Infectious Disease

Question 1

Three types of Gram +ve cocci

Answer 1

Streptococcus (S pyogenes [Beta, Lancefield A], S pneumoniae [Alpha])
Staphylococcus (S aureus, S epidermidis)
Enterococci

Question 2

Name two types of Gram +ve bacilli aerobes

Answer 2

Bacillus anthracis (anthrax)
Corynebacterium diphtheriae
Listeria monocytogenes
Nocardia species

Question 3

Name two types of Gram +ve bacilli anaerobes

Answer 3

Clostridium: 
C. botulinum (anthrax)
C. perfringens (gas gangrene)
C. tetani (tetanus)
C. difficile (diarrhoea) 
Actinomyces

Question 4

Out of the 5 types of intracellular bacteria, name the 4 obligates.

Answer 4

Chlamydia: 
C. trachomatis/ Chlamydophila psittaci / Chlamydophila pneumoniae 
Coxiella burnetti 
Bartonella and Ehrlichia 
Rickettsia 
Legionella pneumonophilia (non-obligate)

Question 5

Name the two groups of G-ve cocci

Answer 5

Neisseria:
Neisseria meningitidis (meningitis, septicaemia)
Neisseria gonorrhoea 
Moraxella: 
Moraxella catarrhalis (pneumonia)

Question 6

Name 10 Gram -ve bacilli

Answer 6

Escherichia coli/ Shigella/ Salmonella/ Citrobacter freundii/ C. koseri/ Klebsiella pneumoniae/ K oxytoca/ Enterobacter aerogenes/ Serratia marascens/ Proteus mirabilis/ Morganella morganii/Yersinia (providencia species)/ Pseudomonas aeruginosa/ Haemophilus influenzae/ Brucella/ Bordatella pertussis/ Pasturella multocida/ Vibrio cholerae/ Cambylobacter jejuni

Question 7

Gram negative anaerobe bacilli

Answer 7

Helicopacter pylori and Fusobacterium

Question 8

6 main Gram +ve disease causing bacteria

Answer 8

COCCI x2
Staphylococcus (include MRSA), Streptococcus (A and B haemolytic
BACILLI w spores x2
Bacillus cereus, Clostridium difficile
BACILI w no spores x2
Corynebacterium diphtheriae, Listeria monocytogenes