Question 1

Nail cells are produced by the

Accepted Answer

A)  nail groove. 
B)  nail body. 
C)  cuticle. 
D)  lunula. 
E)  nail matrix. 
A)  nail groove. 
B)  nail body. 
C)  cuticle. 
D)  lunula. 
E)  nail matrix.

Question 2

This layer is found only in thick skin.

Accepted Answer

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

Question 3

A subcutaneous injection delivers medication into the

Accepted Answer

A)  joint. 
B)  dermis. 
C)  hypodermis. 
D)  muscle. 
E)  epidermis. 
A)  joint. 
B)  dermis. 
C)  hypodermis. 
D)  muscle. 
E)  epidermis.

Question 4

Which of the following statements regarding melanin is true?

Accepted Answer

A)  Men produce more melanin than women. 
B)  In Addison's disease, less melanin is produced. 
C)  During pregnancy melanin production is increased. 
D)  Both melanocytes and keratinocytes produce melanin. 
E)  Melanin is a white pigment. 
A)  Men produce more melanin than women. 
B)  In Addison's disease, less melanin is produced. 
C)  During pregnancy melanin production is increased. 
D)  Both melanocytes and keratinocytes produce melanin. 
E)  Melanin is a white pigment.

Question 5

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

Accepted Answer

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

Question 6

Body odor results from secretions from the ______ sweat glands.

Accepted Answer

A)  eccrine 
B)  apocrine 
C)  sebaceous 
D)  merocrine 
E)  ceruminous 
A)  eccrine 
B)  apocrine 
C)  sebaceous 
D)  merocrine 
E)  ceruminous

Question 7

Due to the contraction of smooth muscle in the walls of the dermal blood vessels,

Accepted Answer

A)  body heat is conserved. 
B)  more blood enters into the heart. 
C)  more blood flows to the skin. 
D)  body temperature tends to drop in that area. 
E)  the blood vessels become dilated. 
A)  body heat is conserved. 
B)  more blood enters into the heart. 
C)  more blood flows to the skin. 
D)  body temperature tends to drop in that area. 
E)  the blood vessels become dilated.

Question 8

Which type of skin cancer is the most deadly?

Accepted Answer

A)  Kaposi's sarcoma 
B)  basal cell carcinoma 
C)  melanoma 
D)  squamous cell carcinoma 
E)  psoriasis 
A)  Kaposi's sarcoma 
B)  basal cell carcinoma 
C)  melanoma 
D)  squamous cell carcinoma 
E)  psoriasis

Question 9

What type of burn appears white or black with no immediate pain?

Accepted Answer

A)  second-degree 
B)  third-degree 
C)  fourth-degree 
D)  first-degree 
E)  partial-thickness 
A)  second-degree 
B)  third-degree 
C)  fourth-degree 
D)  first-degree 
E)  partial-thickness

Question 10

Melanin is produced only by

Accepted Answer

A)  keratinocytes. 
B)  Langerhans cells. 
C)  melanocytes. 
D)  basal cells. 
E)  Merkel's cells. 
A)  keratinocytes. 
B)  Langerhans cells. 
C)  melanocytes. 
D)  basal cells. 
E)  Merkel's cells.

Question 11

The dermis

Accepted Answer

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

Question 12

What is synonymous with the cuticle?

Accepted Answer

A)  nail fold 
B)  eponychium 
C)  nail body 
D)  hyponychium 
E)  nail root 
A)  nail fold 
B)  eponychium 
C)  nail body 
D)  hyponychium 
E)  nail root

Question 13

A genetic disease characterized by the inability to produce melanin is

Accepted Answer

A)  cyanosis. 
B)  melanosomes. 
C)  albinism. 
D)  carotene. 
E)  dermatitis. 
A)  cyanosis. 
B)  melanosomes. 
C)  albinism. 
D)  carotene. 
E)  dermatitis.

Question 14

Which region of the nail contains the stratum basale layer?

Accepted Answer

A)  the cuticle 
B)  the hyponychium 
C)  the free edge 
D)  the matrix 
A)  the cuticle 
B)  the hyponychium 
C)  the free edge 
D)  the matrix

Question 15

Subcutaneous tissue contains of all of the following EXCEPT:

Accepted Answer

A)  collagen and elastin fibers 
B)  macrophages 
C)  stratified squamous epithelial tissue 
D)  fibroblasts and adipocytes 
E)  loose connective tissue 
A)  collagen and elastin fibers 
B)  macrophages 
C)  stratified squamous epithelial tissue 
D)  fibroblasts and adipocytes 
E)  loose connective tissue

Question 16

The nail proper is composed of the

Accepted Answer

A)  stratum corneum. 
B)  stratum lucidum. 
C)  stratum germinativum. 
D)  stratum spinosum. 
E)  All of these choices are correct. 
A)  stratum corneum. 
B)  stratum lucidum. 
C)  stratum germinativum. 
D)  stratum spinosum. 
E)  All of these choices are correct.

Question 17

A parent of an baby visits her pediatrician because her baby is turning orange. Fortunately, the baby's lab tests indicate no abnormality. What could be causing the orange coloration?

Accepted Answer

A)  The mother has been feeding the baby orange soda. 
B)  The baby's diet consists of mostly sweet potatoes and carrots. 
C)  There is no logical explanation for this coloration change. 
D)  The baby was in the sun too long. 
A)  The mother has been feeding the baby orange soda. 
B)  The baby's diet consists of mostly sweet potatoes and carrots. 
C)  There is no logical explanation for this coloration change. 
D)  The baby was in the sun too long.

Question 18

A malfunction of the process of keratinization results in the condition known as

Accepted Answer

A)  acne. 
B)  psoriasis. 
C)  jaundice. 
D)  cyanosis. 
E)  impetigo. 
A)  acne. 
B)  psoriasis. 
C)  jaundice. 
D)  cyanosis. 
E)  impetigo.

Question 19

An increase in body temperature causes

Accepted Answer

A)  sweating. 
B)  an increase in melanin production. 
C)  an increase in keratinization of the skin. 
D)  arterioles in the dermis to constrict. 
E)  arrector pili muscles to contract. 
A)  sweating. 
B)  an increase in melanin production. 
C)  an increase in keratinization of the skin. 
D)  arterioles in the dermis to constrict. 
E)  arrector pili muscles to contract.

Question 20

When the skin develops a reddish color due to a temporary increase in blood flow, the condition is called:

Accepted Answer

A)  jaundice 
B)  albinism 
C)  cyanosis 
D)  erythema 
A)  jaundice 
B)  albinism 
C)  cyanosis 
D)  erythema

Exam 5: Integumentary System

Nail cells are produced by the

This layer is found only in thick skin.

A subcutaneous injection delivers medication into the

Which of the following statements regarding melanin is true?

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

Body odor results from secretions from the ______ sweat glands.

Due to the contraction of smooth muscle in the walls of the dermal blood vessels,

Which type of skin cancer is the most deadly?

What type of burn appears white or black with no immediate pain?

Melanin is produced only by

The dermis

What is synonymous with the cuticle?

A genetic disease characterized by the inability to produce melanin is

Which region of the nail contains the stratum basale layer?

Subcutaneous tissue contains of all of the following EXCEPT:

The nail proper is composed of the

A parent of an baby visits her pediatrician because her baby is turning orange. Fortunately, the baby's lab tests indicate no abnormality. What could be causing the orange coloration?

A malfunction of the process of keratinization results in the condition known as

An increase in body temperature causes

When the skin develops a reddish color due to a temporary increase in blood flow, the condition is called:

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, Electrolyte, and Acid-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

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