Question: Most strains of Streptococcus pyogenes produce penicillinase.

Answer: False

Question: Neisseria meningitidis and Neisseria gonorrhoeae are fastidious, gram-negative cocci that produce oxidase.

Answer: True

Question:

Answer: the organism produces a large number of tissue damaging enzymes and toxins.

Question: Local Staphylococcus aureus infections often involve formation of an abscess.

Answer: True

Question:

Answer: is usually caused by the viridans streptococci.

Question: If left untreated, an infection with ___ can lead to pelvic inflammatory disease and infertility.

Neisseria gonorrhoeae

Staphylococcus aureus

Neisseria meningitidis

Streptococcus pyogenes

Streptococcus pneumoniae

Answer: Neisseria gonorrhoeae

Question:

Answer: it is caused by immune system autoantibodies that attack heart and valve tissue.

Question: Streptococcus pneumoniae is:

a gram positive diplococcus with a capsule.

All of the choices are correct.

in the viridans group.

called the meningococcus.

a pathogen with endotoxin.

Answer: a gram positive diplococcus with a capsule.

Question: The enzyme that coagulates plasma is:

staphylokinase.

hyaluronidase.

catalase.

coagulase.

Dnase.

Answer: coagulase.

Question: Rebecca Lancefield differentiated streptococci on the basis of differences in their:

patterns of hemolysis on blood agar.

cell wall carbohydrates in a serological test.

All of the choices are correct.

ability to produce catalase.

gram stain appearance.

Answer: cell wall carbohydrates in a serological test.