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Mcqs MBBS Exams India
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(Single Best Answer) Question 31: The following methods of diagnosis utilize labeled antibodies except ?
A) ELISA (Enzyme Linked immunosorbent Assay)
B) Haemagglutination inhibition test
C) Radio immunoassay
D) Immunofluorescence
Answer (Select an option above to get the answer):
(Single Best Answer) Question 32: A 3 week old child presented to the pediatrician with meningitis. A presumptive diagnosis of late onset of a perinatal infection was made. The CSF culture was positive for gram positive bacilli. Which of the following characteristic of this bacteria would be helpful in differentiating it from other bacteria agents ?
A) Ability to grow on Blood agar
B) Ability to produce catalase
C) Fermentative attack on sugars
D) Molitity at 25°C
Answer (Select an option above to get the answer):
(Single Best Answer) Question 33: All of the following are a part of the innate immunity except ?
A) Complement
B) NK cells
C) Macrophages
D) T cells
Answer (Select an option above to get the answer):
(Single Best Answer) Question 34: The following statements are true regarding Chlamydia except ?
A) Erythromycin is effective for therapy of Chlamydial infections
B) Their cell wall lacks a peptidoglycan layer
C) They can grow in cell free culture media
D) They are obligate intracellular bacteria
Answer (Select an option above to get the answer):
(Single Best Answer) Question 35: The following is the etiological agent of Rocky mountain spotted fever ?
A) Rickettsia rickettsii
B) Rochalimaea quintana
C) Rickettsia tsutsugamushi
D) Coxiella burnetii
Answer (Select an option above to get the answer):
(Single Best Answer) Question 36: With reference to infections with Escherichia coli the following are true except ?
A) Enteroaggregative E.coli is associated with Persistent diarrhoea
B) Enterohemorrhagic E.coli can cause haemolytic uraemic syndrome
C) Enteroinvasive E.coli produces a disease similar to salmonellosis
D) Enterotoxigenic E.coli is a common cause of traveler's diarrhoea
Answer (Select an option above to get the answer):
(Single Best Answer) Question 37: The following statements are true regarding melioidosis except ?
A) It is caused by Burkholderia mallei
B) The agent is a gram negative aerobic bacteria
C) Bipolar staining of the aetiological agent is seen with methylene blue stain
D) The most common form of melioidosis is pulmonary infection
Answer (Select an option above to get the answer):
(Single Best Answer) Question 38: All of the following Vibrio sp. are halophilic, except ?
A) V.cholerae
B) V.parahaemolyticus
C) V.alginolyticus
D) V.fluvialis
Answer (Select an option above to get the answer):
(Single Best Answer) Question 39: All of the following organisms are known to survive intracellularly except ?
A) Neisseria meningitides
B) Salmonella typhi
C) Streptococcus pyogenes
D) Legionella pneumophila
Answer (Select an option above to get the answer):
(Single Best Answer) Question 40: The capsule of Cryptococcus neoformans in a CSF sample is best seen by ?
A) Grams stain
B) India ink preparation
C) Giemsa stain
D) Methanamine - Silver stain
Answer (Select an option above to get the answer):