Question 1

Which Gram-positive cocci are part of the normal flora of the bowel and can cause nosocomial infections?

Accepted Answer

Enterococci

Answer

Streptococci

Answer

Staphylococci

Answer

Viridans strep

Question 2

Which Gram-positive cocci is responsible for most cases of pneumonia?

Accepted Answer

Streptococcus pneumoniae

Answer

Staphylococci

Answer

Enterococci

Answer

Viridans strep

Question 3

Which Gram-positive cocci is known to cause toxic shock syndrome?

Accepted Answer

Staphylococcus aureus

Answer

Streptococcus pyogenes

Answer

Enterococci

Answer

Viridans strep

Question 4

Which Gram-positive cocci are highly prevalent in healthy individuals and found in the oral cavity?

Accepted Answer

Viridans strep

Answer

Enterococci

Answer

Staphylococci

Answer

Streptococcus pyogenes

Question 5

Which Streptococci are catalase-negative and form chains?

Accepted Answer

Group B streptococci

Answer

Viridans strep

Answer

Group D streptococci

Answer

Streptococcus pyogenes

Question 6

Which Gram-positive cocci is catalase-positive?

Accepted Answer

Staphylococci

Answer

Enterococci

Answer

Viridans strep

Answer

Streptococci

Question 7

Which group of Gram-positive cocci are opportunistic pathogens known to cause infective endocarditis?

Accepted Answer

Viridans strep

Answer

Streptococci

Answer

Enterococci

Answer

Staphylococci

Question 8

Which Gram-positive cocci are commonly found in biofilms on prosthetics and indwelling devices?

Accepted Answer

Staphylococci

Answer

Streptococci

Answer

Viridans strep

Answer

Enterococci

Question 9

Which member of the Gram-positive cocci causes diphtheria?

Accepted Answer

Corynebacterium diphtheriae

Answer

Streptococcus pneumoniae

Answer

Propionibacterium acnes

Answer

Staphylococcus aureus

Question 10

Which Gram-positive rod is a common part of the skin flora and is involved in the pathogenesis of acne?

Accepted Answer

Propionibacterium

Answer

Corynebacterium diphtheriae

Answer

Streptococcus pneumoniae

Answer

Lactobacillus

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