Question 1

In a stressful situation,the arterioles in the dermis will:

Accepted Answer

A) dilate to keep blood in the skin for sweating 
B) constrict to permit blood to flow to more vital organs 
C) dilate to permit blood to flow to more vital organs 
D) constrict to prevent sweating 
A) dilate to keep blood in the skin for sweating 
B) constrict to permit blood to flow to more vital organs 
C) dilate to permit blood to flow to more vital organs 
D) constrict to prevent sweating

Question 2

The activity of melanocytes is determined by:

Accepted Answer

A) genetics 
B) exposure to the sun 
C) both A and B 
D) both A and B,and by the helper keratinocytes 
A) genetics 
B) exposure to the sun 
C) both A and B 
D) both A and B,and by the helper keratinocytes

Question 3

Which statement is NOT true of the cutaneous senses?

Accepted Answer

A) Most of the receptors are in the dermis of the skin. 
B) Cutaneous senses provide information about changes in the external environment. 
C) The receptors for pressure are encapsulated nerve endings. 
D) The fingertips are very sensitive to touch because there are few receptors there. 
A) Most of the receptors are in the dermis of the skin. 
B) Cutaneous senses provide information about changes in the external environment. 
C) The receptors for pressure are encapsulated nerve endings. 
D) The fingertips are very sensitive to touch because there are few receptors there.

Question 4

The subcutaneous tissue that contains WBCs to destroy pathogens that enter breaks in the skin is:

Accepted Answer

A) areolar connective tissue 
B) fibrous connective tissue 
C) stratified squamous epithelium 
D) simple squamous epithelium 
A) areolar connective tissue 
B) fibrous connective tissue 
C) stratified squamous epithelium 
D) simple squamous epithelium

Question 5

The function of sebum is to:

Accepted Answer

A) inhibit the growth of bacteria on the skin 
B) prevent drying of the skin 
C) both A and B 
D) both A and B,and help permit gripping by the palms 
A) inhibit the growth of bacteria on the skin 
B) prevent drying of the skin 
C) both A and B 
D) both A and B,and help permit gripping by the palms

Question 6

When UV rays strike the skin,these substances are produced:

Accepted Answer

A) vitamin C and melanin 
B) vitamin D and keratin 
C) vitamin C and keratin 
D) vitamin D and melanin 
A) vitamin C and melanin 
B) vitamin D and keratin 
C) vitamin C and keratin 
D) vitamin D and melanin

Question 7

The process by which sweating promotes loss of excess body heat is:

Accepted Answer

A) osmosis of sweat 
B) evaporation of sweat 
C) secretion of sweat 
D) filtration of sweat 
A) osmosis of sweat 
B) evaporation of sweat 
C) secretion of sweat 
D) filtration of sweat

Question 8

A nail follicle:

Accepted Answer

A) has its base in the dermis 
B) has a nail root that undergoes mitosis 
C) has cells that produce keratin before they die 
D) all of these 
A) has its base in the dermis 
B) has a nail root that undergoes mitosis 
C) has cells that produce keratin before they die 
D) all of these

Question 9

The layer of the skin that is made of stratified squamous epithelium is the:

Accepted Answer

A) dermis 
B) subcutaneous layer 
C) epidermis 
D) None of these layers is made of this tissue. 
A) dermis 
B) subcutaneous layer 
C) epidermis 
D) None of these layers is made of this tissue.

Question 10

Which statement is NOT true of the stratum corneum?

Accepted Answer

A) The cells are called keratinocytes. 
B) Keratin prevents movement of most water in or out. 
C) The stratum corneum is made of one layer of dead cells. 
D) The cells die after they produce keratin. 
A) The cells are called keratinocytes. 
B) Keratin prevents movement of most water in or out. 
C) The stratum corneum is made of one layer of dead cells. 
D) The cells die after they produce keratin.

Question 11

The cells in the epidermis that are capable of phagocytosis are:

Accepted Answer

A) Langerhans cells 
B) keratinocytes 
C) melanocytes 
D) Merkel cells 
A) Langerhans cells 
B) keratinocytes 
C) melanocytes 
D) Merkel cells

Question 12

Blood flow through the dermis of the skin is decreased by:

Accepted Answer

A) vasoconstriction in cold weather 
B) vasoconstriction in hot weather 
C) vasodilation in hot weather 
D) vasodilation in cold weather 
A) vasoconstriction in cold weather 
B) vasoconstriction in hot weather 
C) vasodilation in hot weather 
D) vasodilation in cold weather

Question 13

Encapsulated nerve endings in the skin are the receptors for:

Accepted Answer

A) touch,pressure,and pain 
B) heat,cold,pressure,and pain 
C) touch and pressure 
D) cold and pain 
A) touch,pressure,and pain 
B) heat,cold,pressure,and pain 
C) touch and pressure 
D) cold and pain

Question 14

The cutaneous receptors for pain are:

Accepted Answer

A) free nerve endings in the dermis 
B) free nerve endings of Langerhans cells 
C) encapsulated nerve endings in the dermis 
D) encapsulated nerve endings in the epidermis 
A) free nerve endings in the dermis 
B) free nerve endings of Langerhans cells 
C) encapsulated nerve endings in the dermis 
D) encapsulated nerve endings in the epidermis

Question 15

Which statement is NOT true of human nails?

Accepted Answer

A) They are formed in follicles. 
B) They protect the ends of the fingers and toes from mechanical injury. 
C) They enable the fingers to pick up small objects. 
D) The visible part of the nail is made of collagen. 
A) They are formed in follicles. 
B) They protect the ends of the fingers and toes from mechanical injury. 
C) They enable the fingers to pick up small objects. 
D) The visible part of the nail is made of collagen.

Question 16

The dermis is the ___ layer of the skin and is made of ___ tissue.

Accepted Answer

A) outer/stratified squamous epithelial 
B) inner/stratified squamous epithelial 
C) outer/fibrous connective 
D) inner/fibrous connective 
A) outer/stratified squamous epithelial 
B) inner/stratified squamous epithelial 
C) outer/fibrous connective 
D) inner/fibrous connective

Question 17

The part of the integumentary system that prevents entry of pathogens is the:

Accepted Answer

A) epidermis 
B) dermis 
C) subcutaneous tissue 
D) eccrine glands 
A) epidermis 
B) dermis 
C) subcutaneous tissue 
D) eccrine glands

Question 18

In a warm environment,the arterioles in the dermis will:

Accepted Answer

A) dilate to lose heat 
B) constrict to lose heat 
C) constrict to conserve heat 
D) dilate to conserve heat 
A) dilate to lose heat 
B) constrict to lose heat 
C) constrict to conserve heat 
D) dilate to conserve heat

Question 19

The part of the integumentary system that contains sweat glands and sensory receptors is the:

Accepted Answer

A) epidermis 
B) dermis 
C) subcutaneous tissue 
D) mucous membrane 
A) epidermis 
B) dermis 
C) subcutaneous tissue 
D) mucous membrane

Question 20

The part of a cow's integument that we know as leather is the:

Accepted Answer

A) epidermis 
B) dermis 
C) subcutaneous tissue 
D) all of these 
A) epidermis 
B) dermis 
C) subcutaneous tissue 
D) all of these

Exam 6:The Integumentary System-Part C

In a stressful situation,the arterioles in the dermis will:

The activity of melanocytes is determined by:

Which statement is NOT true of the cutaneous senses?

The subcutaneous tissue that contains WBCs to destroy pathogens that enter breaks in the skin is:

The function of sebum is to:

When UV rays strike the skin,these substances are produced:

The process by which sweating promotes loss of excess body heat is:

A nail follicle:

The layer of the skin that is made of stratified squamous epithelium is the:

Which statement is NOT true of the stratum corneum?

The cells in the epidermis that are capable of phagocytosis are:

Blood flow through the dermis of the skin is decreased by:

Encapsulated nerve endings in the skin are the receptors for:

The cutaneous receptors for pain are:

Which statement is NOT true of human nails?

The dermis is the ___ layer of the skin and is made of ___ tissue.

The part of the integumentary system that prevents entry of pathogens is the:

In a warm environment,the arterioles in the dermis will:

The part of the integumentary system that contains sweat glands and sensory receptors is the:

The part of a cow's integument that we know as leather is the:

Organization and General Plan of the Body-Part A

Organization and General Plan of the Body-Part B

Organization and General Plan of the Body-Part C

Some Basic Chemistry-Part A

Some Basic Chemistry-Part B

Some Basic Chemistry-Part C

Cells-Part A

Cells-Part B

Cells-Part C

Tissues and Membranes-Part A

Tissues and Membranes-Part B

Tissues and Membranes-Part C

The Integumentary System-Part A

The Integumentary System-Part B

The Skeletal System-Part A

The Skeletal System-Part B

The Skeletal System-Part C

The Muscular System-Part A

The Muscular System-Part B

The Muscular System-Part C

The Nervous System-Part A

The Nervous System-Part B

The Nervous System-Part C

The Senses-Part A

The Senses-Part B

The Senses-Part C

The Endocrine System-Part A

The Endocrine System-Part B

The Endocrine System-Part C

Blood-Part A

Blood-Part B

Blood-Part C

The Heart-Part A

The Heart-Part B

The Heart-Part C

The Vascular System-Part A

The Vascular System-Part B

The Vascular System-Part C

The Lymphatic System and Immunity-Part A

The Lymphatic System and Immunity-Part B

The Lymphatic System and Immunity-Part C

The Respiratory System-Part A

The Respiratory System-Part B

The Respiratory System-Part C

The Digestive System-Part A

The Digestive System-Part B

The Digestive System-Part C

Body Temperature and Metabolism-Part A

Body Temperature and Metabolism-Part B

Body Temperature and Metabolism-Part C

The Urinary System-Part A

The Urinary System-Part B

The Urinary System-Part C

Fluid–Electrolyte and Acid–Base Balance-Part A

Fluid–Electrolyte and Acid–Base Balance-Part B

Fluid–Electrolyte and Acid–Base Balance-Part C

The Reproductive Systems-Part A

The Reproductive Systems-Part B

The Reproductive Systems-Part C

The dermis is the _ layer of the skin and is made of _ tissue.