Question 1

The reticular layer's collagen fibers directly provide which function?

Accepted Answer

A) prevent damage to the tissue 
B) nourish the epidermis 
C) provide flexibility 
D) provide sensory information 
E) increase surface area of the dermis 
A) prevent damage to the tissue 
B) nourish the epidermis 
C) provide flexibility 
D) provide sensory information 
E) increase surface area of the dermis

Question 2

Epidermal cells are supplied with nutrients from blood vessels in the

Accepted Answer

A) dermis. 
B) epidermis. 
C) hypodermis. 
D) epidermis and dermis. 
E) subcutaneous layer. 
A) dermis. 
B) epidermis. 
C) hypodermis. 
D) epidermis and dermis. 
E) subcutaneous layer.

Question 3

The ________ layer of the dermis contains bundles of collagen fibers and elastin,and is responsible for the mechanical strength and flexibility of the skin.

Accepted Answer

A) germinative 
B) reticular 
C) subcutaneous 
D) papillary 
E) corneal 
A) germinative 
B) reticular 
C) subcutaneous 
D) papillary 
E) corneal

Question 4

The highly vascular layer of the skin,which provides thermoregulation via changing blood flow,is the

Accepted Answer

A) epidermis. 
B) subcutaneous layer. 
C) stratum basale. 
D) stratum corneum. 
E) dermis. 
A) epidermis. 
B) subcutaneous layer. 
C) stratum basale. 
D) stratum corneum. 
E) dermis.

Question 5

Elderly people tend to have rougher skin and more brittle hair than younger people.What structure is associated with this problem?

Accepted Answer

A) merocrine glands 
B) sebaceous glands 
C) ceruminous glands 
D) apocrine glands 
E) eccrine glands 
A) merocrine glands 
B) sebaceous glands 
C) ceruminous glands 
D) apocrine glands 
E) eccrine glands

Question 6

Through which mechanism does perspiration function in cooling the body?

Accepted Answer

A) conduction 
B) evaporation 
C) convection 
D) radiation 
E) diffusion 
A) conduction 
B) evaporation 
C) convection 
D) radiation 
E) diffusion

Question 7

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

Accepted Answer

When the body temperature increases,more

Question 8

The type of burn that injures the hypodermis,deeper tissues,and organs is a

Accepted Answer

A) first-degree burn. 
B) second-degree burn. 
C) third-degree burn. 
D) partial-thickness burn. 
E) semi-partial-thickness burn. 
A) first-degree burn. 
B) second-degree burn. 
C) third-degree burn. 
D) partial-thickness burn. 
E) semi-partial-thickness burn.

Question 9

What is the function of melanin?

Accepted Answer

A) It provides water-resistant properties to the integument. 
B) It continuously divides to replace cells that are lost or shed at the epithelial surface. 
C) It is converted by the kidneys into the hormone calcitriol. 
D) It is required for the normal maintenance of epithelial cells. 
E) It protects DNA from the damaging effects of ultraviolet radiation. 
A) It provides water-resistant properties to the integument. 
B) It continuously divides to replace cells that are lost or shed at the epithelial surface. 
C) It is converted by the kidneys into the hormone calcitriol. 
D) It is required for the normal maintenance of epithelial cells. 
E) It protects DNA from the damaging effects of ultraviolet radiation.

Question 10

Projections of loose connective tissue from the dermis,which extend upward between the adjacent ridges of the epidermis,are called

Accepted Answer

A) epidermal ridges. 
B) strata. 
C) reticular layers. 
D) accessory structures. 
E) dermal papillae. 
A) epidermal ridges. 
B) strata. 
C) reticular layers. 
D) accessory structures. 
E) dermal papillae.

Question 11

In other mammals,the ________ glands function as scent glands,providing an important form of communication.

Accepted Answer

A) eccrine 
B) sebaceous 
C) apocrine 
D) mammary 
E) merocrine 
A) eccrine 
B) sebaceous 
C) apocrine 
D) mammary 
E) merocrine

Question 12

The function of the secretion of a sebaceous gland is

Accepted Answer

A) cell lysis. 
B) thermoregulation. 
C) lubrication. 
D) contraction. 
E) energy. 
A) cell lysis. 
B) thermoregulation. 
C) lubrication. 
D) contraction. 
E) energy.

Question 13

A hair shaft is composed of

Accepted Answer

A) melanin. 
B) carotene. 
C) starch. 
D) lipid. 
E) keratin. 
A) melanin. 
B) carotene. 
C) starch. 
D) lipid. 
E) keratin.

Question 14

The function of structure E is

Accepted Answer

A) to attach the hair shaft firmly to the dermis so that it does not move. 
B) the deposition of high concentrations of melanin to color the hair shaft. 
C) the production of new cells that will make the hair shaft longer. 
D) the production of hormones that can affect the growth cycles of the hair follicle. 
E) to change the orientation of the hair shaft. 
A) to attach the hair shaft firmly to the dermis so that it does not move. 
B) the deposition of high concentrations of melanin to color the hair shaft. 
C) the production of new cells that will make the hair shaft longer. 
D) the production of hormones that can affect the growth cycles of the hair follicle. 
E) to change the orientation of the hair shaft.

Question 15

The pale crescent area of the nail is called the

Accepted Answer

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

Question 16

The protein that contributes to many of the skin's protective qualities is called

Accepted Answer

A) melanin. 
B) keratin. 
C) carotene. 
D) dermicidin. 
E) calcitriol. 
A) melanin. 
B) keratin. 
C) carotene. 
D) dermicidin. 
E) calcitriol.

Question 17

Which statement is correct?

Accepted Answer

A) Using expensive hair products can enhance the mitotic growth of hair cells within the shaft. 
B) A hair shaft is made of varying densities and consistencies of keratin. 
C) All hairs have the same growth cycle until mid-life. 
D) Carotene is the major pigment that colors hair shafts. 
E) Any hair loss signifies a medical condition,which should be checked by a doctor. 
A) Using expensive hair products can enhance the mitotic growth of hair cells within the shaft. 
B) A hair shaft is made of varying densities and consistencies of keratin. 
C) All hairs have the same growth cycle until mid-life. 
D) Carotene is the major pigment that colors hair shafts. 
E) Any hair loss signifies a medical condition,which should be checked by a doctor.

Question 18

Which of the following is the correct order of the layers of the cutaneous membrane?

Accepted Answer

A) epidermis,hypodermis,dermis 
B) dermis,epidermis,hypodermis 
C) epidermis,dermis,hypodermis 
D) hypodermis,dermis,epidermis 
E) dermis,hypodermis,dermis 
A) epidermis,hypodermis,dermis 
B) dermis,epidermis,hypodermis 
C) epidermis,dermis,hypodermis 
D) hypodermis,dermis,epidermis 
E) dermis,hypodermis,dermis

Question 19

A small amount of ultraviolet radiation is beneficial because it

Accepted Answer

A) increases blood flow in the dermis. 
B) stimulates the synthesis of photoreceptor pigments in the eye. 
C) constricts blood vessels in the dermis. 
D) stimulates vitamin D3 synthesis in the epidermis. 
E) adjusts overall gland secretion rates in the body. 
A) increases blood flow in the dermis. 
B) stimulates the synthesis of photoreceptor pigments in the eye. 
C) constricts blood vessels in the dermis. 
D) stimulates vitamin D3 synthesis in the epidermis. 
E) adjusts overall gland secretion rates in the body.

Question 20

Choose the correct order of the cell layers,or strata,in a section of thick skin,from the basement membrane toward the free surface (deep to superficial). 1.stratum lucidum
2.stratum basale
3.stratum corneum
4.stratum granulosum
5.stratum spinosum

Accepted Answer

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

The reticular layer's collagen fibers directly provide which function?

Epidermal cells are supplied with nutrients from blood vessels in the

The ________ layer of the dermis contains bundles of collagen fibers and elastin,and is responsible for the mechanical strength and flexibility of the skin.

The highly vascular layer of the skin,which provides thermoregulation via changing blood flow,is the

Elderly people tend to have rougher skin and more brittle hair than younger people.What structure is associated with this problem?

Through which mechanism does perspiration function in cooling the body?

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

The type of burn that injures the hypodermis,deeper tissues,and organs is a

What is the function of melanin?

Projections of loose connective tissue from the dermis,which extend upward between the adjacent ridges of the epidermis,are called

In other mammals,the ________ glands function as scent glands,providing an important form of communication.

The function of the secretion of a sebaceous gland is

A hair shaft is composed of

The function of structure E is

The pale crescent area of the nail is called the

The protein that contributes to many of the skin's protective qualities is called

Which statement is correct?

Which of the following is the correct order of the layers of the cutaneous membrane?

A small amount of ultraviolet radiation is beneficial because it

Choose the correct order of the cell layers,or strata,in a section of thick skin,from the basement membrane toward the free surface (deep to superficial). 1.stratum lucidum 2.stratum basale 3.stratum corneum 4.stratum granulosum 5.stratum spinosum

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

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Exam 5: The Integumentary System

The reticular layer's collagen fibers directly provide which function?

Epidermal cells are supplied with nutrients from blood vessels in the

The ________ layer of the dermis contains bundles of collagen fibers and elastin,and is responsible for the mechanical strength and flexibility of the skin.

The highly vascular layer of the skin,which provides thermoregulation via changing blood flow,is the

Elderly people tend to have rougher skin and more brittle hair than younger people.What structure is associated with this problem?

Through which mechanism does perspiration function in cooling the body?

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

The type of burn that injures the hypodermis,deeper tissues,and organs is a

What is the function of melanin?

Projections of loose connective tissue from the dermis,which extend upward between the adjacent ridges of the epidermis,are called

In other mammals,the ________ glands function as scent glands,providing an important form of communication.

The function of the secretion of a sebaceous gland is

A hair shaft is composed of

The function of structure E is

The pale crescent area of the nail is called the

The protein that contributes to many of the skin's protective qualities is called

Which statement is correct?

Which of the following is the correct order of the layers of the cutaneous membrane?

A small amount of ultraviolet radiation is beneficial because it

Choose the correct order of the cell layers,or strata,in a section of thick skin,from the basement membrane toward the free surface (deep to superficial). 1.stratum lucidum 2.stratum basale 3.stratum corneum 4.stratum granulosum 5.stratum spinosum

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters