Question 1

Parallel curving ridges of dermis that shape the overlying epidermis into fingerprints

Accepted Answer

A)  improve the grip of the hands. 
B)  are caused by the pattern of the reticular layer of the dermis. 
C)  are associated with thin skin. 
D)  decrease friction on surfaces where they are located. 
E)  tend to make the surface smooth. 
A)  improve the grip of the hands. 
B)  are caused by the pattern of the reticular layer of the dermis. 
C)  are associated with thin skin. 
D)  decrease friction on surfaces where they are located. 
E)  tend to make the surface smooth.

Question 2

-The figure illustrates keratinization in the epidermis. What layer of the epidermis is "B"?
)

Accepted Answer

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

Question 3

Acne is caused by

Accepted Answer

A)  testosterone. 
B)  sebum. 
C)  abnormal keratinization of hair follicles. 
D)  Propionibacterium. 
E)  All of these are factors. 
A)  testosterone. 
B)  sebum. 
C)  abnormal keratinization of hair follicles. 
D)  Propionibacterium. 
E)  All of these are factors.

Question 4

A recent study demonstrated that there are three unique strains of Propionibacterium acnes; two strains are more prevalent in people with acne; however, one of which appears not to be pathogenic to humans and is more prevalent in people with 'clear' skin. Additionally, the strain of P. acnes found in healthy skin kills the of invading bacteria, including the pathogenic P. acnes. Which of the following statements about the targeted removal of 'bad' P. acnes and addition of 'good' P. acnes is INCORRECT?

Accepted Answer

A)  Once removed, the invading pathogenic P. acnes can not regrow on the skin. 
B)  After "bad" P. acnes is removed, the applications of "good" P. acnes should be able to grow and kill invasive bacteria. 
A)  Once removed, the invading pathogenic P. acnes can not regrow on the skin. 
B)  After "bad" P. acnes is removed, the applications of "good" P. acnes should be able to grow and kill invasive bacteria.

Question 5

The outer surface of the hair is called the

Accepted Answer

A)  medulla. 
B)  shaft. 
C)  hair bulb. 
D)  cuticle. 
E)  root. 
A)  medulla. 
B)  shaft. 
C)  hair bulb. 
D)  cuticle. 
E)  root.

Question 6

This condition is characterized by a thicker-than-normal stratus corneum producing large silvery scales.

Accepted Answer

A)  eczema 
B)  psoriasis 
C)  vitiligo 
D)  decubitus ulcer 
E)  bullae 
A)  eczema 
B)  psoriasis 
C)  vitiligo 
D)  decubitus ulcer 
E)  bullae

Question 7

Which of the following is NOT a complication of a major burn?

Accepted Answer

A)  electrolyte imbalance 
B)  weight loss 
C)  fever 
D)  hypermetabolic state 
E)  decreased protein demand 
A)  electrolyte imbalance 
B)  weight loss 
C)  fever 
D)  hypermetabolic state 
E)  decreased protein demand

Question 8

The effects of aging on the skin include all of the following except:

Accepted Answer

A)  loss of fat from the subcutaneous tissue 
B)  thinner epidermis 
C)  increases in sebaceous gland activity 
D)  reduction in collagen and elastin 
A)  loss of fat from the subcutaneous tissue 
B)  thinner epidermis 
C)  increases in sebaceous gland activity 
D)  reduction in collagen and elastin

Question 9

Which of the following represents the correct order of the layers of the epidermis from the deepest to the most superficial?

Accepted Answer

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

Question 10

Melanin is found in which cells?

Accepted Answer

A)  Both melanocytes and keratinocytes 
B)  Only melanocytes 
C)  Both melanocytes and Langerhans cells 
D)  Only keratinocytes 
A)  Both melanocytes and keratinocytes 
B)  Only melanocytes 
C)  Both melanocytes and Langerhans cells 
D)  Only keratinocytes

Question 11

This stratum contains many layers of dead squamous cells.

Accepted Answer

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

Question 12

The subcutaneous tissue is part of the skin or the integumentary system.

Accepted Answer

A) True 
 B)False

Question 13

When comparing the dermis with the hypodermis, the dermis

Accepted Answer

A)  is a more vascular tissue than the hypodermis. 
B)  and the hypodermis do not contain collagen. 
C)  contains melanocytes; the hypodermis does not. 
D)  is divided into two layers; the hypodermis is not. 
E)  has more fat cells than the hypodermis. 
A)  is a more vascular tissue than the hypodermis. 
B)  and the hypodermis do not contain collagen. 
C)  contains melanocytes; the hypodermis does not. 
D)  is divided into two layers; the hypodermis is not. 
E)  has more fat cells than the hypodermis.

Question 14

Lead poisoning can be detected by doing an analysis of

Accepted Answer

A)  sweat. 
B)  skin folds. 
C)  hair. 
D)  skin. 
E)  nails. 
A)  sweat. 
B)  skin folds. 
C)  hair. 
D)  skin. 
E)  nails.

Question 15

Exposure to ultraviolet light causes the skin to darken by stimulating the

Accepted Answer

A)  breakdown of carotene. 
B)  breakdown of melanin. 
C)  activity of the keratinocytes. 
D)  activity of the enzyme tyrosinase. 
E)  buildup of bilirubin. 
A)  breakdown of carotene. 
B)  breakdown of melanin. 
C)  activity of the keratinocytes. 
D)  activity of the enzyme tyrosinase. 
E)  buildup of bilirubin.

Question 16

Which of the following people would have the greatest risk of getting skin cancer?

Accepted Answer

A)  A 31-year old dark-skinned male 
B)  A 23-year old female with blond hair and hazel eyes 
C)  A 55-year old male with brown hair and brown eyes 
D)  A 68-year old male with blond hair and blue eyes 
A)  A 31-year old dark-skinned male 
B)  A 23-year old female with blond hair and hazel eyes 
C)  A 55-year old male with brown hair and brown eyes 
D)  A 68-year old male with blond hair and blue eyes

Question 17

Which of the following statements concerning the epidermis is true?

Accepted Answer

A)  The epidermis contains numerous blood vessels. 
B)  The epidermis is very permeable to water-soluble molecules. 
C)  The epidermis is nourished by blood vessels located in the dermis. 
D)  The most numerous cells in the epidermis are the melanocytes. 
E)  The dermis is superficial to the epidermis. 
A)  The epidermis contains numerous blood vessels. 
B)  The epidermis is very permeable to water-soluble molecules. 
C)  The epidermis is nourished by blood vessels located in the dermis. 
D)  The most numerous cells in the epidermis are the melanocytes. 
E)  The dermis is superficial to the epidermis.

Question 18

Which of the following statements is true?

Accepted Answer

A)  Hair in the axillary region is vellus hair after puberty. 
B)  At puberty, much of the vellus hair is replaced with terminal hair. 
C)  Both vellus and terminal hairs are pigmented. 
D)  In males, the hairs of the beard are vellus hairs. 
E)  The majority of hair on the chest is vellus hair. 
A)  Hair in the axillary region is vellus hair after puberty. 
B)  At puberty, much of the vellus hair is replaced with terminal hair. 
C)  Both vellus and terminal hairs are pigmented. 
D)  In males, the hairs of the beard are vellus hairs. 
E)  The majority of hair on the chest is vellus hair.

Question 19

This is the dermal layer closest to the epidermis.

Accepted Answer

A)  epidermis 
B)  reticular layer 
C)  papillary layer 
D)  stretch marks 
E)  hypodermis 
A)  epidermis 
B)  reticular layer 
C)  papillary layer 
D)  stretch marks 
E)  hypodermis

Question 20

Cedric slipped and cut his finger. The cut bled, but did not penetrate to the hypodermis. The deepest layer penetrated was the

Accepted Answer

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

Exam 5: Integumentary System

Parallel curving ridges of dermis that shape the overlying epidermis into fingerprints

-The figure illustrates keratinization in the epidermis. What layer of the epidermis is "B"? )

Acne is caused by

The outer surface of the hair is called the

This condition is characterized by a thicker-than-normal stratus corneum producing large silvery scales.

Which of the following is NOT a complication of a major burn?

The effects of aging on the skin include all of the following except:

Which of the following represents the correct order of the layers of the epidermis from the deepest to the most superficial?

Melanin is found in which cells?

This stratum contains many layers of dead squamous cells.

The subcutaneous tissue is part of the skin or the integumentary system.

When comparing the dermis with the hypodermis, the dermis

Lead poisoning can be detected by doing an analysis of

Exposure to ultraviolet light causes the skin to darken by stimulating the

Which of the following people would have the greatest risk of getting skin cancer?

Which of the following statements concerning the epidermis is true?

Which of the following statements is true?

This is the dermal layer closest to the epidermis.

Cedric slipped and cut his finger. The cut bled, but did not penetrate to the hypodermis. The deepest layer penetrated was the

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