastin

Collagen

Keratin

Vellus

24. Choose the term that does not belong in each of the following groups

Dermis

Germinativum

Spinosum

Granulosum

Lucidum

25. The sensitivity mechanism in hair follicles that provides an early warning system that may help prevent injury is the presence of a

Cortex and medulla making up the core of the hair

Cuticular surface layer of cells

Sensory nerve fiber associated with the base of each hair follicle

Hairs are nonliving; there is no sensitivity mechanism

26. Choose the term that does not belong in each of the following groups

Increased immunity

Dry skin

Gray hair

Wrinkling

Weak muscles

27. Choose the term that does not belong in each of the following groups

Cuticle

Arrector pili

Lunula

Nail root

Eponychium

28. When body temperature becomes abnormally high, thermoregulatory homeostasis is maintained by

An increase in sweat gland activity and blood flow to the skin

A decrease in blood flow to the skin and sweat gland activity

An increase in blood flow to the skin and a decrease in sweat gland activity

An increase in sweat gland activity and a decrease in blood flow to the skin

29. The two functional components of the integument include

Dermis and Epidermis

Hair and Skin

Cutaneous membrane and accessory structures

Elastin and Keratin

30. Natural body odor is produced by the ___________________ glands

Apocrine

Eccrine

Sebaceous

Sweat

31. Hair production begins at the

Reticular layer of the dermis

Papillary layer of the dermis

Hypodermis

Base of a hair follicle

32. The fine "peach fuzz" hairs formed over much of the body surface are called

Vellus

Lunula

Arrector pili

Eccrines

33. Epidermal cells in the stratum spinosum and stratum germinativum function as chemical factories in that they convert

Steroid precursors to vitamin D when exposed to sunlight

Eleidin to keratin

Keratohyalin to eleidin

A and c only

34. Melanin prevents skin damage due to UV light by

Covering and protecting the epidermal layers

Absorbing UV light

Protecting the nuclei of epidermal cells

B and c are correct

35. Excessive exposure to UV light may cause

A decrease in the number of melanocytes.

An increase in the number of melanocytes

A decrease in vitamin D production

Damage to the DNA in cells in the stratum germinativum

36. During adolescence, the sebaceous glands are especially prone to

Producing excessive perspiration while sweating

Developing acne

Causing redness of the skin due to blood vessel dilation

All the above are correct

37. Differences in skin color among individuals reflect

Numbers of melanocytes

Melanocyte distribution patterns

Levels of melanin synthesis

UV responses and nuclear activity

38. Other types of modified sweat glands with specialized secretions are

Holocrine glands and sudoriferous glands

Mammary glands and ceruminous glands

Merocrine glands and eccrine glands

Endocrine and exocrine glands

39. Dangerously high body temperatures occur sometimes in the elderly due to

Reduction in the number of Langerhan cells

Decreased blood supply to the dermis

Decreased sweat gland activity

B and c only

40. The two pigments contained in the epidermis in variable amounts are

Melanin and keratin

Carotene and keratin

Vitamin D and melanin

Carotene and melanin

41. The practical limit to the healing process in the skin is the formation of inflexible, fibrous, noncellular

Scabs

Skin gafts

Ground substance

Scar tissue

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43. Excessive perspiration to maintain normal body temperature may cause

Excessive secretion of sebum by sebaceous glands

Dangerous fluid and electrolyte losses

The apocrine glands to discharge a sticky, cloudy, odorous secretion

All of the above are correct

44. Choose the term that does not belong in each of the following groups

Hair follicles

Melanocytes

Sebaceous glands

Sweat glands

Nails

45. Choose the term that does not belong in each of the following groups

Protect

Cushion

Stabilize

Insulate

Guard

46. Albinos have

No melanocytes

Fewer melanocytes than non-albinos

The same number of melanocytes as non-albinos

Overactive melanocytes

47. Perspiration (or sweat) produced by eccrine sweat glands consists of

50 percent water, 1 percent sebum, 40 percent wastes, and 9 percent nutrients

90 percent water, 5 percent electrolytes, and 5 percent wastes and nutrients

1 percent sebum, 9 percent wastes and nutrients, and 90 percent water

99 percent water, and 1 percent electrolytes, organic nutrients, and wastes

48. The various types of hair are due to the

Arrector pili

Follicles

Hair papilla

Melanocytes

49. Some people only "burn" when exposed to the sun. The reason they don't tan is that

They do not have a gene for tanning

Their melanocytes are inactive

They don't have a sufficient number of melanocytes

All of the above are true

50. A factor that causes increased skin damage and infection in the elderly is

Decreased sensitivity of the immune system

Decreased vitamin D production

A decline in melanocyte activity

A decline in glandular activity

51. Choose the term that does not belong in each of the following groups

Apocrine

Merocrine

Sebaceous

Eccrine

Sweat

52. Dermal blood supply and epidermal pigmentation are the two basic factors interacting to

Produce melanocytes and provide skin coloration

Provide oxygen and carbon dioxide for skin respiration

Produce skin pigments and avoid albinism

Produce skin color

53. Choose the term that does not belong in each of the following groups

Protection

Fat storage

Excretion

Secretion

Cutaneous

54. Cooling the surface of the skin and producing perspiration is the primary function of

Ceruminous gland activity

Sebaceous gland activity

Apocrine gland activity

Merocrine gland activity

55. Hairs are best described as

Living structures that are produced in the dermis and extend into the epidermis

Nonliving epithelial cells that undergo keratinization and die

Living structures containing a cortex and medulla

Nonliving structures produced in organs called hair follicles

56. The granulation tissue that appears during the healing process is a combination of

A scab, fibrin, and macrophages

A keloid, a blood clot, and newly arriving phagocytes

A blood clot, fibroblasts, and an extensive capillary network

Macrophages, fibroblasts, pathogens, and phagocytes

57. Except for red hair, the natural factor responsible for various shades of hair color is

The number of melanocytes

The amount of carotene production

The type of pigment present

All of the above

58. An essential part of the healing process during which the edges of a wound are pulled closer together is called

Cyanosing

Regressing

Regeneration

Contraction

59. The development of gray hair is due to the

Death of hair follicles

Production of air bubbles in the hair

Production of gray pigments

Reduction of melanocyte activity

60. Choose the term that does not belong in each of the following groups

Papillary

Reticular

Collagen

Dermis

Epidermis

61. Excessive exposure to UV light may damage

Cellular DNA, resulting in mutations

Connective tissue and cause wrinkling

Chromosomes and cause cancer

All of the above

62. If body temperature drops below normal, heat is conserved by _______________ in the diameter of dermal blood vessels

An increase

No change

A decrease

None of the above are correct

63. Choose the term that does not belong in each of the following groups

Sebaceous

Holocrine

Acne

Sebum

Apocrine

Integumentary Test

1. The pigment that absorbs ultraviolet radiation before it can damage mitochondrial DNA is

2.

What first name or nickname would you like us to use?

2. The accessory structures that prevent the entry of foreign particles into the eye are the

3. The arrector pili are muscles of the integument involved in creating

4. Protection for the tips of the fingers and toes is provided by the

5. Hair develops from a group of epidermal cells at the base of a tubelike depression called a(n)

6. Melanocytes begin producing melanin when they are exposed to

7. The layer where the skin is thick, such as the palms of the hands and soles of the feet, is called the

8. In older Caucasians, the skin becomes very pale because of a decline in ________ activity

9. Melanocytes prevent skin damage due to UV light by protecting the______________ within the nuclei of epidermal cells

10. Keratin, a fibrous protein, would be found primarily in the

11. Small amounts of ultraviolet radiation are beneficial because it stimulates the synthesis of

12. The structures of the integumentary system involved in protection is(are)

13. Regulating heat exchange with the environment is the mechanism that the skin uses to

14. Stem cells and melanocytes dominate the stratum germinativum, making it the layer where

15. The immediate response by the skin to an injury is that

16. Accessory structures of the skin include

17. Hair turns gray or white due to

18. Sagging and wrinkling of the integument results from

19. The layers of the epidermis, beginning with the deepest layer and proceeding outwardly, include the strata

20. Choose the term that does not belong in each of the following groups

21. The appearance of blisters and very painful sensations is indicative of

22. Receptors in the skin represent the

23. The shaft of the hair is stiff due to the presence of a protein substance called

24. Choose the term that does not belong in each of the following groups

25. The sensitivity mechanism in hair follicles that provides an early warning system that may help prevent injury is the presence of a

26. Choose the term that does not belong in each of the following groups

27. Choose the term that does not belong in each of the following groups

28. When body temperature becomes abnormally high, thermoregulatory homeostasis is maintained by

29. The two functional components of the integument include

30. Natural body odor is produced by the ___________________ glands

31. Hair production begins at the

32. The fine "peach fuzz" hairs formed over much of the body surface are called

33. Epidermal cells in the stratum spinosum and stratum germinativum function as chemical factories in that they convert

34. Melanin prevents skin damage due to UV light by

35. Excessive exposure to UV light may cause

36. During adolescence, the sebaceous glands are especially prone to

37. Differences in skin color among individuals reflect

38. Other types of modified sweat glands with specialized secretions are

39. Dangerously high body temperatures occur sometimes in the elderly due to

40. The two pigments contained in the epidermis in variable amounts are

41. The practical limit to the healing process in the skin is the formation of inflexible, fibrous, noncellular

42. In older adults, dry and scaly skin is usually a result of a decrease in __________ activity.

43. Excessive perspiration to maintain normal body temperature may cause

44. Choose the term that does not belong in each of the following groups

45. Choose the term that does not belong in each of the following groups

46. Albinos have

47. Perspiration (or sweat) produced by eccrine sweat glands consists of

48. The various types of hair are due to the

49. Some people only "burn" when exposed to the sun. The reason they don't tan is that

50. A factor that causes increased skin damage and infection in the elderly is

51. Choose the term that does not belong in each of the following groups

52. Dermal blood supply and epidermal pigmentation are the two basic factors interacting to

53. Choose the term that does not belong in each of the following groups

54. Cooling the surface of the skin and producing perspiration is the primary function of

55. Hairs are best described as

56. The granulation tissue that appears during the healing process is a combination of

57. Except for red hair, the natural factor responsible for various shades of hair color is

58. An essential part of the healing process during which the edges of a wound are pulled closer together is called

59. The development of gray hair is due to the

60. Choose the term that does not belong in each of the following groups

61. Excessive exposure to UV light may damage

62. If body temperature drops below normal, heat is conserved by _______________ in the diameter of dermal blood vessels

63. Choose the term that does not belong in each of the following groups

14.
Stem cells and melanocytes dominate the stratum germinativum, making it the layer where