1. Which of the following areas lacks blood vessels and nerves?
a. Epidermis
b. Dermis
c. Subcutaneous tissue
d. Fatty tissue
ANS: A REF: 142
2. What is a raised, thin-walled lesion contai
...
1. Which of the following areas lacks blood vessels and nerves?
a. Epidermis
b. Dermis
c. Subcutaneous tissue
d. Fatty tissue
ANS: A REF: 142
2. What is a raised, thin-walled lesion containing clear fluid called?
a. Papule
b. Pustule
c. Vesicle
d. Macule
ANS: C REF: 143
3. Which of the following is a common effect of a type I hypersensitivity response to ingested substances?
a. Contact dermatitis
b. Urticaria
c. Discoid lupus erythematosus
d. Psoriasis
ANS: B REF: 145
4. What change occurs in the skin with psoriasis?
a. Recurrent hypersensitivity reactions
b. Autoimmune response
c. Increased mitosis and shedding of epithelium
d. Basal cell degeneration
ANS: C REF: 147
5. Which of the following best describes the typical lesion of psoriasis?
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
ANS: D REF: 147
6. Why do secondary infections frequently develop in pruritic lesions?
a. Loss of protective sebum
b. Entry of resident flora while scratching the lesion
c. Blockage of sebaceous glands
d. Increased sweat production
ANS: B REF: 148
7. Which disease is considered an autoimmune disorder?
a. Pemphigus
b. Erysipelas
c. Contact dermatitis
d. Scleroderma
ANS: A REF: 147
8. Which of the following skin lesions are usually caused by Staphylococcus aureus?
a. Furuncles
b. Verrucae
c. Scabies
d. Tinea
ANS: A REF: 148
9. Which of the following statements applies to impetigo?
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.
ANS: C REF: 148
10. What is the common signal that a recurrence of herpes simplex infection is developing?
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
ANS: D REF: 150
11. Herpes virus is usually spread by all of the following EXCEPT:
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.
ANS: C REF: 150
12. How are antiviral drugs effective in treating a viral infection?
a. They destroy the virus if administered for at least 2 weeks.
b. They limit the acute stage and viral shedding.
c. They prevent any systemic effects of viruses.
d. They prevent any secondary bacterial infection.
ANS: B REF: 150
13. Tinea capitis is an infection involving the:
a. trunk.
b. feet.
c. scalp.
d. nails.
ANS: C REF: 150
14. Plantar warts are caused by:
a. the fungus aspergillus.
b. a parasitic arthropod.
c. human papillomavirus.
d. the bacterium Streptococcus pyogenes.
ANS: C REF: 150
15. Which of the following statements regarding acute necrotizing fasciitis is TRUE?
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.
ANS: D REF: 149
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