Question 1

Melanocytes produce ___ when stimulated by ___.

Accepted Answer

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

Question 2

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

Question 3

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

Question 4

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

Question 5

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

Question 6

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.

Question 7

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.

Question 8

The primary function of the stratum germinativum is:

Accepted Answer

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

Question 9

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

Question 10

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

Question 11

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.

Question 12

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

Question 13

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.

Question 14

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

Question 15

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.

Question 16

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

Accepted Answer

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

Question 17

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

Question 18

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

Question 19

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.

Question 20

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

Exam 6:The Integumentary System-Part C

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

Correct AnswerverifiedShow Answer

Which statement is NOT true of the subcutaneous tissue?

Correct AnswerverifiedShow Answer

The primary function of the stratum germinativum is:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The primary function of the stratum germinativum is:

Correct AnswerverifiedShow Answer

Melanocytes produce ___ when stimulated by ___.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Free nerve endings in the skin are the receptors for:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Blood flow through the dermis of the skin is:

Correct AnswerverifiedShow Answer

The vitamin produced in the skin is:

Correct AnswerverifiedShow Answer

Which of these is NOT a function of human hair?

Correct AnswerverifiedShow Answer

Which statement is NOT true of melanocytes?

Correct AnswerverifiedShow Answer

Which statement is NOT true of eccrine sweat glands?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Vasodilation in the dermis is important to:

Correct AnswerverifiedShow Answer

Defensive cells in the integumentary system include subcutaneous WBCs and:

Correct AnswerverifiedShow Answer

A function of sebum is to:

Correct AnswerverifiedShow Answer

The stratum corneum is made of layers of cells that:

Correct AnswerverifiedShow Answer

Which statement is NOT true of the integumentary system?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Melanocytes produce _ when stimulated by _.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified