General microbiology

A. Candida fungi
B. Staphylococci
C. Sarcinae
D. Actinomycete
E. Tetracocci
9. A 70-year-old man has developed prosphetic stomatitis. Apart of this he was found to have an evident lesion of mouth corners. Microscopical examination revealed large ovoid gram-positive cells. What microorganisms are most likely to be the leading etiological agent of such a lesion?
A. Candida fungi B. Streptococci C. Staphylococci
D. Neisseria E. Corynebacteria
10. An 18-year-old patient has developed candidiasis after the case of pneumonia treated with β-lactam antibiotic. What antimycotic agent should be prescribed?
A. Fluconazole B. Streptomycin C. Phthalylsulfathiazole
D. Ampicillin E. Trimethoprim/sulfamethoxazole
11. A patient who has been taking tetracycline for a long time has developed candidosis of mucous membranes. What drug shoul administered for its treatment?
A. Itraconazole B. Griseofulvin C. Nitrofungin
D. Amphotericin E. Nitrofurantoin
12. A female who had been continuously taking antibiotics for an intestinal infection developed a complication manifested by inflammation of the oral mucosa and white deposit. Bacteriological study of the deposit samples revealed yeast fungi Candida albicans. Which of the following medications is indicated for the treatment of this complication?
A. Fluconazole B. Biseptol C. Tetracycline
D. Furazolidone E. Polymyxin
13. A pregnant woman complains of vaginal mucosa irritation, itching and genital tracts secretion. Bacterioscopy of vaginal smears revealed large gram-positive oval oblong cells that form pseudomicelium. What is the most probable channel of infection?
A. Endogenous infection B. Sexual transmission C. Contact infection
D. Vector-borne transmission E. Wound infection
A 58-year-old male patient visited his dentist with the chief complaint of itching and burning sensation in his mouth. On intraoral examination, diffuse white patches were seen on his tongue, right and left buccal mucosa, as well as on his hard palate and soft palatal region. The potassium hydroxide (KOH) preparation of the specimen revealed non-pigmented septate hyphae. Administration of which of the following is the most appropriate initial step in treatment of this patient?
A. Nystatin B. Tetracycline C. Gentamicin D. – E. Penicillin
13. An 18-year-old patient has developed candidiasis after the case of pneumonia treated with β-lactam antibiotic. What antimycotic agent should be prescribed?
A. Streptomycin B. Fluconazole C. Phthalylsulfathiazole
D. Ampicillin E. Trimethoprim/sulfamethoxazole (Biseptol)
14. A man uses dentures. The dentist has noticed mucosal lecions with a white coating in his oral cavity. Microscopy of the coating detected large oval Gram-positive cells. What microorganisms have caused stomatitis in the patient?