Multiple Choice Questions (MCQ)

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Category: Prometric--->Infectious Diseases
Page: 5

Question 21# Print Question

A 25-year-old man returns from a gap-year in Central and South America and presents with a 2 month history of an ulcerating lesion on his lower lip. Examination of his nasal and oral mucosae reveals widespread involvement.

What is the likely cause?

A. Leishmania brasiliensis
B. Leishmania mexicana
C. Trypanosoma cruzi
D. Basal cell carcinoma
E. Leishmania donovani

Question 22# Print Question

A 33-year-old man who is HIV positive is admitted to the Emergency Department with confusion and drowsiness. A CT head shows multiple ring enhancing lesions.

What is the most likely diagnosis?

A. Progressive multifocal leukoencephalopathy
B. Cryptococcal infection
C. Cerebral toxoplasmosis
D. CMV encephalitis
E. Tuberculosis

Question 23# Print Question

A 30-year-old man is diagnosed as having malaria following a recent trip to Zimbabwe.

Which one of the following is most likely to indicate severe malaria?

A. Parasitaemia 1%
B. Heart rate 102 per minute
C. White blood cells 18.2 * 109/l
D. Platelets 105 * 109/l
E. Respiratory rate 30 per minute

Question 24# Print Question

A 30-year-old intravenous drug user is diagnosed as having osteomyelitis of the right tibia.

What is the most likely causative organism?

A. Salmonella species
B. Haemophilus influenzae
C. Staphylococcus aureus
D. Enterobacter species
E. Streptococcus pyogenes

Question 25# Print Question

A 30-year-old woman presents with a white, malodorous vaginal discharge. There is no associated itch or dyspareunia. A diagnosis of bacterial vaginosis is suspected.

Overgrowth of which one of the following organisms is most likely to cause this presentation?

A. Lactobacilli
B. Trichomonas
C. Candida
D. Mycoplasma hominis
E. Gardnerella

Category: Prometric--->Infectious Diseases
Page: 5 of 5