Question 1

Which type of microbe causes Tinea infections?

Accepted Answer

A)   Fungus
B)   Virus
C)   Gram-negative bacterium
D)   Mite

Question 2

Plantar warts are caused by:

Accepted Answer

A)   the fungus aspergillus.
B)   a parasitic arthropod.
C)   human papillomavirus.
D)   the bacterium Streptococcus pyogenes.

Question 3

Which of the following is a common effect of a type I hypersensitivity response to ingested substances?

Accepted Answer

A)   Contact dermatitis
B)   Urticaria
C)   Discoid lupus erythematosus
D)   Psoriasis

Question 4

Choose the correct match of the skin condition and its usual location.

Accepted Answer

A)   Scabies-fingers, wrists, waist
B)   Impetigo-legs, feet
C)   Pediculosis humanus corporis-scalp
D)   Seborrheic keratosis-feet, hands

Question 5

Which of the following statements applies to impetigo?

Accepted Answer

A)   Lesions usually appear on the hands and arms.
B)   The cause is usually a virus.
C)   The infection is highly contagious.
D)   Scar tissue is common following infection.

Question 6

What is the common signal that a recurrence of herpes simplex infection is developing?

Accepted Answer

A)   Severe pain around the mouth
B)   Malaise and fatigue
C)   Fever and severe headaches
D)   Mild tingling along the nerve or on the lips D

Question 7

Which of the following areas lacks blood vessels and nerves?

Accepted Answer

A)   Epidermis
B)   Dermis
C)   Subcutaneous tissue
D)   Fatty tissue

Question 8

How can pediculosis be diagnosed?

Accepted Answer

A)   Pruritus in hairy areas of the body
B)   Loss of blood due to lice bites
C)   Finding lice in clothing
D)   The presence of nits at the base of hair shafts

Question 9

The pathological change associated with scleroderma is:

Accepted Answer

A)   abnormal activation of T lymphocytes and an increase of cytokines.
B)   an autoimmune reaction damaging the epidermis.
C)   collagen deposits in the small blood vessels of the skin and sometimes the viscera.
D)   Type I hypersensitivity and increased serum IgE levels. C

Question 10

Systemic effects of acute necrotizing fasciitis include:

Accepted Answer

A)   low-grade fever and malaise.
B)   toxic shock and disorientation.
C)   mild nausea and vomiting.
D)   headache and difficulty breathing.

Question 11

Which of the following applies to actinic keratoses?

Accepted Answer

A)   They predispose to malignant melanoma.
B)   They arise on skin exposed to ultraviolet radiation.
C)   They occur primarily on dark-skinned persons.
D)   They are malignant and invasive.

Question 12

What change occurs in the skin with psoriasis?

Accepted Answer

A)   Recurrent hypersensitivity reactions
B)   Autoimmune response
C)   Increased mitosis and shedding of epithelium
D)   Basal cell degeneration

Question 13

Which of the following statements regarding acute necrotizing fasciitis is TRUE?

Accepted Answer

A)   Infection is localized in a small area of the epidermis.
B)   It is usually caused by S. aureus.
C)   Spontaneous recovery usually occurs in 48 hours.
D)   Infection rapidly causes extensive tissue necrosis and toxic shock.

Question 14

Which of the following factors has contributed to the increased incidence of Kaposi's sarcoma?

Accepted Answer

A)   Excessive sun exposure
B)   Increased number of nevi
C)   Increase in immunosuppressed individuals
D)   Presence of more seborrheic keratoses

Question 15

Which of the following best describes the typical lesion of psoriasis?

Accepted Answer

A)   Purplish papules that can erode and become open ulcers
B)   Firm, raised pruritic nodules that can become cancerous
C)   Moist, red vesicles, which develop into bleeding ulcers
D)   Begins as a red papule and develops into silvery plaques D

Question 16

The cause of contact dermatitis can often be identified by:

Accepted Answer

A)   using a culture and sensitivity test on the exudate.
B)   checking the frequency of the exacerbations.
C)   noting the location and size of the lesion.
D)   the type of pain associated with the lesion.

Question 17

One factor that is responsible for increasing the mortality rate among patients suffering with necrotizing fasciitis is:

Accepted Answer

A)   a delay in initial diagnosis.
B)   lack of proper antibiotics.
C)   the appearance of additional opportunistic infections.
D)   secondary fungal infections.

Question 18

Choose the best description of the typical lesion of impetigo.

Accepted Answer

A)   Large, red, painful nodule filled with purulent exudates
B)   Small vesicles that rupture to produce a crusty brown pruritic mass
C)   Red, swollen, painful areas often with projecting red streaks
D)   Firm, raised papules that may have a rough surface and may be painful

Question 19

What causes the pruritus associated with scabies?

Accepted Answer

A)   An allergic reaction to the causative microbe due to endotoxins
B)   Mites burrowing into the epidermis and reaction to their feces
C)   Bleeding and injected toxin from bites of the larvae
D)   Neurotoxins secreted by mites on the skin surface

Question 20

Herpes virus is usually spread by all of the following EXCEPT:

Accepted Answer

A)   saliva during an exacerbation and for a short time thereafter.
B)   contact with the fluid in the lesion.
C)   contaminated blood.
D)   autoinoculation by fingers.

Exam 8: Skin Disorders

Which type of microbe causes Tinea infections?

Correct AnswerverifiedShow Answer

Plantar warts are caused by:

Correct AnswerverifiedShow Answer

Which of the following is a common effect of a type I hypersensitivity response to ingested substances?

Correct AnswerverifiedShow Answer

Choose the correct match of the skin condition and its usual location.

Correct AnswerverifiedShow Answer

Which of the following statements applies to impetigo?

Correct AnswerverifiedShow Answer

What is the common signal that a recurrence of herpes simplex infection is developing?

Correct AnswerverifiedD

Which of the following areas lacks blood vessels and nerves?

Correct AnswerverifiedShow Answer

How can pediculosis be diagnosed?

Correct AnswerverifiedShow Answer

The pathological change associated with scleroderma is:

Correct AnswerverifiedC

Systemic effects of acute necrotizing fasciitis include:

Correct AnswerverifiedShow Answer

Which of the following applies to actinic keratoses?

Correct AnswerverifiedShow Answer

What change occurs in the skin with psoriasis?

Correct AnswerverifiedShow Answer

Which of the following statements regarding acute necrotizing fasciitis is TRUE?

Correct AnswerverifiedShow Answer

Which of the following factors has contributed to the increased incidence of Kaposi's sarcoma?

Correct AnswerverifiedShow Answer

Which of the following best describes the typical lesion of psoriasis?

Correct AnswerverifiedD

The cause of contact dermatitis can often be identified by:

Correct AnswerverifiedShow Answer

One factor that is responsible for increasing the mortality rate among patients suffering with necrotizing fasciitis is:

Correct AnswerverifiedShow Answer

Choose the best description of the typical lesion of impetigo.

Correct AnswerverifiedShow Answer

What causes the pruritus associated with scabies?

Correct AnswerverifiedShow Answer

Herpes virus is usually spread by all of the following EXCEPT:

Correct AnswerverifiedShow Answer

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D

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C

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D

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