Question 1

Sensible perspiration is produced by ________ glands.

Accepted Answer

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

Question 2

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,more

Question 3

The type of cells that form the strata in the epidermis are

Accepted Answer

A) adipocytes. 
B) keratinocytes. 
C) fibroblasts. 
D) melanocytes. 
E) dendritic cells. 
A) adipocytes. 
B) keratinocytes. 
C) fibroblasts. 
D) melanocytes. 
E) dendritic cells.

Question 4

Water loss from insensible perspiration

Accepted Answer

A) is unaffected by damage to the epidermis. 
B) is too small to be measured reliably. 
C) is approximately 0.5 liters a day. 
D) always exceeds sensible perspiration. 
E) depends on apocrine sweat glands. 
A) is unaffected by damage to the epidermis. 
B) is too small to be measured reliably. 
C) is approximately 0.5 liters a day. 
D) always exceeds sensible perspiration. 
E) depends on apocrine sweat glands.

Question 5

A thickened area of scar tissue that is covered by a shiny,smooth epidermal surface is called a

Accepted Answer

A) keloid. 
B) contusion. 
C) hematoma. 
D) psoriasis. 
E) sclerotome. 
A) keloid. 
B) contusion. 
C) hematoma. 
D) psoriasis. 
E) sclerotome.

Question 6

If the papilla of a hair follicle is destroyed,

Accepted Answer

A) the hair produced by the follicle will change from terminal to vellus. 
B) the color of the hair will become lighter. 
C) the texture of the hair will become coarser. 
D) the hair matrix will lose its blood supply. 
E) hair production will not be affected. 
A) the hair produced by the follicle will change from terminal to vellus. 
B) the color of the hair will become lighter. 
C) the texture of the hair will become coarser. 
D) the hair matrix will lose its blood supply. 
E) hair production will not be affected.

Question 7

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 8

The skin appearance that results from dark-red hemoglobin is called

Accepted Answer

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

Question 9

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

Question 10

Skin inflammation that primarily involves the papillary layer is termed

Accepted Answer

A) papillitis. 
B) dermatitis. 
C) epidermatitis. 
D) superficialis. 
E) melanocytis. 
A) papillitis. 
B) dermatitis. 
C) epidermatitis. 
D) superficialis. 
E) melanocytis.

Question 11

When the arrector pili muscles contract,

Accepted Answer

A) "goose bumps" are formed. 
B) hairs are shed. 
C) sweat is released from sweat glands. 
D) shivering occurs. 
E) the skin changes color. 
A) "goose bumps" are formed. 
B) hairs are shed. 
C) sweat is released from sweat glands. 
D) shivering occurs. 
E) the skin changes color.

Question 12

Which of the following statements about rickets is not true?

Accepted Answer

A) It is usually genetic. 
B) It leads to weak bones. 
C) It leads to skeletal deformity. 
D) It is prevented by vitamin D. 
E) It is prevented by sunlight. 
A) It is usually genetic. 
B) It leads to weak bones. 
C) It leads to skeletal deformity. 
D) It is prevented by vitamin D. 
E) It is prevented by sunlight.

Question 13

A full-thickness burn injury can be life threatening.A physician treating a burn victim would likely order all of the following except

Accepted Answer

A) IV (intravenous)fluids and electrolytes. 
B) ice packs applied to the burn area. 
C) a high-calorie diet. 
D) skin grafts. 
E) antibiotics. 
A) IV (intravenous)fluids and electrolytes. 
B) ice packs applied to the burn area. 
C) a high-calorie diet. 
D) skin grafts. 
E) antibiotics.

Question 14

Vanessa's 80-year-old grandmother sets her thermostat at 26°C (80°F)and wears a sweater on balmy spring days.When asked why,the grandmother says she feels cold.What is a possible cause for her feeling cold?

Accepted Answer

Most elderly people have poor

Question 15

The clinical term for a bruise is a(n)

Accepted Answer

A) infarction. 
B) contusion. 
C) hemorrhage. 
D) sclerotome. 
E) thrombus. 
A) infarction. 
B) contusion. 
C) hemorrhage. 
D) sclerotome. 
E) thrombus.

Question 16

Each of the following is a function of the integumentary system except

Accepted Answer

A) protection of underlying tissue. 
B) excretion of salts and wastes. 
C) maintenance of body temperature. 
D) synthesis of vitamin C. 
E) detection of sensations. 
A) protection of underlying tissue. 
B) excretion of salts and wastes. 
C) maintenance of body temperature. 
D) synthesis of vitamin C. 
E) detection of sensations.

Question 17

Merocrine sweat contains ________ to protect against bacteria.

Accepted Answer

A) metabolic wastes 
B) water 
C) penicillin 
D) dermicidin 
E) organic nutrients 
A) metabolic wastes 
B) water 
C) penicillin 
D) dermicidin 
E) organic nutrients

Question 18

All of the following are true of epidermal ridges except that they

Accepted Answer

A) extend into the hypodermis. 
B) increase surface area and friction on fingertips. 
C) cause ridge patterns on the surface of the skin. 
D) produce patterns that are determined partially genetically. 
E) interconnect with the dermal papillae. 
A) extend into the hypodermis. 
B) increase surface area and friction on fingertips. 
C) cause ridge patterns on the surface of the skin. 
D) produce patterns that are determined partially genetically. 
E) interconnect with the dermal papillae.

Question 19

Epidermal growth factor exerts which of these effects on the epidermis?

Accepted Answer

A) promotes cell division 
B) stimulates keratin synthesis 
C) accelerates tissue repair 
D) speeds up glandular function 
E) All of the answers are correct. 
A) promotes cell division 
B) stimulates keratin synthesis 
C) accelerates tissue repair 
D) speeds up glandular function 
E) All of the answers are correct.

Question 20

Which of the following statements concerning sebaceous glands and sebum is false?

Accepted Answer

A) Most sebaceous glands are coiled tubular glands. 
B) Most sebaceous glands open into hair follicles. 
C) Sebum functions to lubricate the hair and skin. 
D) Sebum can function as an antibiotic. 
E) Acne involves inflammation of sebaceous glands. 
A) Most sebaceous glands are coiled tubular glands. 
B) Most sebaceous glands open into hair follicles. 
C) Sebum functions to lubricate the hair and skin. 
D) Sebum can function as an antibiotic. 
E) Acne involves inflammation of sebaceous glands.

Exam 5: The Integumentary System

Sensible perspiration is produced by ________ glands.

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.

The type of cells that form the strata in the epidermis are

Water loss from insensible perspiration

A thickened area of scar tissue that is covered by a shiny,smooth epidermal surface is called a

If the papilla of a hair follicle is destroyed,

Skin can regenerate effectively even after considerable damage has occurred because

The skin appearance that results from dark-red hemoglobin is called

Skin inflammation that primarily involves the papillary layer is termed

When the arrector pili muscles contract,

Which of the following statements about rickets is not true?

A full-thickness burn injury can be life threatening.A physician treating a burn victim would likely order all of the following except

Vanessa's 80-year-old grandmother sets her thermostat at 26°C (80°F)and wears a sweater on balmy spring days.When asked why,the grandmother says she feels cold.What is a possible cause for her feeling cold?

The clinical term for a bruise is a(n)

Each of the following is a function of the integumentary system except

Merocrine sweat contains ________ to protect against bacteria.

All of the following are true of epidermal ridges except that they

Epidermal growth factor exerts which of these effects on the epidermis?

Which of the following statements concerning sebaceous glands and sebum is false?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Neural 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 and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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