Question 1

Which of the following substances makes the skin water resistant?

Accepted Answer

A) Melanin 
B) Iron pigments 
C) Keratin 
D) Carotene 
A) Melanin 
B) Iron pigments 
C) Keratin 
D) Carotene C

Question 2

Sudoriferous glands

Accepted Answer

A) are sweat glands. 
B) participate in temperature regulation. 
C) include the eccrine and apocrine glands. 
D) All of the above are true. 
A) are sweat glands. 
B) participate in temperature regulation. 
C) include the eccrine and apocrine glands. 
D) All of the above are true. D

Question 3

Freckles and moles are caused by an accumulation of

Accepted Answer

A) bilirubin. 
B) vernix caseosa. 
C) melanin. 
D) keratin. 
A) bilirubin. 
B) vernix caseosa. 
C) melanin. 
D) keratin. C

Question 4

Which of the following structures is avascular?

Accepted Answer

A) Epidermis 
B) Subcutaneous layer 
C) Dermis 
D) Underlying muscle 
A) Epidermis 
B) Subcutaneous layer 
C) Dermis 
D) Underlying muscle

Question 5

Anticancer drugs often cause hair loss,a condition called

Accepted Answer

A) alopecia. 
B) hirsutism. 
C) vitiligo. 
D) keratinization. 
A) alopecia. 
B) hirsutism. 
C) vitiligo. 
D) keratinization.

Question 6

Which of the following lies on the subcutaneous layer?

Accepted Answer

A) Stratum corneum 
B) Epidermis 
C) Dermis 
D) Stratum germinativum 
A) Stratum corneum 
B) Epidermis 
C) Dermis 
D) Stratum germinativum

Question 7

The normal body temperature

Accepted Answer

A) is 96.8°. 
B) is highest at 7 AM and gradually decreases over the 24 hours. 
C) is maintained through thermoregulatory mechanisms. 
D) is 40°C. 
A) is 96.8°. 
B) is highest at 7 AM and gradually decreases over the 24 hours. 
C) is maintained through thermoregulatory mechanisms. 
D) is 40°C.

Question 8

The stratum germinativum and the stratum corneum are layers of the

Accepted Answer

A) epidermis. 
B) hypodermis. 
C) subcutaneous tissue. 
D) dermis. 
A) epidermis. 
B) hypodermis. 
C) subcutaneous tissue. 
D) dermis.

Question 9

What is the name of the thickening of the epidermis that develops in response to constant pressure or irritation?

Accepted Answer

A) Nevus 
B) Vitiligo 
C) Callus 
D) Blister 
A) Nevus 
B) Vitiligo 
C) Callus 
D) Blister

Question 10

A person feels warmer on a humid day because

Accepted Answer

A) the decrease in evaporation of water from the skin surface decreases the loss of heat. 
B) the body produces more heat on a humid day. 
C) a person breathes slower on a humid day and exhales less heated air. 
D) All of the above are true. 
A) the decrease in evaporation of water from the skin surface decreases the loss of heat. 
B) the body produces more heat on a humid day. 
C) a person breathes slower on a humid day and exhales less heated air. 
D) All of the above are true.

Question 11

Which of the following is true of sebaceous glands?

Accepted Answer

A) They are exocrine glands. 
B) They are primarily responsible for temperature regulation. 
C) They secrete melanin in response to ultraviolet radiation. 
D) They secrete vitamin D in response to ultraviolet radiation. 
A) They are exocrine glands. 
B) They are primarily responsible for temperature regulation. 
C) They secrete melanin in response to ultraviolet radiation. 
D) They secrete vitamin D in response to ultraviolet radiation.

Question 12

The subcutaneous layer

Accepted Answer

A) is composed of the stratum germinativum and stratum corneum. 
B) contains adipose tissue. 
C) cushions,binds,and insulates. 
D) Two of the above are true. 
A) is composed of the stratum germinativum and stratum corneum. 
B) contains adipose tissue. 
C) cushions,binds,and insulates. 
D) Two of the above are true.

Question 13

Which of the following is descriptive of the epidermal layer?

Accepted Answer

A) It is nourished by blood vessels in the dermal layer. 
B) It sits on the subcutaneous layer. 
C) It sits inferior to the stratum germinativum. 
D) It contains the cutaneous blood vessels,free nerve endings,tactile receptors,and arrector pili muscles. 
A) It is nourished by blood vessels in the dermal layer. 
B) It sits on the subcutaneous layer. 
C) It sits inferior to the stratum germinativum. 
D) It contains the cutaneous blood vessels,free nerve endings,tactile receptors,and arrector pili muscles.

Question 14

The hypothalamus

Accepted Answer

A) is the body's thermostat. 
B) can be affected by pyrogens. 
C) is involved in thermoregulation. 
D) All of the above are true. 
A) is the body's thermostat. 
B) can be affected by pyrogens. 
C) is involved in thermoregulation. 
D) All of the above are true.

Question 15

Which action is most likely to lower body temperature?

Accepted Answer

A) Shivering 
B) Vasoconstriction 
C) Cyanosis 
D) Vasodilation 
A) Shivering 
B) Vasoconstriction 
C) Cyanosis 
D) Vasodilation

Question 16

The color of skin that is supplied by oxygen-poor blood is described as

Accepted Answer

A) flushed. 
B) jaundiced. 
C) cyanotic. 
D) pink. 
A) flushed. 
B) jaundiced. 
C) cyanotic. 
D) pink.

Question 17

Dander and dandruff are

Accepted Answer

A) composed of dead skin cells. 
B) clumps of infected sebum. 
C) called striae. 
D) worn out tactile receptors. 
A) composed of dead skin cells. 
B) clumps of infected sebum. 
C) called striae. 
D) worn out tactile receptors.

Question 18

Brown fat is found in the fetus and neonate and is concerned with

Accepted Answer

A) regulation of thirst. 
B) urine production by the fetal kidney. 
C) nonshivering thermogenesis. 
D) regulation of fetal and neonatal blood glucose. 
A) regulation of thirst. 
B) urine production by the fetal kidney. 
C) nonshivering thermogenesis. 
D) regulation of fetal and neonatal blood glucose.

Question 19

The hair follicle is

Accepted Answer

A) the part of the hair that is above the surface of the skin. 
B) composed of epithelial cells. 
C) composed of dead and keratinized cells. 
D) that which we brush,blow dry,curl,and iron. 
A) the part of the hair that is above the surface of the skin. 
B) composed of epithelial cells. 
C) composed of dead and keratinized cells. 
D) that which we brush,blow dry,curl,and iron.

Question 20

Nonshivering thermogenesis is accomplished by

Accepted Answer

A) involuntary contraction of skeletal muscles. 
B) constriction of the dermal blood vessels. 
C) metabolism associated with brown fat. 
D) involuntary contraction of the arrector pili muscles. 
A) involuntary contraction of skeletal muscles. 
B) constriction of the dermal blood vessels. 
C) metabolism associated with brown fat. 
D) involuntary contraction of the arrector pili muscles.

Exam 7: Integumentary System and Body Temperature

Which of the following substances makes the skin water resistant?

Sudoriferous glands

Freckles and moles are caused by an accumulation of

Which of the following structures is avascular?

Anticancer drugs often cause hair loss,a condition called

Which of the following lies on the subcutaneous layer?

The normal body temperature

The stratum germinativum and the stratum corneum are layers of the

What is the name of the thickening of the epidermis that develops in response to constant pressure or irritation?

A person feels warmer on a humid day because

Which of the following is true of sebaceous glands?

The subcutaneous layer

Which of the following is descriptive of the epidermal layer?

The hypothalamus

Which action is most likely to lower body temperature?

The color of skin that is supplied by oxygen-poor blood is described as

Dander and dandruff are

Brown fat is found in the fetus and neonate and is concerned with

The hair follicle is

Nonshivering thermogenesis is accomplished by

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

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