Question 1

It takes ________ for a cell to move from the stratum basale to the stratum corneum.

Accepted Answer

A)  10-24 hours 
B)  15-30 days 
C)  3-7 days 
D)  2-3 weeks 
E)  2-3 months 
A)  10-24 hours 
B)  15-30 days 
C)  3-7 days 
D)  2-3 weeks 
E)  2-3 months B

Question 2

Figure 4.3
   
Using the figure above, identify the specified labeled part indicated in each of the following questions.
-Identify the structure indicated by Label D.

Accepted Answer

A)  Epidermis 
B)  Deep fascia 
C)  Subcutaneous layer 
D)  Dermis 
E)  Superficial fascia 
A)  Epidermis 
B)  Deep fascia 
C)  Subcutaneous layer 
D)  Dermis 
E)  Superficial fascia D

Question 3

How does melanin protect the skin from the effects of ultraviolet light?

Accepted Answer

Melanin protects the skin from damage by absorbing the ultraviolet radiation before it damages chromosomes in the nuclei of cells in the epidermis and dermis. In other words, it functions as a limited shield against UV damagefor the nuclei

Question 4

The stratum basale is the layer of cells superficial to the stratum spinosum.

Accepted Answer

A) True 
 B)False

Question 5

Figure 4.1
   
Using the figure above, identify the specified labeled part in each of the following questions.
-What is the structure indicated by Label S?

Accepted Answer

A)  Fat 
B)  Sebaceous gland 
C)  Subcutaneous plexus 
D)  Cutaneous plexus 
E)  Nerve fibers 
A)  Fat 
B)  Sebaceous gland 
C)  Subcutaneous plexus 
D)  Cutaneous plexus 
E)  Nerve fibers

Question 6

Why is the skin capable of repair, even after serious damage?

Accepted Answer

A)  Individual skin cells have a high metabolic rate. 
B)  Stem cells persist in both the epithelial and connective tissue components. 
C)  Construction of scar tissue is easier than making normal skin. 
D)  All layers of the skin have an excellent blood supply. 
E)  There are abundant fibroblasts in the epidermis. 
A)  Individual skin cells have a high metabolic rate. 
B)  Stem cells persist in both the epithelial and connective tissue components. 
C)  Construction of scar tissue is easier than making normal skin. 
D)  All layers of the skin have an excellent blood supply. 
E)  There are abundant fibroblasts in the epidermis.

Question 7

Figure 4.6
   
Using the above-referenced micrographs and diagram, identify the specified labeled part in each of the following questions.
-Identify the structure indicated by Label D.

Accepted Answer

A)  Duct of apocrine sweat gland 
B)  Arrector pili muscle 
C)  Connective tissue sheath 
D)  Duct of eccrine sweat gland 
E)  Basal lamina 
A)  Duct of apocrine sweat gland 
B)  Arrector pili muscle 
C)  Connective tissue sheath 
D)  Duct of eccrine sweat gland 
E)  Basal lamina

Question 8

Figure 4.6
   
Using the above-referenced micrographs and diagram, identify the specified labeled part in each of the following questions.
-Identify the structure indicated by Label F.

Accepted Answer

A)  Artery of cutaneous plexus 
B)  Sweat pore 
C)  Hair shaft 
D)  Capillary loop of subpapillary plexus 
E)  Nerve fiber 
A)  Artery of cutaneous plexus 
B)  Sweat pore 
C)  Hair shaft 
D)  Capillary loop of subpapillary plexus 
E)  Nerve fiber

Question 9

Figure 4.5
   
Using the above-referenced drawing of a single hair follicle in longitudinal section, indicate the specified labeled part in each of the following questions.
-Identify the structure indicated by Label F.

Accepted Answer

A)  Hair bulb 
B)  Hair papilla 
C)  Arrector pili muscle 
D)  Cutaneous plexus 
E)  Hair shaft 
A)  Hair bulb 
B)  Hair papilla 
C)  Arrector pili muscle 
D)  Cutaneous plexus 
E)  Hair shaft

Question 10

What is "baby fat" and what is its importance?

Accepted Answer

"Baby fat" is extensive subcutaneous fat

Question 11

Figure 4.1
   
Using the figure above, identify the specified labeled part in each of the following questions.
-What is the structure indicated by Label I?

Accepted Answer

A)  Sebaceous gland 
B)  Lamellar corpuscle 
C)  Subpapillary plexus 
D)  Tactile corpuscle 
E)  Cutaneous plexus 
A)  Sebaceous gland 
B)  Lamellar corpuscle 
C)  Subpapillary plexus 
D)  Tactile corpuscle 
E)  Cutaneous plexus

Question 12

Figure 4.5
   
Using the above-referenced drawing of a single hair follicle in longitudinal section, indicate the specified labeled part in each of the following questions.
-Identify the structure indicated by Label D.

Accepted Answer

A)  Medulla 
B)  Sweat gland duct 
C)  Arrector pili muscle 
D)  Hair root 
E)  Connective tissue sheath 
A)  Medulla 
B)  Sweat gland duct 
C)  Arrector pili muscle 
D)  Hair root 
E)  Connective tissue sheath

Question 13

Figure 4.2
   
Using the above-referenced micrograph of the epidermis of thick skin, identify the specified labeled part in each of the following questions.
-What is the structure indicated by Label C?

Accepted Answer

A)  Stratum spinosum 
B)  Basal lamina 
C)  Stratum basale 
D)  Dermis 
E)  Stratum granulosum 
A)  Stratum spinosum 
B)  Basal lamina 
C)  Stratum basale 
D)  Dermis 
E)  Stratum granulosum

Question 14

The most widely distributed type of sweat gland on the body is (the)________.

Accepted Answer

A)  apocrine sweat gland 
B)  eccrine sweat gland 
C)  ceruminous gland 
D)  myoepithelial gland 
E)  None of the answers are correct. 
A)  apocrine sweat gland 
B)  eccrine sweat gland 
C)  ceruminous gland 
D)  myoepithelial gland 
E)  None of the answers are correct.

Question 15

Functions of eccrine sweat glands include which combination of the following?
(1)lubricating the skin
(2)thermoregulation
(3)inhibiting the growth of microorganisms
(4)excretion of water, electrolytes, and some drugs

Accepted Answer

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

Question 16

Figure 4.1
   
Using the figure above, identify the specified labeled part in each of the following questions.
-What is the structure indicated by Label A?

Accepted Answer

A)  Epidermis 
B)  Dermis 
C)  Hypodermis 
D)  Superficial fascia 
E)  Subcutaneous layer 
A)  Epidermis 
B)  Dermis 
C)  Hypodermis 
D)  Superficial fascia 
E)  Subcutaneous layer

Question 17

Each keratinocyte in the ________ contains tonofibrils.

Accepted Answer

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

Question 18

The two groups of sweat glands in the skin are ________.

Accepted Answer

A)  sebaceous and eccrine 
B)  apocrine and endocrine 
C)  holocrine and endocrine 
D)  eccrine and apocrine 
E)  adrenal and holocrine 
A)  sebaceous and eccrine 
B)  apocrine and endocrine 
C)  holocrine and endocrine 
D)  eccrine and apocrine 
E)  adrenal and holocrine

Question 19

Sebaceous follicles communicate directly with the epidermis.

Accepted Answer

A) True 
 B)False

Question 20

A single layer of dead, keratinized cells at the outer surface of the hair overlap and form the ________.

Accepted Answer

A)  cortex 
B)  cuticle 
C)  medulla 
D)  soft keratin 
E)  external root sheath 
A)  cortex 
B)  cuticle 
C)  medulla 
D)  soft keratin 
E)  external root sheath

Exam 4: The Integumentary System

It takes ________ for a cell to move from the stratum basale to the stratum corneum.

Figure 4.3 Using the figure above, identify the specified labeled part indicated in each of the following questions. -Identify the structure indicated by Label D.

How does melanin protect the skin from the effects of ultraviolet light?

The stratum basale is the layer of cells superficial to the stratum spinosum.

Figure 4.1 Using the figure above, identify the specified labeled part in each of the following questions. -What is the structure indicated by Label S?

Why is the skin capable of repair, even after serious damage?

Figure 4.6 Using the above-referenced micrographs and diagram, identify the specified labeled part in each of the following questions. -Identify the structure indicated by Label D.

Figure 4.6 Using the above-referenced micrographs and diagram, identify the specified labeled part in each of the following questions. -Identify the structure indicated by Label F.

Figure 4.5 Using the above-referenced drawing of a single hair follicle in longitudinal section, indicate the specified labeled part in each of the following questions. -Identify the structure indicated by Label F.

What is "baby fat" and what is its importance?

Figure 4.1 Using the figure above, identify the specified labeled part in each of the following questions. -What is the structure indicated by Label I?

Figure 4.5 Using the above-referenced drawing of a single hair follicle in longitudinal section, indicate the specified labeled part in each of the following questions. -Identify the structure indicated by Label D.

Figure 4.2 Using the above-referenced micrograph of the epidermis of thick skin, identify the specified labeled part in each of the following questions. -What is the structure indicated by Label C?

The most widely distributed type of sweat gland on the body is (the)________.

Functions of eccrine sweat glands include which combination of the following? (1)lubricating the skin (2)thermoregulation (3)inhibiting the growth of microorganisms (4)excretion of water, electrolytes, and some drugs

Figure 4.1 Using the figure above, identify the specified labeled part in each of the following questions. -What is the structure indicated by Label A?

Each keratinocyte in the ________ contains tonofibrils.

The two groups of sweat glands in the skin are ________.

Sebaceous follicles communicate directly with the epidermis.

A single layer of dead, keratinized cells at the outer surface of the hair overlap and form the ________.

Foundations: An Introduction to Anatomy

Foundations: The Cell

Foundations: Tissues and Early Embryology

The Skeletal System: Osseous Tissue and Skeletal Structure

The Skeletal System: Axial Division

The Skeletal System: Appendicular Division

The Skeletal System: Articulations

The Muscular System: Skeletal Muscle Tissue and Muscle Organization

The Muscular System: Axial Musculature

The Muscular System: Appendicular Musculature

Surface Anatomy and Cross-Sectional Anatomy

The Nervous System: Neural Tissue

The Nervous System: The Spinal Cord and Spinal Nerves

The Nervous System: Sensory and Motor Tracts of the Spinal Cord

The Nervous System: The Brain and Cranial Nerves

The Nervous System: Autonomic Nervous System

The Nervous System: General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Vessels and Circulation

The Lymphatic System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Embryology and Human Development

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