Question 1

Lanugo hair is replaced in a fetus by

Accepted Answer

A)  nominal hair. 
B)  no hair. 
C)  vellus hair. 
D)  dermal hair. 
A)  nominal hair. 
B)  no hair. 
C)  vellus hair. 
D)  dermal hair.

Question 2

Use the diagram above to answer the following questions.
-Which letter indicates the integument layer that corresponds to leather hides from an animal?

Accepted Answer

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

Question 3

Which of the following is not a current hypothesis proposed for the evolution of skin color?

Accepted Answer

A)  preventing damage to DNA 
B)  preventing damage to elastin 
C)  protecting the level of folic acid 
D)  protecting the level of vitamin D 
A)  preventing damage to DNA 
B)  preventing damage to elastin 
C)  protecting the level of folic acid 
D)  protecting the level of vitamin D

Question 4

Which layer of the skin invaginates downward to form sebum-producing glands?

Accepted Answer

A)  dermis 
B)  hypodermis 
C)  epidermis 
A)  dermis 
B)  hypodermis 
C)  epidermis

Question 5

The color of red or blonde hair is due to

Accepted Answer

A)  carotene. 
B)  oxygenated hemoglobin. 
C)  porphyrins. 
D)  a different type of melanin. 
A)  carotene. 
B)  oxygenated hemoglobin. 
C)  porphyrins. 
D)  a different type of melanin.

Question 6

A localized deposit of melanin in the epidermis is called a mole or a

Accepted Answer

A)  pimple. 
B)  freckle. 
C)  blister. 
D)  boil. 
A)  pimple. 
B)  freckle. 
C)  blister. 
D)  boil.

Question 7

Visible stretch marks on the skin surface are actually the result of microscopic tears in collagen fibers in which layer?

Accepted Answer

A)  dermis 
B)  hypodermis 
C)  epidermis 
A)  dermis 
B)  hypodermis 
C)  epidermis

Question 8

The subpapillary plexus

Accepted Answer

A)  nourishes the dermal papillae and epidermis. 
B)  nourishes the hypodermis and reticular layer of the dermis. 
C)  provides the sensation of fine touch. 
D)  provides the sensation of deep pressure. 
A)  nourishes the dermal papillae and epidermis. 
B)  nourishes the hypodermis and reticular layer of the dermis. 
C)  provides the sensation of fine touch. 
D)  provides the sensation of deep pressure.

Question 9

Identify the layer of the skin that contains most of the sensory receptors.

Accepted Answer

A)  dermis 
B)  hypodermis 
C)  epidermis 
A)  dermis 
B)  hypodermis 
C)  epidermis

Question 10

The type of skin cancer that is most common and has the lowest metastasis rate is

Accepted Answer

A)  basal cell carcinoma. 
B)  squamous cell carcinoma. 
C)  malignant melanoma. 
D)  leukopenia. 
A)  basal cell carcinoma. 
B)  squamous cell carcinoma. 
C)  malignant melanoma. 
D)  leukopenia.

Question 11

If you were to have liposuction, you would have tissue removed from which layer?

Accepted Answer

A)  dermis 
B)  hypodermis 
C)  epidermis 
A)  dermis 
B)  hypodermis 
C)  epidermis

Question 12

Which of the following is a sensory receptor?

Accepted Answer

A)  keratinocyte 
B)  melanocyte 
C)  dendritic cell 
D)  Pacinian corpuscle 
A)  keratinocyte 
B)  melanocyte 
C)  dendritic cell 
D)  Pacinian corpuscle

Question 13

Describe the effects of postpubescent aging on sebaceous glands, melanocytes, and the structure of the dermis.

Accepted Answer

As an individual ages, sebaceous glands

Question 14

In the ABCD rule for recognizing melanoma, the letter D stands for

Accepted Answer

A)  depth. 
B)  diameter. 
C)  dark. 
D)  density. 
A)  depth. 
B)  diameter. 
C)  dark. 
D)  density.

Question 15

Describe the location, characteristics, and function of the hypodermis.

Accepted Answer

The hypodermis, or superficial fascia, i

Question 16

When doctors make incisions on the body based on the lines of cleavage of the skin, these cleavage lines are based on the arrangement of collagen fibers in which layer of the skin?

Accepted Answer

A)  dermis 
B)  hypodermis 
C)  epidermis 
A)  dermis 
B)  hypodermis 
C)  epidermis

Question 17

The dendritic cells reside in the ________.

Accepted Answer

The answer of The dendritic cells reside in the ________....

Question 18

The integumentary structures that are derived from mesoderm and function in thermoregulation are

Accepted Answer

A)  nails. 
B)  hair. 
C)  sebaceous glands. 
D)  arrector pili muscles. 
A)  nails. 
B)  hair. 
C)  sebaceous glands. 
D)  arrector pili muscles.

Question 19

Pimples begin

Accepted Answer

A)  as localized infections in the hypodermis. 
B)  as tiny cuts and nicks in the skin. 
C)  when bacteria enter sweat pores. 
D)  when sebaceous glands become blocked by sebum. 
A)  as localized infections in the hypodermis. 
B)  as tiny cuts and nicks in the skin. 
C)  when bacteria enter sweat pores. 
D)  when sebaceous glands become blocked by sebum.

Question 20

Which statement is not part of the explanation for male pattern baldness?

Accepted Answer

A)  Cells of the hair matrix cease mitosis. 
B)  Hair growth cycles shorten. 
C)  Hair shafts may not reach the surface. 
D)  Terminal hairs are replaced by vellus hairs. 
A)  Cells of the hair matrix cease mitosis. 
B)  Hair growth cycles shorten. 
C)  Hair shafts may not reach the surface. 
D)  Terminal hairs are replaced by vellus hairs.

Exam 5: The Integumentary System

Lanugo hair is replaced in a fetus by

Use the diagram above to answer the following questions. -Which letter indicates the integument layer that corresponds to leather hides from an animal?

Which of the following is not a current hypothesis proposed for the evolution of skin color?

Which layer of the skin invaginates downward to form sebum-producing glands?

The color of red or blonde hair is due to

A localized deposit of melanin in the epidermis is called a mole or a

Visible stretch marks on the skin surface are actually the result of microscopic tears in collagen fibers in which layer?

The subpapillary plexus

Identify the layer of the skin that contains most of the sensory receptors.

The type of skin cancer that is most common and has the lowest metastasis rate is

If you were to have liposuction, you would have tissue removed from which layer?

Which of the following is a sensory receptor?

Describe the effects of postpubescent aging on sebaceous glands, melanocytes, and the structure of the dermis.

In the ABCD rule for recognizing melanoma, the letter D stands for

Describe the location, characteristics, and function of the hypodermis.

When doctors make incisions on the body based on the lines of cleavage of the skin, these cleavage lines are based on the arrangement of collagen fibers in which layer of the skin?

The dendritic cells reside in the ________.

The integumentary structures that are derived from mesoderm and function in thermoregulation are

Pimples begin

Which statement is not part of the explanation for male pattern baldness?

The Human Body: an Orientation

Cells: the Living Units

Basic Embryology

Tissues

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels

The Lymphatic and Immune Systems

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

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