Question 1

Eyebrow hairs are always shorter than hairs on your head because .

Accepted Answer

A) the vascular supply of the eyebrow follicle is one- tenth that of the head hair follicle 
B) eyebrow follicles are only active for a few months 
C) hormones in the eyebrow follicle switch the growth off after it has reached a predetermined length 
D) they grow much slower 
A) the vascular supply of the eyebrow follicle is one- tenth that of the head hair follicle 
B) eyebrow follicles are only active for a few months 
C) hormones in the eyebrow follicle switch the growth off after it has reached a predetermined length 
D) they grow much slower B

Question 2

Melanocytes and keratinocytes work together in protecting the skin from UV damage when keratinocytes .

Accepted Answer

A) maintain the appropriate temperature so the product of the melanocyte will not denature 
B) provide the melanocyte with a protective shield against abrasion 
C) accumulate the melanin granules on their superficial portion,forming a UV- blocking pigment layer 
D) maintain the appropriate pH in order for the melanocyte to synthesize melanin granules 
A) maintain the appropriate temperature so the product of the melanocyte will not denature 
B) provide the melanocyte with a protective shield against abrasion 
C) accumulate the melanin granules on their superficial portion,forming a UV- blocking pigment layer 
D) maintain the appropriate pH in order for the melanocyte to synthesize melanin granules C

Question 3

Name the layers of the epidermis in order from the surface down.

Accepted Answer

Stratum corneum,lucidum,granulosum,spinosum,and basale.

Question 4

The sebaceous glands are simple alveolar glands that secrete a substance known as sebum.The secretion of sebum is stimulated .

Accepted Answer

A) by hormones,especially androgens 
B) as a protective coating when one is swimming 
C) by high temperatures 
D) when the air temperature drops 
A) by hormones,especially androgens 
B) as a protective coating when one is swimming 
C) by high temperatures 
D) when the air temperature drops

Question 5

Which statement correctly explains why hair appears the way it does?

Accepted Answer

A) Kinky hair has flat,ribbonlike hair shafts. 
B) Gray hair is the result of hormonal action altering the chemical composition of melanin. 
C) Perfectly round hair shafts result in wavy hair. 
D) Air bubbles in the hair shaft cause straight hair. 
A) Kinky hair has flat,ribbonlike hair shafts. 
B) Gray hair is the result of hormonal action altering the chemical composition of melanin. 
C) Perfectly round hair shafts result in wavy hair. 
D) Air bubbles in the hair shaft cause straight hair.

Question 6

Which of the following statements best describes what fingernails actually are?

Accepted Answer

A) Fingernails are derived from osseous tissue. 
B) Fingernails are extensions of the carpal bones. 
C) Fingernails are a separate tissue from the skin,formed from a different embryonic layer. 
D) Fingernails are a modification of the epidermis. 
A) Fingernails are derived from osseous tissue. 
B) Fingernails are extensions of the carpal bones. 
C) Fingernails are a separate tissue from the skin,formed from a different embryonic layer. 
D) Fingernails are a modification of the epidermis.

Question 7

Which of the following cutaneous receptors is specialized for the reception of touch or light pressure?

Accepted Answer

A) Krause's end bulbs 
B) Pacinian corpuscles 
C) Meissner's corpuscles 
D) free nerve endings 
A) Krause's end bulbs 
B) Pacinian corpuscles 
C) Meissner's corpuscles 
D) free nerve endings

Question 8

The function of the root hair plexus is to _ .

Accepted Answer

A) allow the hair to assist in touch sensation 
B) serve as a source for new epidermal cells for hair growth after the resting stage has passed 
C) bind the hair root to the dermis 
D) cause apocrine gland secretion into the hair follicle 
A) allow the hair to assist in touch sensation 
B) serve as a source for new epidermal cells for hair growth after the resting stage has passed 
C) bind the hair root to the dermis 
D) cause apocrine gland secretion into the hair follicle

Question 9

There are several reasons other than genetics for hair loss.Identify some of these other factors.

Accepted Answer

Stressors such as acutely high fever,sur

Question 10

Why is skin not considered a heat barrier for the body?

Accepted Answer

The skin proper must retain flexibility

Question 11

burns injure the epidermis and the upper regions of the dermis.

Accepted Answer

The answer of burns injure the epidermis and the upper...

Question 12

How are burns classified? Give an example.

Accepted Answer

Burns are classified according to their

Question 13

Sudoriferous sweat)glands are categorized as two distinct types.Which of the following are the two types of sweat glands?

Accepted Answer

A) sebaceous and merocrine 
B) holocrine and mammary 
C) eccrine and apocrine 
D) mammary and ceruminous 
A) sebaceous and merocrine 
B) holocrine and mammary 
C) eccrine and apocrine 
D) mammary and ceruminous

Question 14

Nutrients reach the surface of the skin epidermis)through the process of .

Accepted Answer

A) utilizing the products of merocrine glands to nourish the epidermis 
B) filtration 
C) diffusing through the tissue fluid from blood vessels in the dermis 
D) absorbing materials applied to the surface layer of the skin 
A) utilizing the products of merocrine glands to nourish the epidermis 
B) filtration 
C) diffusing through the tissue fluid from blood vessels in the dermis 
D) absorbing materials applied to the surface layer of the skin

Question 15

are pigment- producing cells in the epidermis.

Accepted Answer

The answer of are pigment- producing cells in the epidermis....

Question 16

The design of a person's epidermal ridges is determined by the manner in which the papillae rest upon the dermal ridges to produce the specific pattern known as handprints,footprints,and fingerprints.Which of the following statements is true regarding these prints or ridges?

Accepted Answer

A) Identical twins do not have the same pattern of ridges. 
B) They are genetically determined,therefore unique to each person. 
C) Because we are constantly shedding epithelial cells,these ridges are changing daily. 
D) Every human being has the same pattern of ridges. 
A) Identical twins do not have the same pattern of ridges. 
B) They are genetically determined,therefore unique to each person. 
C) Because we are constantly shedding epithelial cells,these ridges are changing daily. 
D) Every human being has the same pattern of ridges.

Question 17

A summertime golden bronze tan may not be a tan at all,especially if the skin appears almost metallic bronze; it may be the result of disease.

Accepted Answer

The answer of A summertime golden bronze tan may not...

Question 18

In addition to the synthesis of vitamin D,keratinocytes are able to carry out some other biologically important functions.Name at least two of these other functions.

Accepted Answer

Keratinocyte enzymes can neutr

Question 19

The integumentary system is protected by the action of cells that arise from bone marrow and migrate to the epidermis.Which of the following cells serve this function?

Accepted Answer

A) cells found in the stratum spinosum 
B) tactile cells 
C) macrophages called epidermal dendritic cells 
D) keratinocytes,because they are so versatile 
A) cells found in the stratum spinosum 
B) tactile cells 
C) macrophages called epidermal dendritic cells 
D) keratinocytes,because they are so versatile

Question 20

What is the first threat to life from a massive third- degree burn?

Accepted Answer

A) infection 
B) unbearable pain 
C) loss of immune function 
D) catastrophic fluid loss 
A) infection 
B) unbearable pain 
C) loss of immune function 
D) catastrophic fluid loss

Exam 5: The Integumentary System

Eyebrow hairs are always shorter than hairs on your head because .

Melanocytes and keratinocytes work together in protecting the skin from UV damage when keratinocytes .

Name the layers of the epidermis in order from the surface down.

The sebaceous glands are simple alveolar glands that secrete a substance known as sebum.The secretion of sebum is stimulated .

Which statement correctly explains why hair appears the way it does?

Which of the following statements best describes what fingernails actually are?

Which of the following cutaneous receptors is specialized for the reception of touch or light pressure?

The function of the root hair plexus is to _ .

There are several reasons other than genetics for hair loss.Identify some of these other factors.

Why is skin not considered a heat barrier for the body?

burns injure the epidermis and the upper regions of the dermis.

How are burns classified? Give an example.

Sudoriferous sweat)glands are categorized as two distinct types.Which of the following are the two types of sweat glands?

Nutrients reach the surface of the skin epidermis)through the process of .

are pigment- producing cells in the epidermis.

The design of a person's epidermal ridges is determined by the manner in which the papillae rest upon the dermal ridges to produce the specific pattern known as handprints,footprints,and fingerprints.Which of the following statements is true regarding these prints or ridges?

A summertime golden bronze tan may not be a tan at all,especially if the skin appears almost metallic bronze; it may be the result of disease.

In addition to the synthesis of vitamin D,keratinocytes are able to carry out some other biologically important functions.Name at least two of these other functions.

The integumentary system is protected by the action of cells that arise from bone marrow and migrate to the epidermis.Which of the following cells serve this function?

What is the first threat to life from a massive third- degree burn?

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissues: the Living Fabric

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Respiratory System

The Digestive System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Based Balance

The Reproductive System

Filters