Download RGUHS (Rajiv Gandhi University of Health Sciences) MBBS (Bachelor of Medicine and Bachelor of Surgery) 2nd Year (Second Year) 2023 May 1031 Microbiology Paper II Rs 4 Previous Question Paper
Rajiv Gandhi University of Health Sciences, Karnataka
MBBS Phase ? II (CBME) Degree Examination - 26-May-2023
Time: Three Hours
Max. Marks: 100 Marks
MICROBIOLOGY ? PAPER II (RS-4)
Q.P. CODE: 1031
(QP contains two pages)
Your answers should be specific to the questions asked
Draw neat, labeled diagrams wherever necessary
LONG ESSAYS
2 x 10 = 20 Marks
1.
A 10 year old boy was brought to the OPD with high grade fever, productive cough with
rusty sputum and difficulty in breathing for the past two days. Physical examination
showed dull note on percussion. Microscopy of the sputum sample showed plenty of pus
cells and gram positive, lanceolate diplococcic surrounded by a halo
a) What is the clinical diagnosis of this condition and the most likely etiologic agent?
b) How will you confirm the etiologic agent in the laboratory?
c) Describe the virulence factors and the pathogenesis of the etiological agent
d) How will you manage this clinical condition?
2.
A 7-month old baby was admitted to the hospital with complaints of high-grade fever,
vomiting, seizure and neck rigidity. CSF sample was collected by lumbar puncture in a
sterile container and sent to the laboratory for biochemical analysis, cell count and culture
and sensitivity testing. Gram's stain revealed, gram negative diplococci
a) What is probable clinical diagnosis?
b) What are the etiological agents?
c) Pathogenesis of this disease
d) Describe the laboratory diagnosis in detail
e) What are the treatment modalities in this case?
SHORT ESSAYS
8 x 5 = 40 Marks
3. 1. Laboratory diagnosis of syphilis
4. 2. Etiology and laboratory diagnosis of Lympho Granuloma Venereum (LGV)
5. 3. Etiology, pathogenesis and lab diagnosis of Japanese B encephalitis
6.
Standard precautions in health care delivery
7.
Pathogenesis and laboratory diagnosis of Covid-19 disease
8.
Pathogenesis and laboratory diagnosis of rabies
9.
Pathogenesis and laboratory diagnosis of Toxoplasmosis
10. Laboratory diagnosis of Zygomycosis
SHORT ANSWERS
10 x 3 = 30 Marks
11. Laboratory diagnosis of Neuro cysticercosis
12. Name three viruses producing inclusion bodies
13. Mention three complications caused by Zika virus during pregnancy
14. Mention three Oncogenic viruses and the malignant conditions caused by them
15. Laboratory diagnosis of Hydatid disease
16. Mention three deep Mycotic conditions and their causative agents
17. Etiology and laboratory diagnosis of Vincent's angina
18. A 46 year old man from Africa came to the OPD with abdominal pain, Hematuria and Dysuria.
Urine culture showed no growth. Urine wet mount examination revealed oval non operculated
eggs with terminal spine
a) What is the etiological diagnosis?
b) What is the definitive host and intermediate host?
19. Laboratory diagnosis of Trichomoniasis
Page 1 of 2
QP CODE : 1031
Rajiv Gandhi University of Health Sciences, Karnataka
20. A 25 year old female came to the OPD with vaginal itching. On examination there was a white
creamy discharge. The Gram's stain revealed gram positive budding yeast cells
a) What is the probable diagnosis?
b) What is the specimen to be collected?
c) What are the common species of this yeast
Multiple Choice Questions
10 x 1 = 10 Marks
21 i) Which of the following statement about mumps is not correct
A. Bilateral Parotitis is the most common presentation
B. Other salivary glands are never involved
C. Atypical mumps presents as meningitis
D. Incuba
tion period is about 19 days
21 ii
) Which of the following statements concerning antigenic drift in influenza viruses is correct
A. It results in major antigenic changes
B. It is exhibited only by influenza A viruses
C. It is due to frame-shift mutations I viral genes
D. It
occurs more frequently than antigenic shift
21 ii
i) Spore producing bacilli with drum stick appearance is seen in
A. C.bifermentans
B. C.perfringens
C. C.tetani
D. C.tertium
21 iv)
Which of the following tumor is not caused by Epstein-Barr virus?
A. Post transplant lymphomas
B. Hodgkin's disease
C. Burkitt's lymphoma
D. Ka
posi's sarcoma
21 v)
Gloves are discarded in which of the following containers
A. Blue
B. Red
C. Yellow
D. Black
22 i) Which of the following is not a common cause of neonatal meningitis?
A. E.coli
B. S.agalactiae
C. Listeria monocytogenes
D. S.
pneumoniae
22
ii) Survival of M. Tuberculosis inside the macrophages is due to
A. Inhibition of entry into the host cell
B. Inhibition of entry into the phagosome
C. Inhibition of phagosome ? lysosome fusion
D. Inhibts
degradation by lysosomal enzymes
22 iii) Which is not a property of S. Pneumoniae?
A. Bile solubility
B. Animal pathogenicity in mice
C. Grows in presence of 40% bile
D. Optochin
sensitivity
22 iv)
Production of early metachromatic granules can be seen best in which of the following
media
A. Nutrient agar
B. Chocolate agar
C. Loeffler's serum slope
D. Potassium
tellurite agar
22 v)
Which of the following pattern of fever is seen in Brucellosis
A. Relapsing fever
B. Step ladder fever
C. Undulant fever
D. Pontiac fever
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This post was last modified on 02 December 2024