Question 1

The distal portion of the nail is the

Accepted Answer

A) nail body. 
B) eponychium. 
C) nail fold. 
D) hyponychium. 
E) nail root. 
A) nail body. 
B) eponychium. 
C) nail fold. 
D) hyponychium. 
E) nail root.

Question 2

A yellow pigment derived from plants that can impart a yellow color to the skin is

Accepted Answer

A) albinism. 
B) cyanosis. 
C) carotene. 
D) dermatitis. 
E) melanosomes. 
A) albinism. 
B) cyanosis. 
C) carotene. 
D) dermatitis. 
E) melanosomes.

Question 3

As skin cells move toward the surface of the body,they produce a protein that reduces water loss.This process is called

Accepted Answer

A) desquamation. 
B) pollination. 
C) keratinization. 
D) germination. 
E) melaninization. 
A) desquamation. 
B) pollination. 
C) keratinization. 
D) germination. 
E) melaninization.

Question 4

A slight sunburn is an example of a ______ burn.

Accepted Answer

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

Question 5

Which of the following statements regarding melanin is true?

Accepted Answer

A) Men produce more melanin than women. 
B) In Addison's disease,less melanin is produced. 
C) During pregnancy melanin production is increased. 
D) Both melanocytes and keratinocytes produce melanin. 
E) Melanin is a white pigment. 
A) Men produce more melanin than women. 
B) In Addison's disease,less melanin is produced. 
C) During pregnancy melanin production is increased. 
D) Both melanocytes and keratinocytes produce melanin. 
E) Melanin is a white pigment.

Question 6

Cedric slipped and cut his finger.The cut bled,but did not penetrate to the hypodermis.The deepest layer penetrated was the

Accepted Answer

A) stratum corneum. 
B) papillary layer of the dermis. 
C) stratum spinosum. 
D) stratum basale. 
E) stratum granulosum. 
A) stratum corneum. 
B) papillary layer of the dermis. 
C) stratum spinosum. 
D) stratum basale. 
E) stratum granulosum.

Question 7

The bluish tinge of skin due to a reduction of oxygen in the blood is called

Accepted Answer

A) desquamation. 
B) hemolysis. 
C) cyanosis. 
D) carotenosis. 
E) albinism. 
A) desquamation. 
B) hemolysis. 
C) cyanosis. 
D) carotenosis. 
E) albinism.

Question 8

An increase in body temperature causes

Accepted Answer

A) sweating. 
B) an increase in melanin production. 
C) an increase in keratinization of the skin. 
D) arterioles in the dermis to constrict. 
E) arrector pili muscles to contract. 
A) sweating. 
B) an increase in melanin production. 
C) an increase in keratinization of the skin. 
D) arterioles in the dermis to constrict. 
E) arrector pili muscles to contract.

Question 9

At birth the hairs of the scalp,eyelids,and eyebrows are replaced by coarser pigmented hairs called

Accepted Answer

A) lanugo hairs. 
B) primary hairs. 
C) pubic hairs. 
D) vellus hairs. 
E) terminal hairs. 
A) lanugo hairs. 
B) primary hairs. 
C) pubic hairs. 
D) vellus hairs. 
E) terminal hairs.

Question 10

Due to the contraction of smooth muscle in the walls of the dermal blood vessels,

Accepted Answer

A) body heat is conserved. 
B) more blood enters into the heart. 
C) more blood flows to the skin. 
D) body temperature tends to drop in that area. 
E) the blood vessels become dilated. 
A) body heat is conserved. 
B) more blood enters into the heart. 
C) more blood flows to the skin. 
D) body temperature tends to drop in that area. 
E) the blood vessels become dilated.

Question 11

By covering the whole body surface,the skin acts as a protective barrier and plays a role in

Accepted Answer

A) respiration. 
B) circulation. 
C) digestion. 
D) excretion. 
E) immunity. 
A) respiration. 
B) circulation. 
C) digestion. 
D) excretion. 
E) immunity.

Question 12

Which of the following statements concerning the hypodermis is false?

Accepted Answer

A) The hypodermis attaches the skin to underlying bone and muscle. 
B) Hypodermis is composed of dense connective tissue with collagen and elastin fibers. 
C) Hypodermis is referred to as subcutaneous tissue. 
D) The main cell types of the hypodermis are fibroblasts,fat cells,and macrophages. 
E) The hypodermis is a site of fat storage. 
A) The hypodermis attaches the skin to underlying bone and muscle. 
B) Hypodermis is composed of dense connective tissue with collagen and elastin fibers. 
C) Hypodermis is referred to as subcutaneous tissue. 
D) The main cell types of the hypodermis are fibroblasts,fat cells,and macrophages. 
E) The hypodermis is a site of fat storage.

Question 13

Eccrine sweat glands

Accepted Answer

A) are not involved in the homeostasis of body temperature. 
B) produce a secretion that oils the hair and skin. 
C) serve as "anchors" for the arrector pili muscles. 
D) produce a secretion that protects the body from growth of bacteria. 
E) aid in cooling the body. 
A) are not involved in the homeostasis of body temperature. 
B) produce a secretion that oils the hair and skin. 
C) serve as "anchors" for the arrector pili muscles. 
D) produce a secretion that protects the body from growth of bacteria. 
E) aid in cooling the body.

Question 14

The skin that covers the lateral and proximal edges of the nail is the

Accepted Answer

A) hyponychium. 
B) nail root. 
C) nail fold. 
D) eponychium. 
E) nail body. 
A) hyponychium. 
B) nail root. 
C) nail fold. 
D) eponychium. 
E) nail body.

Question 15

An expanded knob at the base of the hair root is the

Accepted Answer

A) medulla. 
B) cuticle. 
C) hair bulb. 
D) root. 
E) shaft. 
A) medulla. 
B) cuticle. 
C) hair bulb. 
D) root. 
E) shaft.

Question 16

Which of the following statements is true?

Accepted Answer

A) Hair in the axillary region is vellus hair after puberty. 
B) At puberty,much of the vellus hair is replaced with terminal hair. 
C) Both vellus and terminal hairs are pigmented. 
D) In males,the hairs of the beard are vellus hairs. 
E) The majority of hair on the chest is vellus hair. 
A) Hair in the axillary region is vellus hair after puberty. 
B) At puberty,much of the vellus hair is replaced with terminal hair. 
C) Both vellus and terminal hairs are pigmented. 
D) In males,the hairs of the beard are vellus hairs. 
E) The majority of hair on the chest is vellus hair.

Question 17

Intact skin provides protection because

Accepted Answer

A) the skin enhances water loss from the body. 
B) macrophages roam in the epidermis. 
C) its secretions keep the skin slightly alkaline. 
D) the skin contains components of the excretory system. 
E) it forms a physical barrier against the entry of microbes. 
A) the skin enhances water loss from the body. 
B) macrophages roam in the epidermis. 
C) its secretions keep the skin slightly alkaline. 
D) the skin contains components of the excretory system. 
E) it forms a physical barrier against the entry of microbes.

Question 18

-What does structure "E" represent on the diagram?

Accepted Answer

A) arrector pili 
B) hypodermis 
C) sebaceous gland 
D)  epidermis and dermis 
E) hair follicle 
A) arrector pili 
B) hypodermis 
C) sebaceous gland 
D)  epidermis and dermis 
E) hair follicle

Question 19

Barney sat on a hot camp stove while on a camping trip.The burn was painful and blistered.He has what type of burn?

Accepted Answer

A) second degree 
B) fourth degree 
C) first degree 
D) fifth degree 
E) third degree 
A) second degree 
B) fourth degree 
C) first degree 
D) fifth degree 
E) third degree

Question 20

What will develop when the skin is subjected to excess friction or pressure?

Accepted Answer

A) papillae 
B) stretch marks 
C) callus 
D) melanoma 
E) carcinoma 
A) papillae 
B) stretch marks 
C) callus 
D) melanoma 
E) carcinoma

Exam 5: Integumentary System

The distal portion of the nail is the

A yellow pigment derived from plants that can impart a yellow color to the skin is

As skin cells move toward the surface of the body,they produce a protein that reduces water loss.This process is called

A slight sunburn is an example of a ______ burn.

Which of the following statements regarding melanin is true?

Cedric slipped and cut his finger.The cut bled,but did not penetrate to the hypodermis.The deepest layer penetrated was the

The bluish tinge of skin due to a reduction of oxygen in the blood is called

An increase in body temperature causes

At birth the hairs of the scalp,eyelids,and eyebrows are replaced by coarser pigmented hairs called

Due to the contraction of smooth muscle in the walls of the dermal blood vessels,

By covering the whole body surface,the skin acts as a protective barrier and plays a role in

Which of the following statements concerning the hypodermis is false?

Eccrine sweat glands

The skin that covers the lateral and proximal edges of the nail is the

An expanded knob at the base of the hair root is the

Which of the following statements is true?

Intact skin provides protection because

-What does structure "E" represent on the diagram?

Barney sat on a hot camp stove while on a camping trip.The burn was painful and blistered.He has what type of burn?

What will develop when the skin is subjected to excess friction or pressure?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition,metabolism,and Temperature Regulation

Urinary System

Water,electrolyte,and Acid-Based Balance

Reproductive System

Development,growth,aging,and Genetics

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