Question 1

Which of the following statements concerning vitamin D is false?

Accepted Answer

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

Question 2

Describe the movement of melanin in the skin.

Accepted Answer

A)  Melanin is transferred from melanocytes to keratinocytes. 
B)  Melanin is transferred from melanocytes to Merkel cells. 
C)  Melanocytes carry melanin with them as they migrate toward the skin surface. 
D)  Melanin is transferred from keratinocytes to melanocytes. 
A)  Melanin is transferred from melanocytes to keratinocytes. 
B)  Melanin is transferred from melanocytes to Merkel cells. 
C)  Melanocytes carry melanin with them as they migrate toward the skin surface. 
D)  Melanin is transferred from keratinocytes to melanocytes.

Question 3

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

Accepted Answer

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

Question 4

This is the site of fat storage in the skin.

Accepted Answer

A)  epidermis 
B)  papillary layer 
C)  reticular layer 
D)  hypodermis 
E)  stretch marks 
A)  epidermis 
B)  papillary layer 
C)  reticular layer 
D)  hypodermis 
E)  stretch marks

Question 5

The acne-associated bacterium Propionibacterium acnes are found in sebum-rich of the skin, such as the arms, palms, and axillary regions.

Accepted Answer

A) True 
 B)False

Question 6

Skin color is the result of the

Accepted Answer

A)  amount of fat in the hypodermis. 
B)  quantity of melanin in the skin. 
C)  number of melanocytes in the skin. 
D)  number of keratinocytes in the skin. 
E)  thickness of the stratum basale. 
A)  amount of fat in the hypodermis. 
B)  quantity of melanin in the skin. 
C)  number of melanocytes in the skin. 
D)  number of keratinocytes in the skin. 
E)  thickness of the stratum basale.

Question 7

The epidermis

Accepted Answer

A)  is composed of loose connective tissue. 
B)  is made up mostly of melanocytes. 
C)  is composed of the reticular and papillary layers. 
D)  is thicker than the dermis. 
E)  contains no blood vessels. 
A)  is composed of loose connective tissue. 
B)  is made up mostly of melanocytes. 
C)  is composed of the reticular and papillary layers. 
D)  is thicker than the dermis. 
E)  contains no blood vessels.

Question 8

The nail root and the nail body attach to the

Accepted Answer

A)  nail groove. 
B)  hyponychium. 
C)  nail bed. 
D)  lunula. 
E)  hypodermis. 
A)  nail groove. 
B)  hyponychium. 
C)  nail bed. 
D)  lunula. 
E)  hypodermis.

Question 9

The activity of apocrine sweat glands

Accepted Answer

A)  gives the skin a healthy glow. 
B)  produces sweat on the palm of the hand. 
C)  leads to body odor. 
D)  produces cerumen. 
E)  produces an oily secretion. 
A)  gives the skin a healthy glow. 
B)  produces sweat on the palm of the hand. 
C)  leads to body odor. 
D)  produces cerumen. 
E)  produces an oily secretion.

Question 10

Which of the following functions is associated with the skin?

Accepted Answer

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

Question 11

A burn classified as partial thickness could be _____.

Accepted Answer

A)  epidermal or dermal 
B)  first or second degree 
C)  second or third degree 
D)  thin or deep 
A)  epidermal or dermal 
B)  first or second degree 
C)  second or third degree 
D)  thin or deep

Question 12

Which vitamin begins its synthesis in the skin exposed to ultraviolet light?

Accepted Answer

A)  vitamin C 
B)  vitamin E 
C)  vitamin B 
D)  vitamin D 
E)  vitamin A 
A)  vitamin C 
B)  vitamin E 
C)  vitamin B 
D)  vitamin D 
E)  vitamin A

Question 13

The layer of epidermis that undergoes mitosis and forms new epidermal cells is the

Accepted Answer

A)  stratum lucidum. 
B)  stratum granulosum. 
C)  stratum basale. 
D)  stratum corneum. 
E)  stratum dermum. 
A)  stratum lucidum. 
B)  stratum granulosum. 
C)  stratum basale. 
D)  stratum corneum. 
E)  stratum dermum.

Question 14

The bluish tinge of skin due to a reduction of oxygen in the blood is called

Accepted Answer

A)  desquamation. 
B)  hemolysis. 
C)  cyanosis. 
D)  carotenosis. 
E)  albinism. 
A)  desquamation. 
B)  hemolysis. 
C)  cyanosis. 
D)  carotenosis. 
E)  albinism.

Question 15

All of the following statements concerning hair are true except one. Identify the exception.

Accepted Answer

A)  In pattern baldness, those hair follicles present begin to produce vellus hair. 
B)  Hair growth occurs in cycles, with growth and resting stages. 
C)  Some loss of hair is normal and indicates old hairs are being pushed out by new hairs. 
D)  Genetic factors and testosterone cause pattern baldness. 
E)  The growth rate of all types of hair is the same. 
A)  In pattern baldness, those hair follicles present begin to produce vellus hair. 
B)  Hair growth occurs in cycles, with growth and resting stages. 
C)  Some loss of hair is normal and indicates old hairs are being pushed out by new hairs. 
D)  Genetic factors and testosterone cause pattern baldness. 
E)  The growth rate of all types of hair is the same.

Question 16

The skin discoloration most likely to result from liver disease is

Accepted Answer

A)  cyanosis. 
B)  jaundice. 
C)  hematoma. 
D)  pallor. 
E)  erythema. 
A)  cyanosis. 
B)  jaundice. 
C)  hematoma. 
D)  pallor. 
E)  erythema.

Question 17

Sweat

Accepted Answer

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

Question 18

By reducing body temperature during hot weather, skin helps to maintain

Accepted Answer

A)  blood pH. 
B)  body temperature homeostasis. 
C)  brain activity. 
D)  body structure. 
E)  blood volume. 
A)  blood pH. 
B)  body temperature homeostasis. 
C)  brain activity. 
D)  body structure. 
E)  blood volume.

Question 19

Ringworm is an infection of the skin, hair, and nails caused by a

Accepted Answer

A)  parasite. 
B)  virus. 
C)  inflammation. 
D)  bacterium. 
E)  fungus. 
A)  parasite. 
B)  virus. 
C)  inflammation. 
D)  bacterium. 
E)  fungus.

Question 20

Which of the following statements is false?

Accepted Answer

A)  Sebaceous secretions are lipid soluble. 
B)  Secretions from sebaceous glands oil the hair and skin. 
C)  Secretions from sebaceous glands provide protection against bacteria. 
D)  Most sebaceous glands are connected by a duct to the upper portion of the hair follicle. 
E)  Sebaceous glands are an example of apocrine glands. 
A)  Sebaceous secretions are lipid soluble. 
B)  Secretions from sebaceous glands oil the hair and skin. 
C)  Secretions from sebaceous glands provide protection against bacteria. 
D)  Most sebaceous glands are connected by a duct to the upper portion of the hair follicle. 
E)  Sebaceous glands are an example of apocrine glands.

Exam 5: Integumentary System

Which of the following statements concerning vitamin D is false?

Describe the movement of melanin in the skin.

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

This is the site of fat storage in the skin.

The acne-associated bacterium Propionibacterium acnes are found in sebum-rich of the skin, such as the arms, palms, and axillary regions.

Skin color is the result of the

The epidermis

The nail root and the nail body attach to the

The activity of apocrine sweat glands

Which of the following functions is associated with the skin?

A burn classified as partial thickness could be _____.

Which vitamin begins its synthesis in the skin exposed to ultraviolet light?

The layer of epidermis that undergoes mitosis and forms new epidermal cells is the

The bluish tinge of skin due to a reduction of oxygen in the blood is called

All of the following statements concerning hair are true except one. Identify the exception.

The skin discoloration most likely to result from liver disease is

Sweat

By reducing body temperature during hot weather, skin helps to maintain

Ringworm is an infection of the skin, hair, and nails caused by a

Which of the following statements is false?

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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