Question 1

Which of the following structures found in the skin help prevent water loss and inhibit bacterial growth on the surface of the skin?

Accepted Answer

A) Arrector pili 
B) Lunula 
C) Sweat glands 
D) Hair follicles 
E) Oil glands 
A) Arrector pili 
B) Lunula 
C) Sweat glands 
D) Hair follicles 
E) Oil glands

Question 2

John has just been brought into the emergency room following a fiery explosion at a chemical plant.He is diagnosed with third degree burns over the anterior surfaces of his arms and trunk.What specific structural damage has occurred to his skin? What risks to John's life have resulted from this damage?

Accepted Answer

The answer of John has just been brought into the...

Question 3

Which structures are dermal papillae?

Accepted Answer

A) A 
B) F 
C) G 
D) H 
E) I 
A) A 
B) F 
C) G 
D) H 
E) I

Question 4

This is a mixture of triglycerides,cholesterol,proteins and inorganic salts.

Accepted Answer

A) Sweat 
B) Lanugo 
C) Vellus 
D) Sebum 
E) Mucus 
A) Sweat 
B) Lanugo 
C) Vellus 
D) Sebum 
E) Mucus

Question 5

Which of the following best describes events that lead to the tanning of skin that occurs after exposure of the skin to the sun's UV radiation?

Accepted Answer

A) UV radiation stimulates increased numbers of melanocytes in the skin. 
B) UV radiation stimulates increased numbers of keratinocytes in the skin. 
C) UV radiation stimulates increased production of melanin by melanosomes. 
D) UV radiation inactivates tyrosinase activity in melanocytes. 
E) UV radiation stimulates increased production of carotenes by keratinocytes. 
A) UV radiation stimulates increased numbers of melanocytes in the skin. 
B) UV radiation stimulates increased numbers of keratinocytes in the skin. 
C) UV radiation stimulates increased production of melanin by melanosomes. 
D) UV radiation inactivates tyrosinase activity in melanocytes. 
E) UV radiation stimulates increased production of carotenes by keratinocytes.

Question 6

Which of the following structures found in the skin plays an important role in thermoregulation?

Accepted Answer

A) Merkel cells 
B) Sebaceous glands 
C) Sweat glands 
D) Nails 
E) Fingerprints 
A) Merkel cells 
B) Sebaceous glands 
C) Sweat glands 
D) Nails 
E) Fingerprints

Question 7

In the diagram,which is a melanocyte?

Accepted Answer

A) A 
B) B 
C) E 
D) F 
E) G 
A) A 
B) B 
C) E 
D) F 
E) G

Question 8

In the diagram of a hair root shown,where is the dermal root sheath?

Accepted Answer

A) C 
B) D 
C) E 
D) F 
E) G 
A) C 
B) D 
C) E 
D) F 
E) G

Question 9

In the photomicrograph of a portion of thick skin shown below,which layer is only seen in thick skin?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 10

Which structure is an eccrine sweat gland?

Accepted Answer

A) A 
B) F 
C) G 
D) H 
E) I 
A) A 
B) F 
C) G 
D) H 
E) I

Question 11

This epidermal cell has a role in immunity and disease resistance.

Accepted Answer

A) Langerhans cells 
B) Keratinocytes 
C) Melanocytes 
D) Merkel cells 
E) Podocytes 
A) Langerhans cells 
B) Keratinocytes 
C) Melanocytes 
D) Merkel cells 
E) Podocytes

Question 12

In the diagram of skin shown below,where is the sebaceous gland?

Accepted Answer

A) C 
B) D 
C) E 
D) F 
E) H 
A) C 
B) D 
C) E 
D) F 
E) H

Question 13

Which of the following terms refers to an irregular tear of the skin?

Accepted Answer

A) abrasion 
B) papule 
C) keloid 
D) laceration 
E) cyst 
A) abrasion 
B) papule 
C) keloid 
D) laceration 
E) cyst

Question 14

You stepped on a nail.List the sequential layers (or strata)of the epidermis that the nail penetrated through to finally reach the dermis.

Accepted Answer

A) basale,spinosum,granulosom,corneum 
B) granulosom,spinosum,lucidum,corneum,basale 
C) corneum,lucidum,granulosom,spinosum,basale 
D) corneum,granulosom,spinosum,basale 
E) corneum,granulosom,lucidum,spinosum,basale 
A) basale,spinosum,granulosom,corneum 
B) granulosom,spinosum,lucidum,corneum,basale 
C) corneum,lucidum,granulosom,spinosum,basale 
D) corneum,granulosom,spinosum,basale 
E) corneum,granulosom,lucidum,spinosum,basale

Question 15

In the diagram of skin shown below,where is the apocrine sweat gland?

Accepted Answer

A) C 
B) D 
C) E 
D) F 
E) H 
A) C 
B) D 
C) E 
D) F 
E) H

Question 16

In the photomicrograph of a portion of thick skin shown below,which layer is the stratum basale?

Accepted Answer

A) A 
B) B 
C) D 
D) E 
E) F 
A) A 
B) B 
C) D 
D) E 
E) F

Question 17

The hair root plexus functions to

Accepted Answer

A) support the growing hair. 
B) cause the hair shaft to become erect. 
C) stimulate sweat secretion. 
D) give rise to the hair matrix. 
E) assist hair in touch perception. 
A) support the growing hair. 
B) cause the hair shaft to become erect. 
C) stimulate sweat secretion. 
D) give rise to the hair matrix. 
E) assist hair in touch perception.

Question 18

Describe the major differences between thin skin and thick skin.

Accepted Answer

The answer of Describe the major differences between thin skin...

Question 19

List and briefly describe the major functions of the skin.

Accepted Answer

The answer of List and briefly describe the major functions...

Question 20

Describe the structure and function of the different types of exocrine glands found in the skin

Accepted Answer

The answer of Describe the structure and function of the...

Exam 5: The Integumentary System

Which of the following structures found in the skin help prevent water loss and inhibit bacterial growth on the surface of the skin?

Which structures are dermal papillae?

This is a mixture of triglycerides,cholesterol,proteins and inorganic salts.

Which of the following best describes events that lead to the tanning of skin that occurs after exposure of the skin to the sun's UV radiation?

Which of the following structures found in the skin plays an important role in thermoregulation?

In the diagram,which is a melanocyte?

In the diagram of a hair root shown,where is the dermal root sheath?

In the photomicrograph of a portion of thick skin shown below,which layer is only seen in thick skin?

Which structure is an eccrine sweat gland?

This epidermal cell has a role in immunity and disease resistance.

In the diagram of skin shown below,where is the sebaceous gland?

Which of the following terms refers to an irregular tear of the skin?

You stepped on a nail.List the sequential layers (or strata)of the epidermis that the nail penetrated through to finally reach the dermis.

In the diagram of skin shown below,where is the apocrine sweat gland?

In the photomicrograph of a portion of thick skin shown below,which layer is the stratum basale?

The hair root plexus functions to

Describe the major differences between thin skin and thick skin.

List and briefly describe the major functions of the skin.

Describe the structure and function of the different types of exocrine glands found in the skin

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Skeletal System: Bone Tissue

The Skeletal System: The Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor and Integrative Systems

The Special Senses

The Endocrine System

The Cardiovascular System: The Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System, Nonspecific Resistance to Disease, and Immunity

The Digestive System

Metabolism

The Urinary System

The Reproductive Systems

Development and Inheritance

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