Question 1

This layer of the epidermis contains layers of flattened keratinocytes that are going through apoptosis.

Accepted Answer

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

Question 2

Which of the following statements is most accurate?

Accepted Answer

A)  Cells in the stratum granulosum exhibit a high rate of mitotic division. 
B)  The epidermis is highly regenerative and richly vascular. 
C)  The reticular layer of the dermis is made mostly of dense irregular connective tissue. 
D)  The lamellated corpuscles found near keratinocytes contain precursor forms of the protein keratin. 
E)  Thin skin has five distinct layers called strata. 
A)  Cells in the stratum granulosum exhibit a high rate of mitotic division. 
B)  The epidermis is highly regenerative and richly vascular. 
C)  The reticular layer of the dermis is made mostly of dense irregular connective tissue. 
D)  The lamellated corpuscles found near keratinocytes contain precursor forms of the protein keratin. 
E)  Thin skin has five distinct layers called strata. C

Question 3

In the diagram, where is the sebaceous gland?

Accepted Answer

A)  C 
B)  D 
C)  E 
D)  F 
E)  H 
A)  C 
B)  D 
C)  E 
D)  F 
E)  H A

Question 4

Which part of a hair would be activated to send a nerve impulse if an insect crawling on your arm bumped the hair?

Accepted Answer

A)  arrector pili 
B)  hair follicle 
C)  hair root plexus 
D)  dermal root sheath 
E)  hair matrix 
A)  arrector pili 
B)  hair follicle 
C)  hair root plexus 
D)  dermal root sheath 
E)  hair matrix

Question 5

The dermis and stratum corneum accumulate a yellow-orange pigment when you eat foods, such as egg yolk and carrots, that are rich in ___.

Accepted Answer

A)  indole 
B)  carotene 
C)  tannic acid 
D)  melanin 
E)  rhodopsin 
A)  indole 
B)  carotene 
C)  tannic acid 
D)  melanin 
E)  rhodopsin

Question 6

What is another name for the subcutaneous layer?

Accepted Answer

A)  dermis 
B)  epidermis 
C)  corpuscle 
D)  stratum basale 
E)  hypodermis 
A)  dermis 
B)  epidermis 
C)  corpuscle 
D)  stratum basale 
E)  hypodermis

Question 7

Ceruminous glands ___.

Accepted Answer

A)  are modified sweat glands in the external ear 
B)  are found in the palms of your hands and soles of your feet 
C)  are found mainly in the groin and axillary regions 
D)  are stimulated during emotional stress and sexual excitement 
E)  do not function until puberty 
A)  are modified sweat glands in the external ear 
B)  are found in the palms of your hands and soles of your feet 
C)  are found mainly in the groin and axillary regions 
D)  are stimulated during emotional stress and sexual excitement 
E)  do not function until puberty

Question 8

Which of the following receptors is best suited for pressure reception in the skin?

Accepted Answer

A)  melanocytes 
B)  pacinian corpuscles 
C)  keratinocytes 
D)  Langerhans cells 
E)  Root hair plexuses 
A)  melanocytes 
B)  pacinian corpuscles 
C)  keratinocytes 
D)  Langerhans cells 
E)  Root hair plexuses

Question 9

In the photo, which layer is only seen in thick skin?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 10

Which of the following statements is FALSE concerning apocrine glands?

Accepted Answer

A)  They are modified sweat glands in the external ear. 
B)  They have excretory ducts that open into hair follicles. 
C)  They are found mainly in the groin and axillary regions. 
D)  They are stimulated during emotional stress and sexual excitement. 
E)  They do not function until puberty. 
A)  They are modified sweat glands in the external ear. 
B)  They have excretory ducts that open into hair follicles. 
C)  They are found mainly in the groin and axillary regions. 
D)  They are stimulated during emotional stress and sexual excitement. 
E)  They do not function until puberty.

Question 11

___ are the most abundant type of cell found in the epidermis.

Accepted Answer

A)  Melanocytes 
B)  Keratinocytes 
C)  Tactile cells 
D)  Langerhans cells 
E)  Lymphocytes 
A)  Melanocytes 
B)  Keratinocytes 
C)  Tactile cells 
D)  Langerhans cells 
E)  Lymphocytes

Question 12

In the diagram, where is the apocrine sweat gland?

Accepted Answer

A)  C 
B)  D 
C)  E 
D)  F 
E)  H 
A)  C 
B)  D 
C)  E 
D)  F 
E)  H

Question 13

Which of these glands usually is not connected to a hair follicle?

Accepted Answer

A)  sebaceous gland 
B)  eccrine sweat gland 
C)  apocrine sweat gland 
D)  none of these choices 
A)  sebaceous gland 
B)  eccrine sweat gland 
C)  apocrine sweat gland 
D)  none of these choices

Question 14

Briefly describe the functions of the skin.

Accepted Answer

The functions of the skin include thermo

Question 15

Which of the following plays an important role in thermoregulation?

Accepted Answer

A)  tactile cell 
B)  sebaceous gland 
C)  sweat gland 
D)  nail 
E)  langerhans cells 
A)  tactile cell 
B)  sebaceous gland 
C)  sweat gland 
D)  nail 
E)  langerhans cells

Question 16

Which of the following is FALSE regarding exposure to ultraviolet (UV) light?

Accepted Answer

A)  Precursors to calcitriol are produced in the skin by UV light. 
B)  Melanocytes are stimulated by UV light to produce more melanin, giving the skin a tanned appearance. 
C)  Age spots can be avoided by spending more time under the sun as you grow older. 
D)  Melanin provides protection for the DNA in the epidermal keratinocytes by absorbing UV light. 
E)  Too much exposure to UV light can lead to skin cancer, and melanocytes are particularly susceptible to damage from UV light. 
A)  Precursors to calcitriol are produced in the skin by UV light. 
B)  Melanocytes are stimulated by UV light to produce more melanin, giving the skin a tanned appearance. 
C)  Age spots can be avoided by spending more time under the sun as you grow older. 
D)  Melanin provides protection for the DNA in the epidermal keratinocytes by absorbing UV light. 
E)  Too much exposure to UV light can lead to skin cancer, and melanocytes are particularly susceptible to damage from UV light.

Question 17

In the photomicrograph, which layer contains dying cells that have distinctive lipid-filled granules?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 18

In the photo, which layer is the stratum basale?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 19

In the photo, which layer is the stratum spinosum?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 20

In the figure, where is the cuticle?

Accepted Answer

A)  A 
B)  B 
C)  E 
D)  F 
E)  G 
A)  A 
B)  B 
C)  E 
D)  F 
E)  G

Exam 5: The Integumentary System

This layer of the epidermis contains layers of flattened keratinocytes that are going through apoptosis.

Which of the following statements is most accurate?

In the diagram, where is the sebaceous gland?

Which part of a hair would be activated to send a nerve impulse if an insect crawling on your arm bumped the hair?

The dermis and stratum corneum accumulate a yellow-orange pigment when you eat foods, such as egg yolk and carrots, that are rich in ___.

What is another name for the subcutaneous layer?

Ceruminous glands ___.

Which of the following receptors is best suited for pressure reception in the skin?

In the photo, which layer is only seen in thick skin?

Which of the following statements is FALSE concerning apocrine glands?

___ are the most abundant type of cell found in the epidermis.

In the diagram, where is the apocrine sweat gland?

Which of these glands usually is not connected to a hair follicle?

Briefly describe the functions of the skin.

Which of the following plays an important role in thermoregulation?

Which of the following is FALSE regarding exposure to ultraviolet (UV) light?

In the photomicrograph, which layer contains dying cells that have distinctive lipid-filled granules?

In the photo, which layer is the stratum basale?

In the photo, which layer is the stratum spinosum?

In the figure, where is the cuticle?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

Introduction to the Skeletal System

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Introduction to the Nervous System

The Central Nervous System

The Peripheral Nervous System

Sensory, Motor, and Integrative Systems

The Special Senses

The Endocrine System

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

The Urinary System

The Reproductive Systems and Development

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