Question 1

The dermis contains blood vessels and nerve fibers while the epidermis does not.

Accepted Answer

A) True 
 B)False  True

Question 2

Which layer of the epidermis will be supplied with the highest levels of oxygen from the blood?

Accepted Answer

A)   stratum corneum
B)   stratum spinosum
C)   stratum granulosum
D)   stratum basaleE) B) and D)
F) None of the above

Question 3

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

Accepted Answer

A)   Kinky hair has flat, ribbonlike hair shafts.
B)   Perfectly round hair shafts result in wavy hair.
C)   Gray hair is the result of hormonal action altering the chemical composition of melanin.
D)   Air bubbles in the hair shaft cause straight hair.E) B) and C)
F) None of the above

Question 4

Melanoma is a form of skin cancer that arises from melanocytes.Melanoma is most common in Caucasians between 40 and 70 years of age.Explain why Caucasians would have a greater incidence of melanoma.

Accepted Answer

Melanoma has its beginnings in melanocytes,the skin pigment cells.These cells produce the dark protective pigment called melanin to protect against sun damage to DNA.Since the melanocytes in Caucasian people do not make as much melanin per cell as darker-skinned individuals,their melanocytes are more easily sun-damaged,resulting in damaged DNA cells that are more apt to lose genetic control of their own cell division.

Question 5

Match the following:
-The glands that serve an important function in thermoregulation.

Accepted Answer

A)  Stratum corneum
B)  Stratum basale
C)  Sudoriferous glands
D)  VellusE) All of the above
F) None of the above C

Question 6

Match the following:
-May indicate fear,anger,anemia,or low blood pressure.

Accepted Answer

A)  Addison's disease
B)  Jaundice
C)  Pallor
D)  Erythema
E)  CyanosisF) B) and E)
G) A) and B)

Question 7

Why are the apocrine sweat glands fairly unimportant in thermal regulation?

Accepted Answer

They are largely confined to t...

Question 8

The surge of sex hormones that accompanies puberty has a wide range of effects on the body.One of those effects is to enhance the activity of the sebaceous glands,increasing the production of sebum.Which of the following is the most likely to result from the increased sebaceous activity?

Accepted Answer

A)   Increased hair growth.
B)   Decreased vitamin D synthesis.
C)   Increased cooling of the skin.
D)   Increased oily appearance and more acne.E) B) and D)
F) B) and C)

Question 9

Match the following:
-The most abundant cells of the epidermis.

Accepted Answer

A)  Keratinocytes
B)  Keratin
C)  Cornified keratinocytes
D)  Dendritic cells
E)  Merkel discF) D) and E)
G) None of the above

Question 10

For a doctor,simply looking at a patient's skin can help in making a diagnosis.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following statements indicates the way in which the body's natural defenses protect the skin from the effects of UV damage?

Accepted Answer

A)   The skin is protected by the synthesis of three pigments that contribute to the skin's color.
B)   The skin is protected by increasing the number of epidermal dendritic cells, which help to activate the immune system.
C)   Carotene, which accumulates in the stratum corneum and hypodermal adipose tissue, is synthesized in large amounts in the presence of sunlight.
D)   Prolonged exposure to the sun induces melanin dispersion, which in turn acts as a natural sunscreen.E) B) and C)
F) All of the above

Question 12

A light skinned person who is very cold may have a pale appearance.Which of the following is the best explanation for why this might be so?

Accepted Answer

A)   The cold has slowed the movement of blood.
B)   The person's blood vessels in the dermis have undergone vasoconstriction (narrowing) .
C)   The person is in fear of hypothermia (sever cold exposure) .
D)   The person's blood vessels in the epidermis have undergone vasodilation (widening) .E) C) and D)
F) All of the above

Question 13

Mary noticed a large,brown spot on her skin.She has been playing tennis in the sun for several years without sun protection.She reported the discovery to a friend,who told her to apply the ABCD rule to determine whether or not she had malignant melanoma.Her friend told her that if her answer was "no" to the questions that were asked by the ABCD rule,she had nothing to worry about.What is the ABCD rule and should she ignore the spot if her answers are negative?

Accepted Answer

The ABCD rule refers to the following: a...

Question 14

Match the following:
-Cells plus a disc-like sensory nerve ending that functions as a sensory receptor for touch.

Accepted Answer

A)  Keratinocytes
B)  Keratin
C)  Cornified keratinocytes
D)  Dendritic cells
E)  Merkel discF) None of the above
G) All of the above

Question 15

The skin cancer most likely to metastasize is cancer of the melanocytes.

Accepted Answer

A) True 
 B)False

Question 16

The skin protects,but how does it protect us and from what? Describe how the epidermal dendritic cells and melanocytes protect us.Describe what these cells protect us from.

Accepted Answer

The epidermal dendritic cells act as ant...

Question 17

Which layer of skin is LEAST protected by melanin?

Accepted Answer

A)   stratum spinosum
B)   stratum granulosum
C)   stratum corneum
D)   stratum basaleE) A) and B)
F) None of the above

Question 18

The only place you will find stratum ________ is in the skin that covers the palms,fingertips,and soles of the feet.

Accepted Answer

The answer of The only place you will find stratum...

Question 19

Which of the following cells and their functions are correctly matched?

Accepted Answer

A)   melanocytes protects cells in the stratum corneum from damaging effects of sun's rays
B)   keratinocytes provide sense of touch and pressure
C)   dendritic cells activate the immune system
D)   tactile cells protectionE) A) and B)
F) C) and D)

Question 20

Match the following:
-May indicate embarrassment,fever,hypertension,inflammation,or allergy.

Accepted Answer

A)  Addison's disease
B)  Jaundice
C)  Pallor
D)  Erythema
E)  CyanosisF) A) and D)
G) A) and C)

Exam 5: The Integumentary System

The dermis contains blood vessels and nerve fibers while the epidermis does not.

Correct Answer
verified
True

Which layer of the epidermis will be supplied with the highest levels of oxygen from the blood?

Correct Answer
verified

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

Correct Answer
verified

Melanoma is a form of skin cancer that arises from melanocytes.Melanoma is most common in Caucasians between 40 and 70 years of age.Explain why Caucasians would have a greater incidence of melanoma.

Match the following: -The glands that serve an important function in thermoregulation.

Correct Answer
verified
C

Match the following: -May indicate fear,anger,anemia,or low blood pressure.

Correct Answer
verified

Why are the apocrine sweat glands fairly unimportant in thermal regulation?

Correct Answer
verified
They are largely confined to t...
View Answer

The surge of sex hormones that accompanies puberty has a wide range of effects on the body.One of those effects is to enhance the activity of the sebaceous glands,increasing the production of sebum.Which of the following is the most likely to result from the increased sebaceous activity?

Correct Answer
verified

Match the following: -The most abundant cells of the epidermis.

Correct Answer
verified

For a doctor,simply looking at a patient's skin can help in making a diagnosis.

Correct Answer
verified

Which of the following statements indicates the way in which the body's natural defenses protect the skin from the effects of UV damage?

Correct Answer
verified

A light skinned person who is very cold may have a pale appearance.Which of the following is the best explanation for why this might be so?

Correct Answer
verified

Correct Answer
verified
The ABCD rule refers to the following: a...
View Answer

Match the following: -Cells plus a disc-like sensory nerve ending that functions as a sensory receptor for touch.

Correct Answer
verified

The skin cancer most likely to metastasize is cancer of the melanocytes.

Correct Answer
verified

The skin protects,but how does it protect us and from what? Describe how the epidermal dendritic cells and melanocytes protect us.Describe what these cells protect us from.

Correct Answer
verified
The epidermal dendritic cells act as ant...
View Answer

Which layer of skin is LEAST protected by melanin?

Correct Answer
verified

The only place you will find stratum ________ is in the skin that covers the palms,fingertips,and soles of the feet.

Correct Answer
verified

Which of the following cells and their functions are correctly matched?

Correct Answer
verified

Match the following: -May indicate embarrassment,fever,hypertension,inflammation,or allergy.

Correct Answer
verified

Exam 5: The Integumentary System

The dermis contains blood vessels and nerve fibers while the epidermis does not.

Correct AnswerverifiedTrue

Which layer of the epidermis will be supplied with the highest levels of oxygen from the blood?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Melanoma is a form of skin cancer that arises from melanocytes.Melanoma is most common in Caucasians between 40 and 70 years of age.Explain why Caucasians would have a greater incidence of melanoma.

Match the following: -The glands that serve an important function in thermoregulation.

Correct AnswerverifiedC

Match the following: -May indicate fear,anger,anemia,or low blood pressure.

Correct AnswerverifiedShow Answer

Why are the apocrine sweat glands fairly unimportant in thermal regulation?

Correct AnswerverifiedThey are largely confined to t...View AnswerShow Answer

The surge of sex hormones that accompanies puberty has a wide range of effects on the body.One of those effects is to enhance the activity of the sebaceous glands,increasing the production of sebum.Which of the following is the most likely to result from the increased sebaceous activity?

Correct AnswerverifiedShow Answer

Match the following: -The most abundant cells of the epidermis.

Correct AnswerverifiedShow Answer

For a doctor,simply looking at a patient's skin can help in making a diagnosis.

Correct AnswerverifiedShow Answer

Which of the following statements indicates the way in which the body's natural defenses protect the skin from the effects of UV damage?

Correct AnswerverifiedShow Answer

A light skinned person who is very cold may have a pale appearance.Which of the following is the best explanation for why this might be so?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedThe ABCD rule refers to the following: a...View AnswerShow Answer

Match the following: -Cells plus a disc-like sensory nerve ending that functions as a sensory receptor for touch.

Correct AnswerverifiedShow Answer

The skin cancer most likely to metastasize is cancer of the melanocytes.

Correct AnswerverifiedShow Answer

The skin protects,but how does it protect us and from what? Describe how the epidermal dendritic cells and melanocytes protect us.Describe what these cells protect us from.

Correct AnswerverifiedThe epidermal dendritic cells act as ant...View AnswerShow Answer

Which layer of skin is LEAST protected by melanin?

Correct AnswerverifiedShow Answer

The only place you will find stratum ________ is in the skin that covers the palms,fingertips,and soles of the feet.

Correct AnswerverifiedShow Answer

Which of the following cells and their functions are correctly matched?

Correct AnswerverifiedShow Answer

Match the following: -May indicate embarrassment,fever,hypertension,inflammation,or allergy.

Correct AnswerverifiedShow Answer

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified
They are largely confined to t...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The ABCD rule refers to the following: a...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The epidermal dendritic cells act as ant...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified