Pathophysiology Exam 4 Questions And
Answers |Latest 2025 | Guaranteed Pass.
Which of the following areas lacks blood vessels and nerves?
A) epidermis
B) dermis
C) subcutaneous tissue
D) fatty tissue - Answer✔A) epidermis
What is a raised, thin-walled lesion containing clear fluid called?
A) Papule
B) Pustule
C) Vesicle
D) Macule - Answer✔C. vesicle
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 - Answer✔B) urticaria
What change occurs in the skin with psoriasis?
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A) recurrent hypersensitivity reactions
B) autoimmune response
C) increased mitosis and shedding of epithelium
D) basal cell degeneration - Answer✔C) increased mitosis and shedding of epithelium
Which of the following best describes the typical lesion of psoriasis?
A) purplish papsule 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 - Answer✔Begins as a red papule
and develops into silvery plaques
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 - Answer✔B) entry of resident flora while scratching the lesion
Which disease is considered an autoimmune disorder?
A) pemphigus
B) erysipelas
C) contact dermatitis
D) scleroderma - Answer✔A) pemphigus
Which of the following skin lesions are usually caused by Staphylococcus aureus?
A) furuncles
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B) verrucae
C) scabies
D) tinea - Answer✔A) Furuncles
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 - Answer✔C) the infection is highly contagious
What is the common signal that a recurrence of herpes simplex infection is developing?
A) severe pain around mouth
B) malaise and fatigue
C) fever and severe headaches
D) mild tingling along the nerve or on the lips - Answer✔D) mild tingling along the nerve or on
the lips
Herpes virus is usually spread by all of the following EXCEPT:
A) salvia during an exacerbation and for a short time thereafter
B) contaminated blood
C) autoinoculation by fingers - Answer✔B) contaminated blood
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
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D) they prevent any secondary bacterial infection - Answer✔B) they limit the acute stage and
viral shedding
Tinea capitis is an infection involving the:
a) trunk
b) feet
c) scalp
d) nails - Answer✔C) scalp
Plantar warts are caused by
A) the fungus aspergillus
B) a parasitic arthropod
C) human papilloma virus
D) the bacterium Streptococcus pyogenes - Answer✔C) human papilloma virus
Which of the following statements regarding acute necrotizing fasciitis is TRUE?
A) it is usually caused by S. aureus
B) spontaneous recovery usually occurs in 48 hours
C) infection rapidly causes extensive tissue necrosis and toxic shock - Answer✔C) infection
rapidly causes extensive tissue necrosis and toxic shock
Which type of microbe causes Tinea infections?
A) fungus
B) virus
C) gram-negative bacterium
D) mite - Answer✔A) fungus
What causes the pruritus associated with scabies?
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