Question 1

Thin skin contains:

Accepted Answer

A)  the same layers of keratinocytes as thick skin.
B)  one less layer of keratinocytes than thick skin.
C)  two more layers of keratinocytes than thick skin.
D)  one more layer of keratinocytes than thick skin.E) B) and D)
F) None of the above

Question 2

Christina's fair skin flushes red when she exercises.What is the name of this condition and why does her skin appear red?

Accepted Answer

The skin color imparted by hemoglobin ma...

Question 3

Thin skin lacks stratum:

Accepted Answer

A)  spinosum.
B)  lucidum.
C)  granulosum.
D)  corneum.E) A) and D)
F) None of the above

Question 4

Skin without keratin would be more likely to:

Accepted Answer

A)  tear upon being mechanically stressed.
B)  burn upon exposure to the sun.
C)  be unable to thermoregulate.
D)  lose the sensation of touch.E) C) and D)
F) A) and B)

Question 5

List the three types of burns and the region of skin each affects.

Accepted Answer

1)First-degree burns (superficial burns)...

Question 6

Jill is blind and often uses braille (a system of raised dots) to read her school assignments.What cell in the stratum basale of the epidermis helps her discriminate between the textured dots?

Accepted Answer

A)  keratinocyte
B)  melanocyte
C)  dendritic (Langerhans) cell
D)  Merkel cellE) A) and D)
F) All of the above

Question 7

Assess the following statement for accuracy.Dark brown skin contains more melanocytes than pale skin.

Accepted Answer

The number of melanocytes is virtually i...

Question 8

Which of the following is NOT a function of the skin?

Accepted Answer

A)  protection
B)  sensation
C)  thermoregulation
D)  vitamin A synthesisE) All of the above
F) None of the above

Question 9

Stratum lucidum is found in all types of skin covering the entire body.

Accepted Answer

A) True 
 B)False

Question 10

What secretion do we intend to inhibit with the application of antiperspirants to the axillae (armpits)? Why apply a deodorant to the axillae?

Accepted Answer

Although sweat released from apocrine sw...

Question 11

A splinter penetrated into the skin on the palmar surface of the hand.The splinter nearly reached stratum basale of the epidermis.What is the final layer injured by this splinter?

Accepted Answer

A)  stratum corneum of the epidermis
B)  stratum spinosum of the epidermis
C)  stratum granulosum of the epidermis
D)  stratum lucidum of the epidermisE) A) and B)
F) None of the above B

Question 12

Squamous cell carcinoma arises from:

Accepted Answer

A)  keratinocytes in stratum basale.
B)  keratinocytes in stratum spinosum.
C)  melanocytes.
D)  keratinocytes in stratum corneum.E) A) and B)
F) A) and C) B

Question 13

Vesicles known as melanosomes are taken into the cytosol of keratinocytes by endocytosis.The melanosome is transported to the superficial side of the keratinocyte to shield its nucleus.

Accepted Answer

A) True 
 B)False

Question 14

What symptom distinguishes a second-degree from a third-degree burn?

Accepted Answer

A)  presence of significant pain initially with the third-degree burn
B)  presence of erythema associated with the third-degree burn
C)  lack of initial pain associated with the third-degree burn
D)  presence of blisters associated with the third-degree burnE) All of the above
F) C) and D)

Question 15

Explain the ABCDE rule used to distinguish melanomas from other skin cancers and from normal moles.

Accepted Answer

A is for an asymmetrical shape (the two sides do not match).B is for border irregularity.C stands for color,usually blue-black or a variety of colors.D is for the diameter (generally larger than 6 mm,the size of a pencil eraser).Finally,E is for an evolving (changing)shape and size.

Question 16

What do dead keratinized cells form?

Accepted Answer

A)  hair shaft
B)  hair root
C)  hair bulb
D)  arrector pili muscleE) B) and C)
F) All of the above

Question 17

How long will it take for a suntan to fade?

Accepted Answer

A)  40 to 50 days
B)  5 to 10 days
C)  20 to 40 days
D)  10 to 20 daysE) A) and D)
F) B) and D)

Question 18

Exposure to UV radiation causes the skin to darken by increasing the production of:

Accepted Answer

A)  keratin.
B)  hemoglobin.
C)  collagen.
D)  melanin.E) A) and B)
F) A) and C)

Question 19

Into which layer of the skin do you think tattoo ink is injected? Explain why.

Accepted Answer

The ink from a tattoo must be injected i...

Question 20

Trauma to stratum basale would NOT interfere with the skin's ability to:

Accepted Answer

A)  shed dead cells.
B)  grow.
C)  produce melanin.
D)  produce vitamin D.E) A) and D)
F) B) and C)

Exam 5: The Integumentary System

Thin skin contains:

Correct Answer
verified

Christina's fair skin flushes red when she exercises.What is the name of this condition and why does her skin appear red?

Correct Answer
verified
The skin color imparted by hemoglobin ma...
View Answer

Thin skin lacks stratum:

Correct Answer
verified

Skin without keratin would be more likely to:

Correct Answer
verified

List the three types of burns and the region of skin each affects.

Correct Answer
verified
1)First-degree burns (superficial burns)...
View Answer

Jill is blind and often uses braille (a system of raised dots) to read her school assignments.What cell in the stratum basale of the epidermis helps her discriminate between the textured dots?

Correct Answer
verified

Assess the following statement for accuracy.Dark brown skin contains more melanocytes than pale skin.

Correct Answer
verified
The number of melanocytes is virtually i...
View Answer

Which of the following is NOT a function of the skin?

Correct Answer
verified

Stratum lucidum is found in all types of skin covering the entire body.

Correct Answer
verified

What secretion do we intend to inhibit with the application of antiperspirants to the axillae (armpits)? Why apply a deodorant to the axillae?

Correct Answer
verified
Although sweat released from apocrine sw...
View Answer

A splinter penetrated into the skin on the palmar surface of the hand.The splinter nearly reached stratum basale of the epidermis.What is the final layer injured by this splinter?

Correct Answer
verified
B

Squamous cell carcinoma arises from:

Correct Answer
verified
B

Vesicles known as melanosomes are taken into the cytosol of keratinocytes by endocytosis.The melanosome is transported to the superficial side of the keratinocyte to shield its nucleus.

Correct Answer
verified

What symptom distinguishes a second-degree from a third-degree burn?

Correct Answer
verified

Explain the ABCDE rule used to distinguish melanomas from other skin cancers and from normal moles.

What do dead keratinized cells form?

Correct Answer
verified

How long will it take for a suntan to fade?

Correct Answer
verified

Exposure to UV radiation causes the skin to darken by increasing the production of:

Correct Answer
verified

Into which layer of the skin do you think tattoo ink is injected? Explain why.

Correct Answer
verified
The ink from a tattoo must be injected i...
View Answer

Trauma to stratum basale would NOT interfere with the skin's ability to:

Correct Answer
verified

Exam 5: The Integumentary System

Thin skin contains:

Correct AnswerverifiedShow Answer

Christina's fair skin flushes red when she exercises.What is the name of this condition and why does her skin appear red?

Correct AnswerverifiedThe skin color imparted by hemoglobin ma...View AnswerShow Answer

Thin skin lacks stratum:

Correct AnswerverifiedShow Answer

Skin without keratin would be more likely to:

Correct AnswerverifiedShow Answer

List the three types of burns and the region of skin each affects.

Correct Answerverified1)First-degree burns (superficial burns)...View AnswerShow Answer

Jill is blind and often uses braille (a system of raised dots) to read her school assignments.What cell in the stratum basale of the epidermis helps her discriminate between the textured dots?

Correct AnswerverifiedShow Answer

Assess the following statement for accuracy.Dark brown skin contains more melanocytes than pale skin.

Correct AnswerverifiedThe number of melanocytes is virtually i...View AnswerShow Answer

Which of the following is NOT a function of the skin?

Correct AnswerverifiedShow Answer

Stratum lucidum is found in all types of skin covering the entire body.

Correct AnswerverifiedShow Answer

What secretion do we intend to inhibit with the application of antiperspirants to the axillae (armpits)? Why apply a deodorant to the axillae?

Correct AnswerverifiedAlthough sweat released from apocrine sw...View AnswerShow Answer

A splinter penetrated into the skin on the palmar surface of the hand.The splinter nearly reached stratum basale of the epidermis.What is the final layer injured by this splinter?

Correct AnswerverifiedB

Squamous cell carcinoma arises from:

Correct AnswerverifiedB

Vesicles known as melanosomes are taken into the cytosol of keratinocytes by endocytosis.The melanosome is transported to the superficial side of the keratinocyte to shield its nucleus.

Correct AnswerverifiedShow Answer

What symptom distinguishes a second-degree from a third-degree burn?

Correct AnswerverifiedShow Answer

Explain the ABCDE rule used to distinguish melanomas from other skin cancers and from normal moles.

What do dead keratinized cells form?

Correct AnswerverifiedShow Answer

How long will it take for a suntan to fade?

Correct AnswerverifiedShow Answer

Exposure to UV radiation causes the skin to darken by increasing the production of:

Correct AnswerverifiedShow Answer

Into which layer of the skin do you think tattoo ink is injected? Explain why.

Correct AnswerverifiedThe ink from a tattoo must be injected i...View AnswerShow Answer

Trauma to stratum basale would NOT interfere with the skin's ability to:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
The skin color imparted by hemoglobin ma...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
1)First-degree burns (superficial burns)...
View Answer

Correct Answer
verified

Correct Answer
verified
The number of melanocytes is virtually i...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Although sweat released from apocrine sw...
View Answer

Correct Answer
verified
B

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The ink from a tattoo must be injected i...
View Answer

Correct Answer
verified