Mycology Assessment Free Model Question 1

candida-albicans

Mycology Assessment Free Model Question 1

Get the free Model Question of USMLE on Mycology from here. Mycology Free Assessment to test your medical skill on mycology. Stay with us to get the regular updates and model questions on different medical subjects.

295. Which one of the following fungi is MOST likely to be found within reticuloendothelial cells (RES) ?
(A) Histoplasma capsulatum
(B) Candida albicans
(C) Cryptococcus neoformans
(D) Sporothrix schenckii

Answer: 295 (A)

296. Your patient is a woman with a vaginal discharge. You suspect, on clinical grounds, that it may be due to Candida albicans. Which one of the following statements is LEAST accurate or appropriate?
(A) A Gram stain of the discharge should reveal budding yeasts.
(B) The culture of the discharge on Sabouraud’s agar should produce a white mycelium with aerial conidia.
(C) The clinical laboratory can use germ tube formation to identify the isolate as C. albicans.
(D) Antibiotics predispose to Candida vaginitis by killing the normal flora lactobacilli that keep the vaginal pH low.

candida-albicans
candida-albicans

Answer: 296 (B)

297. You have made a clinical diagnosis of meningitis in a 50-year-old immunocompromised woman. A latex agglutination test on the spinal fluid for capsular polysaccharide antigen is positive. Of the following organisms, which one is the MOST likely cause?

(A) Histoplasma capsulatum
(B) Cryptococcus neoformans
(C) Aspergillus fumigatus
(D) Candida albicans

Answer: 297 (B)

298. Fungi often colonize lesions due to other causes. Which one of the following is LEAST likely to be present as a colonizer?
(A) Aspergillus
(B) Mucor
(C) Sporothrix
(D) Candida

Answer: 298 (C)

299. Your patient complains of an “itching rash” on her abdomen. On examination, you find that the lesions are red, circular, with a vesiculated border and a healing central area. You suspect tinea corporis. Of the following choices, the MOST appropriate laboratory procedure to make the diagnosis is a:
(A) Potassium hydroxide mount of skin scrapings
(B) Giemsa stain for multinucleated giant cells
(C) Fluorescent antibody stain of the vesicle fluid
(D) Fourfold rise in antibody titer against the organism

Answer: 299 (A)

Above Questions are collected from Lange Review Microbiology.

Author: Jinjeera

I am Dr. Toufiq Hassan Shawon.

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