Question 1

All of the following are True of epidermal ridges, except that they

Accepted Answer

A)  extend into the dermis. 
B)  contain increased numbers of free nerve endings. 
C)  cause ridge patterns on the surface of the skin. 
D)  produce patterns that are determined genetically. 
E)  interconnect with the dermal papillae. 
A)  extend into the dermis. 
B)  contain increased numbers of free nerve endings. 
C)  cause ridge patterns on the surface of the skin. 
D)  produce patterns that are determined genetically. 
E)  interconnect with the dermal papillae.

Question 2

Merocrine sweat glands

Accepted Answer

A)  are compound alveolar glands. 
B)  produce organic secretions that are metabolized by bacteria to produce body odor. 
C)  secrete a watery fluid directly onto the surface of the skin. 
D)  increase in number and activity with aging. 
E)  primarily function in lubricating the hairs. 
A)  are compound alveolar glands. 
B)  produce organic secretions that are metabolized by bacteria to produce body odor. 
C)  secrete a watery fluid directly onto the surface of the skin. 
D)  increase in number and activity with aging. 
E)  primarily function in lubricating the hairs.

Question 3

Why is a subcutaneous injection with a hypodermic needle a useful method of administering drugs?

Accepted Answer

The subcutaneous layer has a l

Question 4

Nail production occurs at the nail

Accepted Answer

A)  body. 
B)  bed. 
C)  root. 
D)  cuticle. 
E)  hyponychium. 
A)  body. 
B)  bed. 
C)  root. 
D)  cuticle. 
E)  hyponychium.

Question 5

Which of the following is not an effect of ultraviolet radiation?

Accepted Answer

A)  increased activity by melanocytes 
B)  production of cholecalciferol within epidermal cells 
C)  wrinkles 
D)  chromosomal damage in germinative cells or melanocytes 
E)  hair growth 
A)  increased activity by melanocytes 
B)  production of cholecalciferol within epidermal cells 
C)  wrinkles 
D)  chromosomal damage in germinative cells or melanocytes 
E)  hair growth

Question 6

When the hair follicles of the scalp shift from producing terminal hairs to producing club hairs, ________ occurs.

Accepted Answer

A)  baldness 
B)  hirsutism 
C)  puberty 
D)  albinism 
E)  senility 
A)  baldness 
B)  hirsutism 
C)  puberty 
D)  albinism 
E)  senility

Question 7

In a penetrating wound, ________ divide to produce mobile cells that repair the dermis.

Accepted Answer

A)  granulation cells 
B)  dendritic cells 
C)  macrophages 
D)  fibroblasts 
E)  muscle cells 
A)  granulation cells 
B)  dendritic cells 
C)  macrophages 
D)  fibroblasts 
E)  muscle cells

Question 8

An albino individual lacks the ability to produce

Accepted Answer

A)  melanin. 
B)  keratin. 
C)  carotene. 
D)  perspiration. 
E)  hemoglobin. 
A)  melanin. 
B)  keratin. 
C)  carotene. 
D)  perspiration. 
E)  hemoglobin.

Question 9

The combination of fibrin clot, fibroblasts, and extensive capillary network that is formed in injured skin is called ________.

Accepted Answer

The answer of The combination of fibrin clot, fibroblasts, and...

Question 10

At the base of a nail, keratinized skin called the cuticle is also called the

Accepted Answer

A)  eponychium. 
B)  lunula. 
C)  hyponychium. 
D)  cerumen. 
E)  phalanx. 
A)  eponychium. 
B)  lunula. 
C)  hyponychium. 
D)  cerumen. 
E)  phalanx.

Question 11

________ are fine hairs (like "velvet") that lack pigment and cover much of the body surface.

Accepted Answer

The answer of ________ are fine hairs (like "velvet") that...

Question 12

The effects of aging on the skin include

Accepted Answer

A)  a decline in the activity of sebaceous glands. 
B)  increased production of vitamin D. 
C)  thickening of the epidermis. 
D)  an increased blood supply to the dermis. 
E)  an increased number of sweat glands. 
A)  a decline in the activity of sebaceous glands. 
B)  increased production of vitamin D. 
C)  thickening of the epidermis. 
D)  an increased blood supply to the dermis. 
E)  an increased number of sweat glands.

Question 13

Explain why the rate of dehydration is greater when a person is immersed in seawater than when in fresh water.

Accepted Answer

Salty ocean water is very hypertonic com

Question 14

A thickened area of scar tissue that is covered by a shiny, smooth epidermal surface is called a(n) ________.

Accepted Answer

The answer of A thickened area of scar tissue that...

Question 15

Hairs are produced within organs called ________.

Accepted Answer

The answer of Hairs are produced within organs called ________....

Question 16

Many medications can be administered transdermally by applying patches that contain the medication to the surface of the skin. These patches can be attached anywhere on the skin except the palms of the hands and the soles of the feet. Why?

Accepted Answer

Thick skin slows the rate of diffusion o

Question 17

In a condition known as sunstroke, the victim appears flushed, the skin is warm and dry, and the body temperature rises dramatically. Explain these observations based on what you know concerning the role of the skin in thermoregulation.

Accepted Answer

When the body temperature increases, mor

Question 18

Melanin is produced by melanocytes within the stratum ________.

Accepted Answer

The answer of Melanin is produced by melanocytes within the...

Question 19

Variations in hair color reflect differences in the pigment produced by

Accepted Answer

A)  keratinocytes. 
B)  melanocytes. 
C)  dermal papillae. 
D)  soft keratin. 
E)  carotene cells. 
A)  keratinocytes. 
B)  melanocytes. 
C)  dermal papillae. 
D)  soft keratin. 
E)  carotene cells.

Question 20

A new mother notices that her 6-month-old infant has a yellow-orange complexion. Fearful that the child may have jaundice, she takes him to her pediatrician. After examining the child and learning about the infant's diet, the pediatrician declares him perfectly healthy and advises the mother to watch the child's diet. What is likely the cause for the change in skin color?

Accepted Answer

The infant probably has a fondness for v

Exam 5: The Integumentary System

All of the following are True of epidermal ridges, except that they

Merocrine sweat glands

Why is a subcutaneous injection with a hypodermic needle a useful method of administering drugs?

Nail production occurs at the nail

Which of the following is not an effect of ultraviolet radiation?

When the hair follicles of the scalp shift from producing terminal hairs to producing club hairs, ________ occurs.

In a penetrating wound, ________ divide to produce mobile cells that repair the dermis.

An albino individual lacks the ability to produce

The combination of fibrin clot, fibroblasts, and extensive capillary network that is formed in injured skin is called ________.

At the base of a nail, keratinized skin called the cuticle is also called the

________ are fine hairs (like "velvet") that lack pigment and cover much of the body surface.

The effects of aging on the skin include

Explain why the rate of dehydration is greater when a person is immersed in seawater than when in fresh water.

A thickened area of scar tissue that is covered by a shiny, smooth epidermal surface is called a(n) ________.

Hairs are produced within organs called ________.

Many medications can be administered transdermally by applying patches that contain the medication to the surface of the skin. These patches can be attached anywhere on the skin except the palms of the hands and the soles of the feet. Why?

In a condition known as sunstroke, the victim appears flushed, the skin is warm and dry, and the body temperature rises dramatically. Explain these observations based on what you know concerning the role of the skin in thermoregulation.

Melanin is produced by melanocytes within the stratum ________.

Variations in hair color reflect differences in the pigment produced by

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Skeletal Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood and Blood Vessels

The Heart and Cardiovascular Function

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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