Christie Flashcards
What is the most common cause of purulent skin and soft tissue infections found in US emergency departments?
Methicillin-resistant Staphylococcus aureus (MRSA).
The lesion shown here is which of the following?
Erysipelas
This gentleman has a positive RPR. The lesion shown here are most likely due to
Treponema pallidum.
This specimen shown here is most likely due to which one of the following?
Cervicofacial Actinomycosis
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?
Rhinocerebral mucormycosis
Which term best describes Candida albicans?
Yeast
Which of the following organism is/are gram-positive cocci?
Staphylococcus aureus
Streptococcus pyogenes
Which disease is characterized by the presence of “honey-colored” yellow crusts?
Non-bullous impetigo
True or False. The most common cause of acute pharyngitis is streptococcus pyogenes.
False
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?
Treponema pallidum
Which one of the following is not a dimorphic fungus?
Aspergillus terreus
True or False. Most Mycobacterium tuberculosis infections are asymptomatic.
True
Which of the following is the endemic mycosis of North Carolina?
Blastomycosis
Which of the following is an encapsulated yeast that causes central nervous system infection in patients with AIDS.
Cryptococcosis
“Ballooning degeneration” of the nuclei of epithelial cells is a characteristic microscopic finding in:
Herpes Simplex infections
The most common site for recurrent intraoral herpes infection is:
Hard Palate
Which one of the following oral presentations of herpes simplex infection is most common?
Herpes labialis
A unilateral dermatomal distribution of skin lesion should be most suggestive of:
Herpes zoster
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:
Nerve ganglia
Which one of the following can be an early oral sign in patients with infectious mononucleosis?
Palatal petechiae
Oral hairy leukoplakia is caused by:
Epstein-Barr virus (EBV)
Orchitis (testicular inflammation) is a well known complication of:
Mumps
HPV would most likely be involved in pathogenesis of a squamous cell carcinoma in which on of the following locations?
Palatine Tonsil
Which one of the following is NOT caused by one of the human papilloma viruses (HPV)?
Molluscum contagiosum
Which of the following infections is most likely to present as an umbilicate lesion?
Molluscum contagiosum
Leishmaniasis is transmitted by which of the following:
Sandfly
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?
Leishmaniasis
What is the host for Toxoplasma gondii in nature?
Cat
What is the most common clinical manifestation of Toxoplasma gondii in a patient with a normal immune system?
Infectious mononucleosis-like illness
In an analysis of published studies, what is the overall prevalence of xerostomia in COVID-19 patients?
43%
In an analysis of published studies, what is the most common oral sign of COVID-19?
Aphthous-like ulcers
