Question 1

The primary function of the stratum germinativum is:

Accepted Answer

A) osmosis 
B) mitosis 
C) absorption 
D) protection 
A) osmosis 
B) mitosis 
C) absorption 
D) protection

Question 2

The cells that produce pigment for the skin and hair are called:

Accepted Answer

A) fibroblasts 
B) melanocytes 
C) squamous cells 
D) dermal cells 
A) fibroblasts 
B) melanocytes 
C) squamous cells 
D) dermal cells

Question 3

In a cold 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 4

The stratum corneum is made of layers of cells that:

Accepted Answer

A) undergo mitosis 
B) are producing keratin 
C) are producing collagen 
D) are dead 
A) undergo mitosis 
B) are producing keratin 
C) are producing collagen 
D) are dead

Question 5

Which of these is NOT a function of human hair?

Accepted Answer

A) keeping dust out of the eyes 
B) insulating the hands from cold 
C) insulating the head from cold 
D) keeping dust out of the nasal passages 
A) keeping dust out of the eyes 
B) insulating the hands from cold 
C) insulating the head from cold 
D) keeping dust out of the nasal passages

Question 6

Free nerve endings in the skin are the receptors for:

Accepted Answer

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

Question 7

The protein that enables the dermis to stretch and recoil is:

Accepted Answer

A) keratin 
B) collagen 
C) elastin 
D) All of these permit stretching and recoiling. 
A) keratin 
B) collagen 
C) elastin 
D) All of these permit stretching and recoiling.

Question 8

Which statement is NOT true of the integumentary system?

Accepted Answer

A) It consists of the skin and subcutaneous tissue. 
B) It covers the body. 
C) Some glands are part of this system. 
D) It permits the entry of water to maintain body temperature. 
A) It consists of the skin and subcutaneous tissue. 
B) It covers the body. 
C) Some glands are part of this system. 
D) It permits the entry of water to maintain body temperature.

Question 9

Vasodilation in the dermis is important to:

Accepted Answer

A) increase heat loss in a warm environment 
B) conserve heat in a warm environment 
C) increase heat loss in a cold environment 
D) conserve heat in a cold environment 
A) increase heat loss in a warm environment 
B) conserve heat in a warm environment 
C) increase heat loss in a cold environment 
D) conserve heat in a cold environment

Question 10

Defensive cells in the integumentary system include subcutaneous WBCs and:

Accepted Answer

A) Langerhans cells in the epidermis 
B) adipocytes in the dermis 
C) melanocytes in the epidermis 
D) keratinocytes in the dermis 
A) Langerhans cells in the epidermis 
B) adipocytes in the dermis 
C) melanocytes in the epidermis 
D) keratinocytes in the dermis

Question 11

The vitamin produced in the skin is:

Accepted Answer

A) vitamin D,made from cholesterol 
B) vitamin C,made from keratin 
C) vitamin D,made from keratin 
D) vitamin C,made from cholesterol 
A) vitamin D,made from cholesterol 
B) vitamin C,made from keratin 
C) vitamin D,made from keratin 
D) vitamin C,made from cholesterol

Question 12

Which statement is NOT true of the subcutaneous tissue?

Accepted Answer

A) It is found between the dermis and the muscles. 
B) Areolar connective tissue contains many RBCs. 
C) Adipose tissue stores potential energy. 
D) It provides a little insulation from cold. 
A) It is found between the dermis and the muscles. 
B) Areolar connective tissue contains many RBCs. 
C) Adipose tissue stores potential energy. 
D) It provides a little insulation from cold.

Question 13

A function of sebum is to:

Accepted Answer

A) promote osmosis 
B) nourish the stratum corneum 
C) prevent mechanical injury 
D) prevent drying of the skin and hair 
A) promote osmosis 
B) nourish the stratum corneum 
C) prevent mechanical injury 
D) prevent drying of the skin and hair

Question 14

Which statement is NOT true of eccrine sweat glands?

Accepted Answer

A) They are activated only by external warmth. 
B) They are numerous in the palms and soles. 
C) Their secretory portions are coiled tubes. 
D) Excessive sweating may lead to dehydration. 
A) They are activated only by external warmth. 
B) They are numerous in the palms and soles. 
C) Their secretory portions are coiled tubes. 
D) Excessive sweating may lead to dehydration.

Question 15

Melanocytes produce ___ when stimulated by ___.

Accepted Answer

A) melanin/UV rays 
B) keratin/pressure 
C) melanin/pressure 
D) keratin/UV rays 
A) melanin/UV rays 
B) keratin/pressure 
C) melanin/pressure 
D) keratin/UV rays

Question 16

The primary function of the stratum germinativum is:

Accepted Answer

A) osmosis to prevent water loss 
B) mitosis to produce new dermis 
C) osmosis to contribute to sweating 
D) mitosis to produce new epidermis 
A) osmosis to prevent water loss 
B) mitosis to produce new dermis 
C) osmosis to contribute to sweating 
D) mitosis to produce new epidermis

Question 17

The glands in the dermis that are most important for temperature regulation are the:

Accepted Answer

A) apocrine glands 
B) sebaceous glands 
C) serous glands 
D) eccrine glands 
A) apocrine glands 
B) sebaceous glands 
C) serous glands 
D) eccrine glands

Question 18

The layer of the skin that is made of fibrous connective tissue 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 19

Which statement is NOT true of melanocytes?

Accepted Answer

A) They are found in the epidermis. 
B) They give color to the hair and nails. 
C) The melanin they produce protects living skin from UV rays. 
D) The production of melanin is,in part,a genetic characteristic. 
A) They are found in the epidermis. 
B) They give color to the hair and nails. 
C) The melanin they produce protects living skin from UV rays. 
D) The production of melanin is,in part,a genetic characteristic.

Question 20

Blood flow through the dermis of the skin is:

Accepted Answer

A) increased by vasodilation in hot weather 
B) decreased by vasodilation in cold weather 
C) increased by vasoconstriction in cold weather 
D) decreased by vasoconstriction in hot weather 
A) increased by vasodilation in hot weather 
B) decreased by vasodilation in cold weather 
C) increased by vasoconstriction in cold weather 
D) decreased by vasoconstriction in hot weather

Exam 6:The Integumentary System-Part C

The primary function of the stratum germinativum is:

The cells that produce pigment for the skin and hair are called:

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

The stratum corneum is made of layers of cells that:

Which of these is NOT a function of human hair?

Free nerve endings in the skin are the receptors for:

The protein that enables the dermis to stretch and recoil is:

Which statement is NOT true of the integumentary system?

Vasodilation in the dermis is important to:

Defensive cells in the integumentary system include subcutaneous WBCs and:

The vitamin produced in the skin is:

Which statement is NOT true of the subcutaneous tissue?

A function of sebum is to:

Which statement is NOT true of eccrine sweat glands?

Melanocytes produce ___ when stimulated by ___.

The primary function of the stratum germinativum is:

The glands in the dermis that are most important for temperature regulation are the:

The layer of the skin that is made of fibrous connective tissue is the:

Which statement is NOT true of melanocytes?

Blood flow through the dermis of the skin is:

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

Melanocytes produce _ when stimulated by _.