Question 1

Which of the following statements concerning vitamin D is false?

Accepted Answer

A)  Vitamin D begins its synthesis in the skin when the skin is exposed to ultraviolet light. 
B)  Vitamin D causes the kidney to excrete calcium. 
C)  Vitamin D is necessary for the uptake of calcium from the intestine. 
D)  Vitamin D is necessary for the formation of bones and teeth. 
E)  Vitamin D is important for calcium homeostasis. 
A)  Vitamin D begins its synthesis in the skin when the skin is exposed to ultraviolet light. 
B)  Vitamin D causes the kidney to excrete calcium. 
C)  Vitamin D is necessary for the uptake of calcium from the intestine. 
D)  Vitamin D is necessary for the formation of bones and teeth. 
E)  Vitamin D is important for calcium homeostasis.

Question 2

Sweat

Accepted Answer

A)  is a hypertonic fluid. 
B)  is produced by a merocrine or apocrine gland. 
C)  contains only water. 
D)  reaches the body only through the hair follicles. 
E)  is not associated with emotions. 
A)  is a hypertonic fluid. 
B)  is produced by a merocrine or apocrine gland. 
C)  contains only water. 
D)  reaches the body only through the hair follicles. 
E)  is not associated with emotions.

Question 3

The portion of the hair below the surface of the skin is the

Accepted Answer

A)  shaft. 
B)  cuticle. 
C)  hair bulb. 
D)  medulla. 
E)  root. 
A)  shaft. 
B)  cuticle. 
C)  hair bulb. 
D)  medulla. 
E)  root.

Question 4

-The figure illustrates keratinization in the epidermis. What layer of the epidermis is "A"?

Accepted Answer

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

Question 5

-What does structure "D" represent on the diagram?

Accepted Answer

A)  hair follicle 
B)  arrector pili 
C)  dermis 
D)  hypodermis 
E)  sebaceous gland 
A)  hair follicle 
B)  arrector pili 
C)  dermis 
D)  hypodermis 
E)  sebaceous gland

Question 6

As skin cells move toward the surface of the body, they produce a protein that reduces water loss. This process is called

Accepted Answer

A)  pollination. 
B)  keratinization. 
C)  melaninization. 
D)  germination. 
E)  desquamation. 
A)  pollination. 
B)  keratinization. 
C)  melaninization. 
D)  germination. 
E)  desquamation.

Question 7

The stratum corneum beneath the free edge of the nail is the

Accepted Answer

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

Question 8

Which of the following represents the correct order of the layers of the epidermis from the deepest to the most superficial?

Accepted Answer

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

Question 9

The skin that covers the lateral and proximal edges of the nail is the

Accepted Answer

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

Question 10

Melanin production can be influenced by

Accepted Answer

A)  genetics. 
B)  hormones. 
C)  exposure to sunlight. 
D)  pregnancy. 
E)  All of these choices are correct. 
A)  genetics. 
B)  hormones. 
C)  exposure to sunlight. 
D)  pregnancy. 
E)  All of these choices are correct.

Question 11

If you accidentally cut your arm and see connective tissue and fat, which layer(s) was/were cut?

Accepted Answer

A)  stratum corneum 
B)  stratum basale 
C)  dermis 
D)  hypodermis 
E)  all of these layers 
A)  stratum corneum 
B)  stratum basale 
C)  dermis 
D)  hypodermis 
E)  all of these layers

Question 12

This condition is characterized by a thicker-than-normal stratus corneum producing large silvery scales.

Accepted Answer

A)  psoriasis 
B)  decubitus ulcer 
C)  bullae 
D)  vitiligo 
E)  eczema 
A)  psoriasis 
B)  decubitus ulcer 
C)  bullae 
D)  vitiligo 
E)  eczema

Question 13

Nail cells are produced by the

Accepted Answer

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

Question 14

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 15

This layer is found only in thick skin.

Accepted Answer

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

Question 16

Which of the following functions is associated with the skin?

Accepted Answer

A)  fat production 
B)  vitamin C production 
C)  regulation of body pH 
D)  protection against ultraviolet radiation of the sun 
E)  vitamin A production 
A)  fat production 
B)  vitamin C production 
C)  regulation of body pH 
D)  protection against ultraviolet radiation of the sun 
E)  vitamin A production

Question 17

-What does structure "C" represent on the diagram?

Accepted Answer

A)  hair follicle 
B)  arrector pili 
C)  dermis 
D)  hypodermis 
E)  sebaceous gland 
A)  hair follicle 
B)  arrector pili 
C)  dermis 
D)  hypodermis 
E)  sebaceous gland

Question 18

An increase in body temperature causes

Accepted Answer

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

Question 19

A genetic disease characterized by the inability to produce melanin is

Accepted Answer

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

Question 20

Parallel curving ridges of dermis that shape the overlying epidermis into fingerprints

Accepted Answer

A)  are associated with thin skin. 
B)  improve the grip of the hands. 
C)  decrease friction on surfaces where they are located. 
D)  are caused by the pattern of the reticular layer of the dermis. 
E)  tend to make the surface smooth. 
A)  are associated with thin skin. 
B)  improve the grip of the hands. 
C)  decrease friction on surfaces where they are located. 
D)  are caused by the pattern of the reticular layer of the dermis. 
E)  tend to make the surface smooth.

Exam 5: Integumentary System

Which of the following statements concerning vitamin D is false?

Sweat

The portion of the hair below the surface of the skin is the

-The figure illustrates keratinization in the epidermis. What layer of the epidermis is "A"?

-What does structure "D" represent on the diagram?

As skin cells move toward the surface of the body, they produce a protein that reduces water loss. This process is called

The stratum corneum beneath the free edge of the nail is the

Which of the following represents the correct order of the layers of the epidermis from the deepest to the most superficial?

The skin that covers the lateral and proximal edges of the nail is the

Melanin production can be influenced by

If you accidentally cut your arm and see connective tissue and fat, which layer(s) was/were cut?

This condition is characterized by a thicker-than-normal stratus corneum producing large silvery scales.

Nail cells are produced by the

The nail proper is composed of the

This layer is found only in thick skin.

Which of the following functions is associated with the skin?

-What does structure "C" represent on the diagram?

An increase in body temperature causes

A genetic disease characterized by the inability to produce melanin is

Parallel curving ridges of dermis that shape the overlying epidermis into fingerprints

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, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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