Question 1

Skin color is the result of the

Accepted Answer

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

Question 2

What type of burn appears red and swollen along with pain and blisters?

Accepted Answer

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

Question 3

A slight sunburn is an example of a ______ burn.

Accepted Answer

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

Question 4

The length of hair is determined by the

Accepted Answer

A)  size of the hair bulb. 
B)  angle of the hair root. 
C)  rate of hair growth. 
D)  length of the resting stage. 
E)  age of the person. 
A)  size of the hair bulb. 
B)  angle of the hair root. 
C)  rate of hair growth. 
D)  length of the resting stage. 
E)  age of the person.

Question 5

Thick skin

Accepted Answer

A)  has three different epidermal strata. 
B)  has fewer layers of cells in the stratum corneum than thin skin. 
C)  is found covering most of the body. 
D)  is found in areas subject to pressure or friction such as palms. 
E)  is determined by the thickness of the dermis. 
A)  has three different epidermal strata. 
B)  has fewer layers of cells in the stratum corneum than thin skin. 
C)  is found covering most of the body. 
D)  is found in areas subject to pressure or friction such as palms. 
E)  is determined by the thickness of the dermis.

Question 6

The stratum basale

Accepted Answer

A)  is easily shed when you rub your hands together. 
B)  has a mixture of living and dead cells - mostly dead. 
C)  contains many blood vessels that nourish the epidermis. 
D)  contains cells that undergo mitosis to form new epidermal cells. 
E)  contains cells that undergo meiosis to form new epidermal cells. 
A)  is easily shed when you rub your hands together. 
B)  has a mixture of living and dead cells - mostly dead. 
C)  contains many blood vessels that nourish the epidermis. 
D)  contains cells that undergo mitosis to form new epidermal cells. 
E)  contains cells that undergo meiosis to form new epidermal cells.

Question 7

The distal portion 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

Acne is caused by

Accepted Answer

A)  testosterone. 
B)  sebum. 
C)  abnormal keratinization of hair follicles. 
D)  Propionibacterium. 
E)  All of these are factors. 
A)  testosterone. 
B)  sebum. 
C)  abnormal keratinization of hair follicles. 
D)  Propionibacterium. 
E)  All of these are factors.

Question 9

Which type of skin cancer is the most common?

Accepted Answer

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

Question 10

At birth the hairs of the scalp, eyelids, and eyebrows are replaced by coarser pigmented hairs called

Accepted Answer

A)  terminal hairs. 
B)  primary hairs. 
C)  lanugo hairs. 
D)  vellus hairs. 
E)  pubic hairs. 
A)  terminal hairs. 
B)  primary hairs. 
C)  lanugo hairs. 
D)  vellus hairs. 
E)  pubic hairs.

Question 11

Melanin is produced only by

Accepted Answer

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

Question 12

Which of the following statements is true?

Accepted Answer

A)  In males, the hairs of the beard are vellus hairs. 
B)  Both vellus and terminal hairs are pigmented. 
C)  The majority of hair on the chest is vellus hair. 
D)  At puberty, much of the vellus hair is replaced with terminal hair. 
E)  Hair in the axillary region is vellus hair after puberty. 
A)  In males, the hairs of the beard are vellus hairs. 
B)  Both vellus and terminal hairs are pigmented. 
C)  The majority of hair on the chest is vellus hair. 
D)  At puberty, much of the vellus hair is replaced with terminal hair. 
E)  Hair in the axillary region is vellus hair after puberty.

Question 13

The vesicles that contain melanin are

Accepted Answer

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

Question 14

Which of the following is an inflammatory condition of the skin?

Accepted Answer

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

Question 15

This layer of skin is composed of keratinocytes.

Accepted Answer

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

Question 16

The nail root and the nail body attach to the

Accepted Answer

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

Question 17

Which of the following is NOT a complication of a major burn?

Accepted Answer

A)  local edema 
B)  shock 
C)  increased immunity 
D)  decreased heart pumping ability 
E)  venous thrombosis 
A)  local edema 
B)  shock 
C)  increased immunity 
D)  decreased heart pumping ability 
E)  venous thrombosis

Question 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

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

Question 20

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

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

Exam 5: Integumentary System

Skin color is the result of the

What type of burn appears red and swollen along with pain and blisters?

A slight sunburn is an example of a ______ burn.

The length of hair is determined by the

Thick skin

The stratum basale

The distal portion of the nail is the

Acne is caused by

Which type of skin cancer is the most common?

At birth the hairs of the scalp, eyelids, and eyebrows are replaced by coarser pigmented hairs called

Melanin is produced only by

Which of the following statements is true?

The vesicles that contain melanin are

Which of the following is an inflammatory condition of the skin?

This layer of skin is composed of keratinocytes.

The nail root and the nail body attach to the

Which of the following is NOT a complication of a major burn?

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

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

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

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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