Gram Positive

Question 1

Disease can be due to ingestion of preformed toxin in home-canned foods or spores in honey by an infant

Answer 1

Clostridium botulinum.

Question 2

Symptoms include flaccid paralysis, dry mouth, diplopia, dysphagia and respiratory failure

Answer 2

Clostridium botulinum

Question 3

Part of normal skin flora causing infections of IV lines and catheters

Answer 3

Staphylococcus epidermidis

Question 4

Major cause of endocarditis in patients with prosthetic heart valves

Answer 4

Staphylococcus epidermidis

Question 5

Grows white colonies. Does not produce coagulase. Does not ferment in mannitol. Does not produce Protein A

Answer 5

Staphylococcus epidermidis

Question 6

Common cause of nosocomial infections. Often resistant to antibiotics including vancomycin

Answer 6

Enterococcus spp.

Question 7

Common cause of UTIS, sepsis, meningitis and endocarditis

Answer 7

Enterococcus spp.

Question 8

Major cause of pharyngitis. Can also cause suppurative infections such as erysipelas, cellulitis and impetigo

Answer 8

Streptococcus pyogenes. (Group A Strep)

Question 9

Beta-hemolytic, bacitracin sensitive cocci.

Answer 9

Streptococcus pyogenes (Group A Strep)

Question 10

Detection with host antibodies to bacterial DNase B and anti-streptolysin O (ASO)

Answer 10

Streptococcus pyogenes (Group A Strep)

Question 11

Infection can lead to acute glomerulonephritis, mitral stenosis and aortic stenosis.

Answer 11

Streptococcus pyogenes (Group A Strep)

Question 12

Glomerulonephritis with immune complex deposition. Heart valve destruction due to autoimmune reaction by cross-reactive antibodies

Answer 12

Streptococcus pyogenes (Group A Strep)