Question 1

________ is a small connective tissue peg that contains nerve endings and blood vessels.

Accepted Answer

A) Hair medulla 
B) Hair bulb 
C) Hair papilla 
D) Hair matrix 
E) Hair cuticle 
A) Hair medulla 
B) Hair bulb 
C) Hair papilla 
D) Hair matrix 
E) Hair cuticle

Question 2

Where does nail production occur?

Accepted Answer

A) At the lunula 
B) At the cuticle 
C) At the eponychium 
D) At the hyponychium 
E) At the nail root 
A) At the lunula 
B) At the cuticle 
C) At the eponychium 
D) At the hyponychium 
E) At the nail root

Question 3

A 32-year-old woman is admitted to the hospital with third-degree burns on her entire right leg,entire right arm,and the back of her trunk.Estimate the percentage of her body surface area affected by these burns.

Accepted Answer

A) 9% 
B) 18% 
C) 36% 
D) 45% 
E) 91% 
A) 9% 
B) 18% 
C) 36% 
D) 45% 
E) 91%

Question 4

What is the survival rate of a localized malignant melanoma that is detected and removed in the early stages of the cancer?

Accepted Answer

A) Above 95% 
B) 75% 
C) 60% 
D) 40% 
E) less than 20% 
A) Above 95% 
B) 75% 
C) 60% 
D) 40% 
E) less than 20%

Question 5

The nail body covers the

Accepted Answer

A) nail root. 
B) nail bed. 
C) lunula. 
D) free edge. 
E) hyponychium. 
A) nail root. 
B) nail bed. 
C) lunula. 
D) free edge. 
E) hyponychium.

Question 6

All of the following are correct regarding hair growth cycle except that

Accepted Answer

A) a hair in the scalp grows for 2 - 5 years. 
B) a healthy adult with full head of hair may lose up to 100 hairs each day. 
C) during the active phase,the hair grows continuously. 
D) club hair is shed during follicle reactivation. 
E) the hair becomes club hair during regression phase. 
A) a hair in the scalp grows for 2 - 5 years. 
B) a healthy adult with full head of hair may lose up to 100 hairs each day. 
C) during the active phase,the hair grows continuously. 
D) club hair is shed during follicle reactivation. 
E) the hair becomes club hair during regression phase.

Question 7

Which of the following is a holocrine exocrine gland?

Accepted Answer

A) sebaceous 
B) apocrine 
C) merocrine 
D) mammary 
E) ceruminous 
A) sebaceous 
B) apocrine 
C) merocrine 
D) mammary 
E) ceruminous

Question 8

Describe the secretory method and functions of sebum.

Accepted Answer

A) merocrine; sebum lubricates hair and skin,protects the keratin of the hair shaft,and inhibits bacterial growth 
B) holocrine; sebum lubricates hair and skin,protects the keratin of the hair shaft,and inhibits bacterial growth 
C) apocrine; sebum lubricates hair and skin,protects the keratin of the hair shaft,and inhibits bacterial growth 
D) merocrine; sebum is important in thermoregulation and excretion of wastes 
E) endocrine; sebum is important in thermoregulation and excretion of wastes 
A) merocrine; sebum lubricates hair and skin,protects the keratin of the hair shaft,and inhibits bacterial growth 
B) holocrine; sebum lubricates hair and skin,protects the keratin of the hair shaft,and inhibits bacterial growth 
C) apocrine; sebum lubricates hair and skin,protects the keratin of the hair shaft,and inhibits bacterial growth 
D) merocrine; sebum is important in thermoregulation and excretion of wastes 
E) endocrine; sebum is important in thermoregulation and excretion of wastes

Question 9

The epidermis in the thin skin contains ________ layer(s)and in the thick skin contains ________ layers.

Accepted Answer

A) 1; 2 
B) 2; 3 
C) 3; 4 
D) 4; 5 
E) 5; 6 
A) 1; 2 
B) 2; 3 
C) 3; 4 
D) 4; 5 
E) 5; 6

Question 10

Scar tissue is the result of

Accepted Answer

A) large numbers of collagen fibers and relatively few blood vessels in the injured area. 
B) increased numbers of epidermal layers in the area of the injury. 
C) a thickened stratum basale in the area of the injury. 
D) increased numbers of fibroblasts in the injured area. 
E) a lack of sebaceous glands in the injured area. 
A) large numbers of collagen fibers and relatively few blood vessels in the injured area. 
B) increased numbers of epidermal layers in the area of the injury. 
C) a thickened stratum basale in the area of the injury. 
D) increased numbers of fibroblasts in the injured area. 
E) a lack of sebaceous glands in the injured area.

Question 11

________ 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.

Accepted Answer

A) Sebaceous; merocrine; apocrine 
B) Apocrine; merocrine; sebaceous 
C) Merocrine; sebaceous; apocrine 
D) Merocrine; apocrine; sebaceous 
E) Apocrine; sebaceous; merocrine 
A) Sebaceous; merocrine; apocrine 
B) Apocrine; merocrine; sebaceous 
C) Merocrine; sebaceous; apocrine 
D) Merocrine; apocrine; sebaceous 
E) Apocrine; sebaceous; merocrine

Question 12

A new mother notices that her 6-month-old infant has a yellow-orange complexion.Fearful that the child may have jaundice,she takes him to her pediatrician.After examining the child and learning about the infant's diet,the pediatrician declares him perfectly healthy and advises the mother to watch the child's diet.What is likely the cause for the change in skin color?

Accepted Answer

The infant probably has a fondness for v

Question 13

The combination of fibrin clot,fibroblasts,and extensive capillary network that is formed in injured skin is called

Accepted Answer

A) a scab. 
B) a keloid. 
C) granulation tissue. 
D) a clot. 
E) a lesion. 
A) a scab. 
B) a keloid. 
C) granulation tissue. 
D) a clot. 
E) a lesion.

Question 14

Why is a subcutaneous injection with a hypodermic needle a useful method of administering drugs?

Accepted Answer

The subcutaneous layer has a l

Question 15

Vitamin D3 formed within the skin has all of these effects on other organ systems except that it

Accepted Answer

A) is essential for absorption of calcium and phosphorus by the digestive system. 
B) functions as a precursor for the hormone calcitriol in the endocrine system. 
C) is essential for bone maintenance. 
D) functions in the activation of plasma cells by the lymphatic system. 
E) is essential for bone growth. 
A) is essential for absorption of calcium and phosphorus by the digestive system. 
B) functions as a precursor for the hormone calcitriol in the endocrine system. 
C) is essential for bone maintenance. 
D) functions in the activation of plasma cells by the lymphatic system. 
E) is essential for bone growth.

Question 16

Epidermal growth factor exerts all of the following effects on the epidermis except

Accepted Answer

A) promoting cell division. 
B) stimulating keratin synthesis. 
C) accelerating tissue repair. 
D) speeding up glandular function. 
E) stimulating melanin production. 
A) promoting cell division. 
B) stimulating keratin synthesis. 
C) accelerating tissue repair. 
D) speeding up glandular function. 
E) stimulating melanin production.

Question 17

A fibrin clot that is formed over a skin wound is called

Accepted Answer

A) a scab. 
B) a keloid. 
C) granulation tissue. 
D) a clot. 
E) a lesion. 
A) a scab. 
B) a keloid. 
C) granulation tissue. 
D) a clot. 
E) a lesion.

Question 18

Which exocrine glands are in the integument?

Accepted Answer

A) Sweat glands and salivary glands 
B) Mammary glands and salivary glands 
C) Sweat glands and sebaceous glands 
D) Mucous glands and sebaceous glands 
E) Mucous glands and sweat glands 
A) Sweat glands and salivary glands 
B) Mammary glands and salivary glands 
C) Sweat glands and sebaceous glands 
D) Mucous glands and sebaceous glands 
E) Mucous glands and sweat glands

Question 19

Why does exposure to sunlight or sunlamps darken skin?

Accepted Answer

A) UV radiation stimulates melanocytes to produce more melanin. 
B) UV radiation stimulates melanocytes to produce more melatonin. 
C) UV radiation stimulates keratinocytes to produce more carotene. 
D) UV radiation stimulates keratinocytes to produce more keratin. 
E) UV radiation stimulates melanocytes to produce more melanin and keratinocytes to produce more keratin. 
A) UV radiation stimulates melanocytes to produce more melanin. 
B) UV radiation stimulates melanocytes to produce more melatonin. 
C) UV radiation stimulates keratinocytes to produce more carotene. 
D) UV radiation stimulates keratinocytes to produce more keratin. 
E) UV radiation stimulates melanocytes to produce more melanin and keratinocytes to produce more keratin.

Question 20

The two components of the integumentary system are the

Accepted Answer

A) epidermis and dermis. 
B) cutaneous membrane and hypodermis. 
C) cutaneous membrane and accessory structures. 
D) integument and hypodermis. 
E) epidermis and superficial fascia. 
A) epidermis and dermis. 
B) cutaneous membrane and hypodermis. 
C) cutaneous membrane and accessory structures. 
D) integument and hypodermis. 
E) epidermis and superficial fascia.

Exam 5: The Integumentary System

________ is a small connective tissue peg that contains nerve endings and blood vessels.

Where does nail production occur?

A 32-year-old woman is admitted to the hospital with third-degree burns on her entire right leg,entire right arm,and the back of her trunk.Estimate the percentage of her body surface area affected by these burns.

What is the survival rate of a localized malignant melanoma that is detected and removed in the early stages of the cancer?

The nail body covers the

All of the following are correct regarding hair growth cycle except that

Which of the following is a holocrine exocrine gland?

Describe the secretory method and functions of sebum.

The epidermis in the thin skin contains ________ layer(s)and in the thick skin contains ________ layers.

Scar tissue is the result of

________ 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.

The combination of fibrin clot,fibroblasts,and extensive capillary network that is formed in injured skin is called

Why is a subcutaneous injection with a hypodermic needle a useful method of administering drugs?

Vitamin D3 formed within the skin has all of these effects on other organ systems except that it

Epidermal growth factor exerts all of the following effects on the epidermis except

A fibrin clot that is formed over a skin wound is called

Which exocrine glands are in the integument?

Why does exposure to sunlight or sunlamps darken skin?

The two components of the integumentary system are the

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

Bones and Bone Structure

The Skeleton

Joints

Skeletal Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain, cranial Nerves, and Sensory and Motor Pathways

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Heart and Cardiovascular Function

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, nutrition, and Energetics

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

The epidermis in the thin skin contains layer(s)and in the thick skin contains layers.

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.