Question 1

This is the dermal layer closest to the epidermis.

Accepted Answer

A)  epidermis 
B)  reticular layer 
C)  papillary layer 
D)  stretch marks 
E)  hypodermis 
A)  epidermis 
B)  reticular layer 
C)  papillary layer 
D)  stretch marks 
E)  hypodermis C

Question 2

The dermis

Accepted Answer

A)  contains no blood vessels. 
B)  functions as padding and insulation. 
C)  is divided into three distinct layers. 
D)  is responsible for most of the skin's structural strength. 
E)  does not contain connective tissue. 
A)  contains no blood vessels. 
B)  functions as padding and insulation. 
C)  is divided into three distinct layers. 
D)  is responsible for most of the skin's structural strength. 
E)  does not contain connective tissue. D

Question 3

This epidermal stratum has several layers of cells held together by desmosomes.

Accepted Answer

A)  stratum basale 
B)  stratum spinosum 
C)  stratum granulosum 
D)  stratum lucidum 
E)  stratum corneum 
A)  stratum basale 
B)  stratum spinosum 
C)  stratum granulosum 
D)  stratum lucidum 
E)  stratum corneum B

Question 4

Keratinization

Accepted Answer

A)  occurs in the dermis. 
B)  results in the formation of new epidermal cells. 
C)  produces a layer of cells that resist abrasion. 
D)  determines skin color. 
E)  does not affect permeability characteristics of the epidermis. 
A)  occurs in the dermis. 
B)  results in the formation of new epidermal cells. 
C)  produces a layer of cells that resist abrasion. 
D)  determines skin color. 
E)  does not affect permeability characteristics of the epidermis.

Question 5

Inflammation of the skin is called dermatitis or

Accepted Answer

A)  psoriasis. 
B)  decubitus ulcer. 
C)  bullae. 
D)  vitiligo. 
E)  eczema. 
A)  psoriasis. 
B)  decubitus ulcer. 
C)  bullae. 
D)  vitiligo. 
E)  eczema.

Question 6

Light-skinned races such as Caucasians have

Accepted Answer

A)  more melanocytes than races with darker skins. 
B)  fewer melanocytes than races with darker skins. 
C)  approximately the same number of melanocytes as races with darker skins. 
D)  more melanin in their skin. 
E)  a different kind of melanin in their skin. 
A)  more melanocytes than races with darker skins. 
B)  fewer melanocytes than races with darker skins. 
C)  approximately the same number of melanocytes as races with darker skins. 
D)  more melanin in their skin. 
E)  a different kind of melanin in their skin.

Question 7

By covering the whole body surface, the skin acts as a protective barrier and plays a role in

Accepted Answer

A)  excretion. 
B)  immunity. 
C)  circulation. 
D)  respiration. 
E)  digestion. 
A)  excretion. 
B)  immunity. 
C)  circulation. 
D)  respiration. 
E)  digestion.

Question 8

Eccrine sweat glands

Accepted Answer

A)  aid in cooling the body. 
B)  serve as "anchors" for the arrector pili muscles. 
C)  produce a secretion that oils the hair and skin. 
D)  produce a secretion that protects the body from growth of bacteria. 
E)  are not involved in the homeostasis of body temperature. 
A)  aid in cooling the body. 
B)  serve as "anchors" for the arrector pili muscles. 
C)  produce a secretion that oils the hair and skin. 
D)  produce a secretion that protects the body from growth of bacteria. 
E)  are not involved in the homeostasis of body temperature.

Question 9

Baldness

Accepted Answer

A)  occurs only in men. 
B)  is related to estrogen levels. 
C)  is related to levels of growth hormone. 
D)  is not genetic. 
E)  is more common in men than in women. 
A)  occurs only in men. 
B)  is related to estrogen levels. 
C)  is related to levels of growth hormone. 
D)  is not genetic. 
E)  is more common in men than in women.

Question 10

One type of experimental contraceptive device is a skin patch that contains a chemical absorbed through the skin. Which of the following substances might be the type of chemical involved?

Accepted Answer

A)  proteins 
B)  water-soluble substances 
C)  lipid-soluble substances 
D)  carbohydrates 
E)  amino acids 
A)  proteins 
B)  water-soluble substances 
C)  lipid-soluble substances 
D)  carbohydrates 
E)  amino acids

Question 11

-The diagram illustrates glands of the skin. What does "D" represent?

Accepted Answer

A)  apocrine sweat gland 
B)  sebaceous gland 
C)  eccrine sweat gland 
D)  duct of apocrine sweat gland 
E)  sweat pore 
A)  apocrine sweat gland 
B)  sebaceous gland 
C)  eccrine sweat gland 
D)  duct of apocrine sweat gland 
E)  sweat pore

Question 12

The skin discoloration most likely to result from liver disease is

Accepted Answer

A)  pallor. 
B)  erythema. 
C)  hematoma. 
D)  jaundice. 
E)  cyanosis. 
A)  pallor. 
B)  erythema. 
C)  hematoma. 
D)  jaundice. 
E)  cyanosis.

Question 13

This is the main fibrous layer of the dermis.

Accepted Answer

A)  epidermis 
B)  reticular layer 
C)  papillary layer 
D)  stretch marks 
E)  hypodermis 
A)  epidermis 
B)  reticular layer 
C)  papillary layer 
D)  stretch marks 
E)  hypodermis

Question 14

The layer of the epidermis in which there is the greatest amount of mitotic activity.

Accepted Answer

A)  stratum basale 
B)  stratum spinosum 
C)  stratum granulosum 
D)  stratum lucidum 
E)  stratum corneum 
A)  stratum basale 
B)  stratum spinosum 
C)  stratum granulosum 
D)  stratum lucidum 
E)  stratum corneum

Question 15

An expanded knob at the base of the hair root is the

Accepted Answer

A)  shaft. 
B)  cuticle. 
C)  hair bulb. 
D)  medulla. 
E)  root. 
A)  shaft. 
B)  cuticle. 
C)  hair bulb. 
D)  medulla. 
E)  root.

Question 16

Stretch marks develop on the abdomen of pregnant women because of stretching and rupture of the

Accepted Answer

A)  dermis. 
B)  epidermis. 
C)  melanocytes. 
D)  stratum corneum. 
E)  hypodermis. 
A)  dermis. 
B)  epidermis. 
C)  melanocytes. 
D)  stratum corneum. 
E)  hypodermis.

Question 17

That portion of the hair that extends above the surface of the skin is the

Accepted Answer

A)  shaft. 
B)  cuticle. 
C)  hair bulb. 
D)  medulla. 
E)  root. 
A)  shaft. 
B)  cuticle. 
C)  hair bulb. 
D)  medulla. 
E)  root.

Question 18

What will develop when the skin is subjected to excess friction or pressure?

Accepted Answer

A)  carcinoma 
B)  melanoma 
C)  papillae 
D)  stretch marks 
E)  callus 
A)  carcinoma 
B)  melanoma 
C)  papillae 
D)  stretch marks 
E)  callus

Question 19

Which of the following statements is true?

Accepted Answer

A)  Both the hair root and hair shaft contain living cells. 
B)  Undamaged hair follicles can help regenerate damaged epithelium. 
C)  The hair follicle has a hypodermal root sheath. 
D)  The matrix forms the hair surface. 
E)  The hair follicle is not associated with sebaceous glands. 
A)  Both the hair root and hair shaft contain living cells. 
B)  Undamaged hair follicles can help regenerate damaged epithelium. 
C)  The hair follicle has a hypodermal root sheath. 
D)  The matrix forms the hair surface. 
E)  The hair follicle is not associated with sebaceous glands.

Question 20

-The diagram illustrates glands of the skin. What does "A" represent?

Accepted Answer

A)  apocrine sweat gland 
B)  sebaceous gland 
C)  eccrine sweat gland 
D)  duct of apocrine sweat gland 
E)  sweat pore 
A)  apocrine sweat gland 
B)  sebaceous gland 
C)  eccrine sweat gland 
D)  duct of apocrine sweat gland 
E)  sweat pore

Exam 5: Integumentary System

This is the dermal layer closest to the epidermis.

The dermis

This epidermal stratum has several layers of cells held together by desmosomes.

Keratinization

Inflammation of the skin is called dermatitis or

Light-skinned races such as Caucasians have

By covering the whole body surface, the skin acts as a protective barrier and plays a role in

Eccrine sweat glands

Baldness

One type of experimental contraceptive device is a skin patch that contains a chemical absorbed through the skin. Which of the following substances might be the type of chemical involved?

-The diagram illustrates glands of the skin. What does "D" represent?

The skin discoloration most likely to result from liver disease is

This is the main fibrous layer of the dermis.

The layer of the epidermis in which there is the greatest amount of mitotic activity.

An expanded knob at the base of the hair root is the

Stretch marks develop on the abdomen of pregnant women because of stretching and rupture of the

That portion of the hair that extends above the surface of the skin is the

What will develop when the skin is subjected to excess friction or pressure?

Which of the following statements is true?

-The diagram illustrates glands of the skin. What does "A" represent?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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