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Exam 19: Infections of the Skin and Eye

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Question 1

Multiple Choice

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Which of the following is used to treat shingles?

A) penicillin
B) sulfonamide
C) acyclovir
D) fungicide

E) C) and D)
F) B) and C)

Correct Answer

verified

C

Question 2

Multiple Choice

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The figure below shows the fungi Fusarium.When accidentally introduced into the eye,what type of infection does this organism cause?

A) fungal keratitis
B) parasitic keratitis
C) allergic conjunctivitis
D) trachoma

E) A) and C)
F) C) and D)

Correct Answer

verified

A

Question 3

Essay

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Explain the cycle of acne.What is the causative agent and why are some individuals more prone to acne than others?

Which of the following statements about congenital rubella syndrome is FALSE?

All of the following are transmitted via the respiratory route EXCEPT

Which of the following lists the layers of the skin in the correct order from deepest to superficial?

An eight-year-old girl has scabs and pus-filled vesicles on her face and throat.Three weeks earlier she had visited her grandmother,who had shingles.What infection does the eight-year-old have?

Opthalmia neonatorum is a serious eye disease of infants caused by ________.

CASE HISTORY Jennifer remembered the day she was shot,but not the day they had to remove her leg.She was camping in the middle of the Black Hills of South Dakota when an unseen hunter tried to shoot a deer.He missed his prey,but the errant bullet traveled a great distance and tore through Jennifer's thigh.In tremendous pain,Jennifer fashioned a tourniquet to stop the bleeding and then struggled two days to hike the ten miles back to civilization.By the time she arrived at a hospital,the wound and underlying muscle were clearly infected.The area around the wound was reddened and contained fluid-filled blisters,and parts were starting to turn black.The drainage coming from the wound contained pus and was foul smelling,all signs of gas gangrene.The surgical team worked to debride the dead tissue and placed her on intravenous antibiotic therapy (clindamycin).The microbiology laboratory reported finding Clostridium perfringens in the samples sent.Despite treatment,including hyperbaric oxygen,the infection continued spreading further up her leg.The surgeons finally decided that amputation was the only way to save her life. Why might hyperbaric oxygen have been suggested as a treatment for Jennifer following the return of her lab results?

Which of the following is the cause of a fungal infection on the scalp?

Why is vaccination for rubella recommended?

All of the following are virulence factors associated with S.pyogenes EXCEPT

All of the following are classified as dermatophytic fungi EXCEPT

Necrotizing fasciitis is often caused by ________.

Fungal skin diseases are diagnosed based on

A patient is brought to the hospital suffering with a MRSA infection.Which of the following is the best treatment option?

Which of the following are INCORRECTLY matched?

Compare and contrast the virulence factors associated with Staphylococcus and Streptococcus.Which of these agents is the most difficult to treat? Explain your answer.

All of the following are methods used to treat C.perfringens infection EXCEPT

The greatest single cause of infectious blindness is