Skin Disorders

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Question 1

Free

Multiple Choice

Which of the following areas lacks blood vessels and nerves?

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Epidermis

Dermis

Subcutaneous tissue

Fatty tissue

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Question 2

Free

Multiple Choice

What is a raised, thin-walled lesion containing clear fluid called?

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Papule

Pustule

Vesicle

Macule

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Question 3

Free

Multiple Choice

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

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Contact dermatitis

Urticaria

Discoid lupus erythematosus

Psoriasis

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Question 4

Free

Multiple Choice

What change occurs in the skin with psoriasis?

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Recurrent hypersensitivity reactions

Autoimmune response

Increased mitosis and shedding of epithelium

Basal cell degeneration

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Question 5

Free

Multiple Choice

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

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Purplish papules that can erode and become open ulcers

Firm, raised pruritic nodules that can become cancerous

Moist, red vesicles, which develop into bleeding ulcers

Begins as a red papule and develops into silvery plaques

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Question 6

Multiple Choice

Why do secondary infections frequently develop in pruritic lesions?

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Loss of protective sebum

Entry of resident flora while scratching the lesion

Blockage of sebaceous glands

Increased sweat production

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Question 7

Multiple Choice

Which disease is considered an autoimmune disorder?

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Pemphigus

Erysipelas

Contact dermatitis

Scleroderma

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Question 8

Multiple Choice

Which of the following skin lesions are usually caused by Staphylococcus aureus?

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Furuncles

Verrucae

Scabies

Tinea

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Question 9

Multiple Choice

Which of the following statements applies to impetigo?

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Lesions usually appear on the hands and arms.

The cause is usually a virus.

The infection is highly contagious.

Scar tissue is common following infection.

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Question 10

Multiple Choice

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

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Severe pain around the mouth

Malaise and fatigue

Fever and severe headaches

Mild tingling along the nerve or on the lips

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Question 11

Multiple Choice

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

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saliva during an exacerbation and for a short time thereafter.

contact with the fluid in the lesion.

contaminated blood.

autoinoculation by fingers.

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Question 12

Multiple Choice

How are antiviral drugs effective in treating a viral infection?

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They destroy the virus if administered for at least 2 weeks.

They limit the acute stage and viral shedding.

They prevent any systemic effects of viruses.

They prevent any secondary bacterial infection.

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Question 13

Multiple Choice

Tinea capitis is an infection involving the:

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trunk.

feet.

scalp.

nails.

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Question 14

Multiple Choice

Plantar warts are caused by:

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the fungus aspergillus.

a parasitic arthropod.

human papillomavirus.

the bacterium Streptococcus pyogenes.

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Question 15

Multiple Choice

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

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Infection is localized in a small area of the epidermis.

It is usually caused by S. aureus.

Spontaneous recovery usually occurs in 48 hours.

Infection rapidly causes extensive tissue necrosis and toxic shock.

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Question 16

Multiple Choice

Which type of microbe causes Tinea infections?

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Fungus

Virus

Gram-negative bacterium

Mite

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Question 17

Multiple Choice

What causes the pruritus associated with scabies?

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An allergic reaction to the causative microbe due to endotoxins

Mites burrowing into the epidermis and reaction to their feces

Bleeding and injected toxin from bites of the larvae

Neurotoxins secreted by mites on the skin surface

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Question 18

Multiple Choice

How can pediculosis be diagnosed?

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Pruritus in hairy areas of the body

Loss of blood due to lice bites

Finding lice in clothing

The presence of nits at the base of hair shafts

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Question 19

Multiple Choice

What is the major predisposing factor to squamous cell carcinoma?

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Viral infection

Presence of nevi (moles) on the skin

Exposure to ultraviolet light

Frequent hypersensitivity reactions

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Question 20

Multiple Choice

All of the following statements apply to malignant melanoma EXCEPT:

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The malignant cell is a melanocyte.

They present as non-pruritic purplish macules.

The neoplasm grows rapidly and metastasizes early.

The lesion is usually dark or multicolored with an irregular border.

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