Medical Microbiology
.
- 1.What word describes a mutually beneficial relationship?
- A.
Saprophytic
- B.
Commensal
- C.
Symbiotic
- D.
Pathogenic
- 2.What does the protozoa plasmodia cause?
- A.
Ringworm
- B.
Malaria
- C.
Dysentry
- D.
Meningitis
- 3.What does Staphylococcus aureus cause?
- A.
Boils, septicaemia, food poisoning, wound infections
- B.
Tonsillitis, cellulitis, scarlet fever, septicaemia
- C.
Pneumonia., otitis media, meningitis
- D.
Endocarditis, dental caries
- 4.What does Streptococcus pneumoniae cause?
- A.
Boils, septicaemia, food poisoning, wound infections
- B.
Tonsillitis, cellulitis, scarlet fever, septicaemia
- C.
Pneumonia., otitis media, meningitis
- D.
Endocarditis, dental caries
- 5.Salmonella causes Enteric fever (typhoid) and food poisoning. Is it a...
- A.
Fungi
- B.
Gram positive bacilli
- C.
Gram negative bacilli
- D.
Gram positive cocci
- 6.Hepatitis B is caused by the DNA virus hepadnavirus. How is it transmitted?
- A.
Blood and bodily fluids
- B.
Airborne
- C.
Waterborne
- D.
Foodborne
- 7.Which virus is known to cause cervical cancer?
- A.
Papilloma virus
- B.
Parvovirus
- C.
Poxvirus
- D.
Paramyxoviruses
- 8.What do the RNA orthomyxoviruses cause?
- A.
Influenza
- B.
Yellow fever
- C.
Colds
- D.
Meningitis
- 9.Which of these causes AIDs?
- A.
Rhabdoviruses
- B.
Retroviruses
- C.
Reoviruses
- D.
Orthomyxoviruses
- 10.Gram positive cell walls are what percentage peptidoglycan?
- A.
90-95%
- B.
50-60%
- C.
5-10%
- D.
25-30%
- 11.For an anaerobic infection which drug is our first choice?
- A.
Metronidazole
- B.
Amoxycillin
- C.
Gentamicin
- D.
Vancomycin
- 12.What does clostridium difficle, an anaerobe, cause?
- A.
Oral infections and Genital tract infections
- B.
Overgrowth in intestine following antibiotic treatment, causes antibiotic associated diarrhoea and pseudomembranous colitis
- C.
Tetanus
- D.
Intra-abdominal absecesses, peritonitis
- 13.Actively participates in host tissue damage. Defined as a naturally occurring protein synthesised during infection of the host that on first time exposure in the host is adverse to the well being of the host. Is it an...
- A.
Endotoxin
- B.
Exotoxin
- 14.Which of these is not a gram negative bacteria?
- A.
Escherichia coli (E. coli)
- B.
Salmonella
- C.
Haemophilus influenzae
- D.
Streptococcus pneumoniae
- 15.Which of these gram negative bacteria commonly cause a UTI?
- A.
Escherichia coli (E. coli)
- B.
Neisseria gonorrhoeae
- C.
Neisseria meningitis
- D.
Salmonella
- 16.What disease/condition does salmonella cause?
- A.
Hepatobiliary tract infection
- B.
Enteric fever and Gastro enteritis in the elderly
- C.
Respiratory and CNS infection inespecially in infants
- D.
CNS infection
- 17.What disease/condition does Haemophilus influenzae cause?
- A.
Respiratory and CNS infection inespecially in infants
- B.
Enteric fever
- C.
Cellulitis/skin infection
- D.
Endocarditis
- 18.What type of antibiotics work by affecting cell wall synthesis?
- A.
BETA-LACTAM ANTIBIOTICS
- B.
TETRACYCLINS
- C.
AMINOGLYCOSIDES
- D.
MACROLIDES
- 19.Aminoglycosides work by Interaction with 30S subunit of ribosomes. Which of these are examples of aminoglycosides?
- A.
Streptomycin, gentamycin
- B.
Erythromycin, azithromycin, clarithromycin
- C.
Vancomycin
- D.
Penicillin
- 20.Macrolides bind to 50S subunit of ribosome: inhibits translocation of growing peptide chain. Which of these are examples of macrolides?
- A.
Streptomycin, gentamycin
- B.
Erythromycin, azithromycin, clarithromycin
- C.
Vancomycin
- D.
Amoxicillin
- 21.Which of these groups of antibiotics work by affecting nucleic acid function or synthesis?
- A.
MACROLIDES
- B.
QUINOLONES AND FLUOROQUINOLONES
- C.
AMINOGLYCOSIDES
- D.
SULFONAMIDES
- 22.Which of these antibiotics works by inhibiting the folic acid converting enzyme?
- A.
Trimetroprim
- B.
Amoxicillin
- C.
Metronidazole
- D.
Rifampicin
- 23.What is the clinical manifestation of poliovirus?
- A.
Gastroenteritis
- B.
Myocarditis
- C.
Spinal paralysis
- D.
Conjunctivitis
- 24.Spring fatigue, Burkitt lymphoma and nasopharynxcarconoma can all be caused by which virus?
- A.
Orthopoxviruses
- B.
EBV
- C.
Caliciviruses
- D.
Hepatitis
- 25.Which of these is not a bloodborne virus?
- A.
HIV
- B.
Hepatitis A
- C.
Hepatitis B
- D.
Hepatitis D
Questions: 45 | Attempts: 23246 | Last updated: Aug 20, 2020
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