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week 71 > Christie > Flashcards

Christie Flashcards

1
Q

What is the most common cause of purulent skin and soft tissue infections found in US emergency departments?

A

Methicillin-resistant Staphylococcus aureus (MRSA).

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2
Q

The lesion shown here is which of the following?

A

Erysipelas

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3
Q

This gentleman has a positive RPR. The lesion shown here are most likely due to

A

Treponema pallidum.

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4
Q

This specimen shown here is most likely due to which one of the following?

A

Cervicofacial Actinomycosis

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5
Q

This individual has diabetes which is not well controlled. He comes in with a glucose of 800 mg/dL (markedly elevated), a fruity odor to his breath, and the lesion shown here. He most likely has which of the following?

A

Rhinocerebral mucormycosis

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6
Q

Which term best describes Candida albicans?

A

Yeast

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7
Q

Which of the following organism is/are gram-positive cocci?

A

Staphylococcus aureus

Streptococcus pyogenes

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8
Q

Which disease is characterized by the presence of “honey-colored” yellow crusts?

A

Non-bullous impetigo

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9
Q

True or False. The most common cause of acute pharyngitis is streptococcus pyogenes.

A

False

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10
Q

A 23-year old gentleman presents with an Irregular thickened white plaque of the right soft palate. An RPR test is positive. What is the cause of his lesion?

A

Treponema pallidum

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11
Q

Which one of the following is not a dimorphic fungus?

A

Aspergillus terreus

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12
Q

True or False. Most Mycobacterium tuberculosis infections are asymptomatic.

A

True

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13
Q

Which of the following is the endemic mycosis of North Carolina?

A

Blastomycosis

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14
Q

Which of the following is an encapsulated yeast that causes central nervous system infection in patients with AIDS.

A

Cryptococcosis

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15
Q

“Ballooning degeneration” of the nuclei of epithelial cells is a characteristic microscopic finding in:

A

Herpes Simplex infections

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16
Q

The most common site for recurrent intraoral herpes infection is:

A

Hard Palate

17
Q

Which one of the following oral presentations of herpes simplex infection is most common?

A

Herpes labialis

18
Q

A unilateral dermatomal distribution of skin lesion should be most suggestive of:

A

Herpes zoster

19
Q

For both herpes simplex and varicella-zoster virus, the organism may remain dormant in the body for many years, and later give rise to a recurrence. The most common site for the virus to remain dormant is:

A

Nerve ganglia

20
Q

Which one of the following can be an early oral sign in patients with infectious mononucleosis?

A

Palatal petechiae

21
Q

Oral hairy leukoplakia is caused by:

A

Epstein-Barr virus (EBV)

22
Q

Orchitis (testicular inflammation) is a well known complication of:

A

Mumps

23
Q

HPV would most likely be involved in pathogenesis of a squamous cell carcinoma in which on of the following locations?

A

Palatine Tonsil

24
Q

Which one of the following is NOT caused by one of the human papilloma viruses (HPV)?

A

Molluscum contagiosum

25
Q

Which of the following infections is most likely to present as an umbilicate lesion?

A

Molluscum contagiosum

26
Q

Leishmaniasis is transmitted by which of the following:

A

Sandfly

27
Q

A gentleman who migrated to the USA from Central America presents with ulceration and granulomatous enlargement of the palatal mucous. Biopsy is remarkable for the findings shown in the illustration. He has which one of the following diseases?

A

Leishmaniasis

28
Q

What is the host for Toxoplasma gondii in nature?

A

Cat

29
Q

What is the most common clinical manifestation of Toxoplasma gondii in a patient with a normal immune system?

A

Infectious mononucleosis-like illness

30
Q

In an analysis of published studies, what is the overall prevalence of xerostomia in COVID-19 patients?

A

43%

31
Q

In an analysis of published studies, what is the most common oral sign of COVID-19?

A

Aphthous-like ulcers

week 71 (8 decks)

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