Question 1

Characteristics of the epidermis include

Accepted Answer

A)  multilayered. 
B)  flexible. 
C)  contains desmosomes. 
D)  serves as UV radiation protection. 
E)  All of the answers are correct. 
A)  multilayered. 
B)  flexible. 
C)  contains desmosomes. 
D)  serves as UV radiation protection. 
E)  All of the answers are correct.

Question 2

A fibrin clot that is formed over a skin wound is called a

Accepted Answer

A)  scar. 
B)  keloid. 
C)  graft. 
D)  scab. 
E)  plug. 
A)  scar. 
B)  keloid. 
C)  graft. 
D)  scab. 
E)  plug.

Question 3

Melanin is produced by melanocytes within the stratum

Accepted Answer

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

Question 4

What are the dermal sensory structures that sense deep pressure?

Accepted Answer

A)  Meissner's corpuscles 
B)  lamellar corpuscle 
C)  tactile corpuscles 
D)  tactile dics 
E)  Merkel cells 
A)  Meissner's corpuscles 
B)  lamellar corpuscle 
C)  tactile corpuscles 
D)  tactile dics 
E)  Merkel cells

Question 5

Cyanosis signifies that a patient has

Accepted Answer

A)  had too much sun. 
B)  been kept out of the sun. 
C)  an allergic reaction. 
D)  oxygen-starved skin. 
E)  been exposed to cyanide. 
A)  had too much sun. 
B)  been kept out of the sun. 
C)  an allergic reaction. 
D)  oxygen-starved skin. 
E)  been exposed to cyanide.

Question 6

Why is regional infection or inflammation of the skin usually very painful?

Accepted Answer

Inflammation of the skin is pa

Question 7

A surgical incision parallel to the lines of cleavage

Accepted Answer

A)  closes and heals with relatively little scarring. 
B)  has a tendency to reopen. 
C)  heals slower than incisions made perpendicular to the lines of cleavage. 
D)  does not affect the healing process. 
E)  requires no sutures. 
A)  closes and heals with relatively little scarring. 
B)  has a tendency to reopen. 
C)  heals slower than incisions made perpendicular to the lines of cleavage. 
D)  does not affect the healing process. 
E)  requires no sutures.

Question 8

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 9

Skin can regenerate effectively even after considerable damage has occurred because

Accepted Answer

A)  the epidermis of the skin has a rich supply of small blood vessels. 
B)  stem cells persist in the skin even after injury. 
C)  fibroblasts in the dermis can give rise to new germinal cells in the epidermis. 
D)  contraction in the area of the injury brings cells of adjacent strata together. 
E)  cells of the stratum basale cannot migrate to other positions in the skin. 
A)  the epidermis of the skin has a rich supply of small blood vessels. 
B)  stem cells persist in the skin even after injury. 
C)  fibroblasts in the dermis can give rise to new germinal cells in the epidermis. 
D)  contraction in the area of the injury brings cells of adjacent strata together. 
E)  cells of the stratum basale cannot migrate to other positions in the skin.

Question 10

Children in northern regions experience months of inadequate sunlight exposure on the skin. To prevent possible abnormal bone development, what essential organic nutrient is necessary in the diet?

Accepted Answer

A)  vitamin C 
B)  calcium 
C)  cholecalciferol 
D)  protein 
E)  retinol-A 
A)  vitamin C 
B)  calcium 
C)  cholecalciferol 
D)  protein 
E)  retinol-A

Question 11

If a fair-skinned person is outside on a hot sunny day, why does his or her skin turn red?

Accepted Answer

A)  The blood flow to the skin increases. 
B)  The number of red melanocytes in the skin increases. 
C)  Melanocytes increase production of red pigments. 
D)  Carotene production greatly increases. 
E)  Decreased heat causes the skin to turn red. 
A)  The blood flow to the skin increases. 
B)  The number of red melanocytes in the skin increases. 
C)  Melanocytes increase production of red pigments. 
D)  Carotene production greatly increases. 
E)  Decreased heat causes the skin to turn red.

Question 12

________ sweat glands are widely distributed across the body surface, ________ glands are located whereverhair follicles exist, and ________ sweat glands are found only in a few areas.

Accepted Answer

A)  Sebaceous; merocrine; apocrine 
B)  Apocrine; merocrine; sebaceous 
C)  Merocrine; sebaceous; apocrine 
D)  Merocrine; apocrine; sebaceous 
E)  Apocrine; sebaceous; merocrine 
A)  Sebaceous; merocrine; apocrine 
B)  Apocrine; merocrine; sebaceous 
C)  Merocrine; sebaceous; apocrine 
D)  Merocrine; apocrine; sebaceous 
E)  Apocrine; sebaceous; merocrine

Question 13

The ________ glands in the axilla become active at the time of puberty.

Accepted Answer

A)  ceruminous 
B)  apocrine sweat 
C)  merocrine sweat 
D)  sebaceous 
E)  axillary 
A)  ceruminous 
B)  apocrine sweat 
C)  merocrine sweat 
D)  sebaceous 
E)  axillary

Question 14

While assessing a patient, you discover that after pinching the skin on the back of the hand, it remainspeaked. This is a sign of

Accepted Answer

A)  hydration intoxication. 
B)  water intoxication. 
C)  dehydration. 
D)  advanced skin cancer. 
E)  malfunctioning elastin. 
A)  hydration intoxication. 
B)  water intoxication. 
C)  dehydration. 
D)  advanced skin cancer. 
E)  malfunctioning elastin.

Question 15

The amount of time it takes for a cell to progress from stratum basale to stratum corneum is

Accepted Answer

A)  7-10 days. 
B)  14 days. 
C)  5 days. 
D)  1 day. 
E)  1 minute. 
A)  7-10 days. 
B)  14 days. 
C)  5 days. 
D)  1 day. 
E)  1 minute.

Question 16

Figure 5-1 The Components of the Integumentary System

Use Figure 5-1 to answer the following questions:
-Which layer contains most of the accessory structures?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 17

Charlie is badly burned in an accident. When he reaches the emergency room, the examining physician finds that he can remove entire hair follicles from Charlie's arm when he gently pulls on a hair with his forceps. Charlie is suffering from a(n) ________ burn.

Accepted Answer

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

Question 18

Thin skin contains ________ epidermal layer(s) and thick skin contains ________ layers.

Accepted Answer

A)  1; 2 
B)  2; 3 
C)  3; 4 
D)  4; 5 
E)  5; 6 
A)  1; 2 
B)  2; 3 
C)  3; 4 
D)  4; 5 
E)  5; 6

Question 19

Why is scab formation important in wound healing?

Accepted Answer

Scabs temporarily restore epidermal inte

Question 20

The nail body covers the

Accepted Answer

A)  nail root. 
B)  nail bed. 
C)  lunula. 
D)  free edge. 
E)  hyponychium. 
A)  nail root. 
B)  nail bed. 
C)  lunula. 
D)  free edge. 
E)  hyponychium.

Exam 5: The Integumentary System

Characteristics of the epidermis include

A fibrin clot that is formed over a skin wound is called a

Melanin is produced by melanocytes within the stratum

What are the dermal sensory structures that sense deep pressure?

Cyanosis signifies that a patient has

Why is regional infection or inflammation of the skin usually very painful?

A surgical incision parallel to the lines of cleavage

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.

Skin can regenerate effectively even after considerable damage has occurred because

Children in northern regions experience months of inadequate sunlight exposure on the skin. To prevent possible abnormal bone development, what essential organic nutrient is necessary in the diet?

If a fair-skinned person is outside on a hot sunny day, why does his or her skin turn red?

________ sweat glands are widely distributed across the body surface, ________ glands are located whereverhair follicles exist, and ________ sweat glands are found only in a few areas.

The ________ glands in the axilla become active at the time of puberty.

While assessing a patient, you discover that after pinching the skin on the back of the hand, it remainspeaked. This is a sign of

The amount of time it takes for a cell to progress from stratum basale to stratum corneum is

Figure 5-1 The Components of the Integumentary System Use Figure 5-1 to answer the following questions: -Which layer contains most of the accessory structures?

Charlie is badly burned in an accident. When he reaches the emergency room, the examining physician finds that he can remove entire hair follicles from Charlie's arm when he gently pulls on a hair with his forceps. Charlie is suffering from a(n) ________ burn.

Thin skin contains ________ epidermal layer(s) and thick skin contains ________ layers.

Why is scab formation important in wound healing?

The nail body covers the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

sweat glands are widely distributed across the body surface, glands are located whereverhair follicles exist, and sweat glands are found only in a few areas.

Thin skin contains epidermal layer(s) and thick skin contains layers.