Download BFUHS MBBS 2nd Year MBN206 Microbiology B Feb 2023 mcq Question Paper

Total No. = 03 pages
Q.P. Code: MBN206
M.B.B.S. 2nd Prof.
(New Scheme w.e.f. 2019 admission onwards)
BF/2023/06

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Microbiology ? B

M.M. : 100
Time : 3 Hours(First 30 Min. for MCQs)
Note: 1.

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Use OMR Sheet to answer Multiple Choice Questions(MCQs).
2.
Attempt all questions. Illustrate your answers with suitable diagrams
3.
NO SUPPLEMENTARY SHEET SHALL BE ALLOWED/PROVIDED

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4.
The student must write Q.P. Code in the space provided on OMR Sheet and the Title page of
the Answer Book.
Q.1
MCQs (Attempt on OMR sheet)

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[1x20]
Tick the most appropriate answer:
1.
A serum sample from 23 year old female has tested positive for hepatitis B. Her friend is requested
you to disclose the report to him without her consent. This is known as ?

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a.
Breech in confidentiality
b.
Maintain of beneficence
c.

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Maleficence
d.
Autonomy
2.
Characteristic anaerobic bacterial infections is

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a.
Foul smelling discharge
b.
Deep seated
c.

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Gas in tissue
d.
All of the above
3.
A 30 year old man presented to OPD with a black eschar had formed on the dorsal surface of the hand.

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A superficial tangential escharectomy was performed for a suspected cutaneous anthrax. What is the
other name of this disease?
a.
Wool sorter's disease
b.

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Hide porter's disease
c.
Darling's disease
d.
Hansen's disease

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4.
A 28 year old patient resident of West Rajasthan presented with a lesion located on the upper lip. The
biopsy revealed amatogote forms in the macrophages suspected to be of oriental sore. Which of the
following is the causative agent:
a.

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Leishmania mexicana
b.
Leishmania braziliensis
c.
Leishmania tropica

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d.
Leishmania chagasi
5.
The sequence of assessment of affective domains is:
a.

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Knows, knows how, shows how, Does
b.
Knows, Shows how, Does, Knows how
c.
Shows how, knows how, Knows, Does

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d.
Does, Shows how, Knows how, Knows
6.
A sexually active 28 year old woman comes to the casualty with 2 day history of pain near the
genitals. Pelvic examination shows shallow, small, extremely tender ulcers with red bases in the vulvar

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and vaginal regions. A Tzanck smear shows the presence of multinucleated giant cells. Which of the
following infectious agents is the most likely cause of these findings?
a.
Candida albicans
b.

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Chlamydia trachomatis
c.
Herpes simplex virus
d.
Treponema pallidum

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7.
A 55 year old male reports to OPD with a 3 day history of painful rash over his left back preceeded by
severe pain for few days in the same area. On examination several clustered lesions which had

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erythematous base and crushed in a band like area seen on the left flank. Which of the following is the
most probable agent.
a.
Cytomegalovirus
b.

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Epstein-Barr virus
c.
Human papillomavirus
d.
Varicella-zoster virus

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8.
A 40 year old male is suspected to have malaria. He is treated with a full course of chloroquine. Later
he continued to have fever and developed encephalitis. A peripheral blood smear shows ring multiple

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forms in her erythrocytes. Which of the following species of plasmodium is most likely cause of the
disease?
a.
P. falciparum
b.

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P. knowlesii
c.
P. malariae
d.
P. vivax

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9.
A 30 year old male was admitted with facial swelling and pain during the past week. He was diabetic for 10
years. There was expulsion of black eschar from the left nose. On microscopic examination of nasal tissue
showed broad, nonseptat hyphae with branches at right angles. Which of the following is the most likely cause?
a.

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Histoplasma oryzae
b.
Rhizopus oryzae
c.
Sporothrix schenchkii

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d.
Torulopsis glabrata
10.
A 22 year old promiscuous female with a history of multiple sexual partners visited the OPD with
complaints of mucopurulent discharge, uretheral and lower abdominal pain for the past one month.

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Gram stain of urethral discharge revealed pus cells > 20/OIF with unique compact inclusion bodies.
Which of the following is the most probable diagnosis and true about the inclusion body?
a.
Lymphogranuloma venerum with Miyagawa corpuscle
b.

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Chlamydia trachomatis with replicating reticulate (H-P) body
c.
Chlamydia psittaci with LCL elementary body
d.
Mycoplasma genitallium with intracellular cowdry body

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11.
A 5 year old child presented with fever, neck rigidity, vomiting, tonic clonic seizures. She also
developed sore throat with cough and chest xray showed bilateral pneumonia. A throat swab was
subjected to gram staining showed pleomorphic gram negative coccobacilli and culture of the
organism required essential factors in the media. Which of the following statement is true for the

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growth of such organism?
a.
Coagulase for the growth of staphylococcus aureus
b.
Haemolysin for the growth of streptococcus pneumonia

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c.
Nicotinamide adenine dinucleotide for growth of haemophilus influenzae
d.
Haemoglobin for the growth of Escherichia coli
12.

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A 10 day old newborn presented with fever 3 days, nasal congestion and discharge per both eyes. The
infant was born by vaginal delivery without premature rupture of me membrane at the gestational age
of 38 weeks. Chest x-ray demonstrated hyperaeration and peri-hilar infiltration. Nasopharyngeal
aspirate on indirect immuneofluroscene detected coarse elementary bodies in the cytoplasm. What is
the most probable diagnosis?

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a.
Mycoplasma pneumonia
b.
Chlamydiae trachomatis
c.

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Legionella pneumophilla
d.
Chlamydophila pneumoniae
13.
A 50 year old male environmentalist by profession was admitted to ICU after he returned from a

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prolonged stay at rural part of Manipur. He developed fever with warty skin lesions, weight loss, acute
breathlessness, hepatoplenomegaly. Histopathological staining of tissue sections showed elliptical
yeast cells with central septation. What could be the probable etiological agent?
a.
Coccidioides immitis

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b.
Cryptococcus neoformans
c.
Pneumocystis jirovecii
d.

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Penicillium marneffei
14.
A 30 year old male fisherman by profession complained of blurred vision with severe headaches. On
examination he has developed ulcerative keratitis with punctuate keratopathy. On culture over non-
nutrient agar saline plate seeded with E. coli produced tracks of a suspected motile microbial agent.

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Identify which of the following could be the most probable organism?
a.
Acanthamoeba
b.
Naegleria fowleri

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c.
Giardia lamblia
d.
Balamuthia
15.

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A pregnant mother had been admitted at the 15th week of her pregnancy on account of a febrile illness,
symptoms of common cold and enlargement of submandibular lymph nodes. A fetal scan showed an
anomaly in fetus including mild hydrocephaly. Termination of the pregnancy was suggested by the
physician and pregnancy was terminated 178 days after conception. Which of the following can be
transmitted transplacentally and be detected by amniotic fluid analysis?

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a.
Taenia solium
b.
Echinococcus granulosus
c.

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Toxoplasma gondii
d.
Plasmodium falciparum

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16.
A 32 year old male tourist travelled to west Africa for 1 month. During the trip he swam in the Gambia
river. Two months later he developed intermittent lower abdominal pain with dysuria. Laboratory
results of ova and parasites revealed eggs with a terminal spine. Which of the following parasites is the
cause of the patient's symptoms?

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a.
Toxoplasma gondii
b.
Schistosoma mansoni
c.

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Schistosoma haematobium
d.
Ascaris lumbricoides
17.
A healthy newborn baby was born at term. His mother had confirmed acute hepatitis B during

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pregnancy. What preventative intervention should be given to the baby?
a.
The full course of hepatitis B vaccine
b.
Full course of hepatitis B vaccine and hepatitis B immunoglobulin

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c.
Hepatitis B immunoglobulin
d.
Hepatitis B vaccine as a single dose
18.

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A 35 year old female presented to the OPD with vaginal discharge adherent to the vaginal mucosa
dysuria with a typical fishy odour. The Wiff test of the discharge was positive. What is the probable
diagnosis?
a.
Chlamydial infection

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b.
Bacterial vaginosis
c.
Trichomonasis
d.

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Candida vaginitis
19.
The IMG stands?
a.
International Medical Graduates

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b.
Indian Medical Graduates
c.
Indian Military Graduates
d.

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None of the above
20.
A 50 year old male farmer by profession owns a few cattle presented with difficulty in breathing, pain
abdomen for 6 months. USG revealed single space-occupying lesion on the upper quadrant of the liver.
He gave the most probable diagnosis is

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a.
Taenia solium
b.
Echinococcus granulosus
c.

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Hymenolepis nana
d.
Histolytica
Q.2.
A 40 year old male presented to Skin/VD OPD was chief complaint of a lesion over penis. On history

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taking and clinical examination the probable diagnosis of Syphilis was made
a.
Name the causative agent.
b.
Discuss different stateges of Syphilis.

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c.
Discuss the lab diagnosis.
[2+4+6]
Q.3.
Describe briefly:

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[5x4]
a.
Atypical pneumonia
b.
Classification of atypical mycobacterium

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c.
Post-exposure prophylaxis in dog bite
d.
Discuss the laboratory diagnosis of diphtheria
Q.4.

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Write briefly: -
[3x5]
a.
HIV infections in immunocopromised patient
b.

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Nocardiosis
c.
Methicilin Resistant staphylococcus aureus (MRSA)
d.
Cryptococcal meningitis

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e.
Leishmaniasis
Q.5.
Discuss briefly: -
[6x3]

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a.
Scrub typhus and its diagnosis
b.
Write a note on TORCH infections. Discuss in brief their laboratory diagnosis
c.

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Categories of biomedical waste.
Q.6.
Write short notes: -
[5x3]
a.

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Laboratory diagnosis of HIV
b.
Post-exposure prophylaxis for hepatitis B
c.
Strategies of antimicrobial stewardship program

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