Microbiology MCQ Questions — Page 823

Question 1

A patient presents with lower gastrointestinal bleed. Sigmoidoscopy shows ulcer in the sigmoid. Biopsy from this area shows flask-shaped ulcers. Which of the following is the most appropriate treatment –

Answer

Intravenous ceftriaxone

Answer

Intravenous metronidazole

Answer

Intravenous steroids and sulphasalazine

Answer

Hydrocoisone enemas

Question 2

Answer

Has wide capsule

Answer

Dimorphic fungi

Answer

A Protozoal agent

Answer

Amphoricin-B resistant

Question 3

Answer

M-protein is responsible for production of mucoid colonies

Answer

M- protein is responsible for virulence

Answer

Mucoid colonies are virulent

Answer

No resistance to penicillin has been reported

Question 4

Answer

Glutaraldehyde

Answer

Formaldehyde

Answer

Ethylene oxide

Answer

Benzalkonium chloride

Question 5

BMutation

Answer

Viral interference

Answer

Supervision

Answer

Permutation

Question 6

Answer

The presence of ingested erythrocytes is seen only in Entamoeba histolytica

Answer

Young adult male of low socioeconomic status are most commonly affected by invasive amoebiasis

Answer

A low iron content in the diet predisposes to invasive amoebiasis

Answer

The pathogenic and non-pathogenic strains of E. histolytica can be differentiated by the electrophoretic study of zymodemes

Question 7

ACMV

BVZV

DEBV

Answer

Polio virus

Question 8

AHSV

BCMV

CEBV

DVZV

Question 9

BE. Coli

DH. Pylori

Answer

Salmonellae enterica

Answer

Shigella Sonnei