2013 micro Flashcards
How is brucellosis acquired?
A. Contaminated blood
B. Oral route
C. breast milk
B. Oral route
Which bordetella toxin inhibits cilia movement?
A. Filamentous haemagglutinin
B. Tracheal cytotoxin
C. Pertussis toxin
B. Tracheal cytotoxin
Kaposi’s sarcoma is caused by which of the following?
A. HH7
B. HH6
C. HH8
C. HH8
human herpes virus 8
Which of the following is the vector for lassa virus?
A. Mosquito
B. Rodents
B. Rodents
Which of the following is true about corynebacteria dephteriae? A. Toxin-mediated B. Gram-negative C. Motile D. Capsulated
A. Toxin-mediated
Which is most likely linked to septicemia caused by pseuodomonas aeruginosa?
A. Malignancy
B. Ecthyma gangrenosum
A. Malignancy
(Ecthyma gangrenosum is linked to pseudomonas but it is a skin-soft tissue infection
Which is true about salmonella?
A. Anaerobe non-lactose fermenter
B. Facultative anaerobe non-lactose fermenter
C. Strict aerobe non-lactose fermenter
B. Facultative anaerobe non-lactose fermenter
Which of the following causes swollen lymph nodes at the site of the flea bite?
A. Yersinia pestis
B. Klebsiella aerogenes
C. Yersinia pseudotuberculosis
A. Yersinia pestis
Antigens of which of the following organisms are used in Weil Felix test? A. klebsiella B. proteus mirabilis C. E.coli D. proteus vulgaris
D. proteus vulgaris
Which of the following is the reservoir for leptospira icterohaemorrhagiae?
A. Dogs
B. Pigs
C. Rats
C. Rats
A 3-year old child got meningitis because of gram-negative diplococci; which of the following vaccines did he probably missed?
A. Meningococcal conjugate vaccine
B. Pneumococcal conjugate vaccine
A. Meningococcal conjugate vaccine
against N. meningitis
Which of the following is the major constituent of gram-positive cell wall?
A. Peptidoglycan
B. Teichoic acid
A. Peptidoglycan
its the major component, while teichoic acid is avaliable in the gram + cell wall too
What is the best way to diagnose a cyst in the right lobe of the liver?
A. Serology for specific antibodies
B. PCR
A. Serology for specific antibodies
What is true about HSV-2?
A. Mostly associated with orolabialdisease
B. Can only effect genital area
C. Associated with neonatal CNS diseases
C. Associated with neonatal CNS diseases (ex/ meningitis)
Which of the following causes pneumonitis in kidney transplant patients?
A. CMV
B. VZV
A. CMV
its the most common agent
Which hepatitis virus is transmitted by feco-oral route?
A. Hepatitis C
B. Hepatitis B
C. Hepatitis E
C. Hepatitis E
Which of the following indicates infectivity of active hepatitis B infection?
A. HBsAg
B. HBeAg
C. HBe-Antibody
B. HBeAg
Which bacteria cause hemolytic uremic syndrome?
A. H. pylori
B. Campylobacter jejnuni
B. Campylobacter jejnuni