Download Foxit Reader Software Evaluation Copy and more Exams Microbiology in PDF only on Docsity! 2nd Professional Microbiology MCQ
Continuous Assessment
June 2000
Edited by Foxit Reader
Copyright(C) by Foxit Software Company,2005-2007
For Evaluation Only.
Choose the one best response for each numbered word or statement
1. Vi
A
moan Dw
ruses =)
Are nucleic acid fragments that are enclosed within a protein shell
Usually contain DNA and RNA
Always contain a host cell-derived envelope
Are capable of independent existence
Rarely responsible for life-threatening infection
2. The Gram stain &
A
moans
Does not visualise any fungi
Is used in the diagnosis of TB
Differentiates bacteria on the basis of cell wall constituents
Visualises cocci well but not bacilli
Involves the use of lactophenol blue
3. A key constituent of the Gram negative bacterial cell wall is =
A Teichoic acid &)
B The B-lactam ring
C Chitin
D_sLipidA
E __ Ergosterol
4. Bacteria are most commonly cultured in the diagnostic laboratory
A Incell culture S
B In animal models
C Onagar plates
D__Innutrient broth
E In normal saliva
Edited by Foxit Reader
Copyright(C) by Foxit Software Company,2005-2007
14. Which of the following are not'iarxétefistie Wid¥ phological features of Helicobacter
pylori I)
A. Gram-negative spiral shaped organism
No flagella
Grows on chocolate blood agar
Prefers incubation at 5-10% CO,
mon fw
Urease positive
15. Which of the following statements is most appropriate as a description of Lyme
disease
A. Infection transmitted to man by the bite of the ixodid tick
A history of tick bite is invariable
All patients have a characteristic rash
Neurologic abnormalities are rare
mone
The organism is easily grown in the routine laboratory
Match the numbered question to the lettered response.
Each response may be used once, more than once or not at all.
Organism and appropriate morphological feature
16. Helicobacter pylori a) Lacks a cell wall
17. Mycoplasma b) Gram-negative vibrio-like organism
18. Salmonella c) Rickettsia
19. Staph. aureus d) Bacillus morphology
20. Coxiella e) Cocci in clusters
21. — Clostridium perfringens
22. Ureaplasma spp.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
Coagulase
Enterotoxin
Epidermoloytic toxin
Alpha toxin
Toxic shock syndrome toxin
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Copyright(C) by Foxit Software Company,2005-2007
Virulence feature of Staph. auréis-WHHD LOGIC activity
a)
b)
c)
)
e)
Cytotoxic
Acts on cells of the GIT
Superantigen
Responible for scalded skin syndrome
Converts fibrinogen into fibrin
Bacteria and characteristic feature of culture in laboratory eS
Streptococcus pyogenes
Viridans Streptococci
Pneumococcus
Peptotstreptococci
Streptococcus agalactic
a) Group A beta haemolysis
b) Alpha haemolytic
c) Anaerobic-alpha haemolytic
d) Optochin sensitive
e) Group B beta haemolytic
Bacterium with a common associated infection
Haemophilus influenza type B
Non-incapsulated haemophilus influenza
Legionella pneumophila
Bordetella pertussis
Staph. aureus
Listeria monocytogenes
a) Whooping cough
b) Otitis media
c) Meningitis
d) ‘Pontiac fever’
e) Toxic shock syndrome
39.
40.
41.
42.
43.
44,
45.
46.
47.
48.
49.
50.
Edited by Foxit Reader
Copyright(C) by Foxit Software Company,2005-2007
For Evaluation Only.
Source of campylobacter with means of transmission
Poultry
Milk
Water
Mothers
Dogs
Beefburgers
Goat’s cheese
a)
b)
c)
4)
e)
Species of mycobacteria with clinical feature
M. leprae
M. tuberculosis
M. bovis
M. avium-intercellulare
M. kansasii
a)
b)
c)
qd)
e)
Human contact
Unpasteurised
Inadequately cooked
Defects in purification
Transfer at birth
Pulmonary infection resembling
tuberculosis
Skin lesions
Disseminated disease in HIV patients
Abdominal infection
Pulmonary apical cavitation
