Question 1

All of the following are associated with subacute endocarditis, except

Accepted Answer

A)   it occurs in patients that have prior heart damage.
B)   it is caused by immune system autoantibodies that attack heart and valve tissue.
C)   oral bacteria get introduced by dental procedures to the blood.
D)   bacteria colonize previously damaged heart tissue resulting in vegetation.
E)   signs and symptoms include fever, heart murmur, and possible emboli.F) A) and E)
G) A) and D)

Question 2

Which of the following antibiotics specifically disrupt protein synthesis of streptococci?

Accepted Answer

A)   β-lactams
B)   macrolides
C)   cephalosporins
D)   ansamycin plural
E)   aminoglycosidesF) A) and E)
G) C) and E)

Question 3

Necrotizing fasciitis is

Accepted Answer

A)   also called impetigo.
B)   possibly caused by antibodies to Group A streptococci that cross-react with body tissues.
C)   associated with strains of Streptococcus pyogenes producing destructive enzymes and toxins.
D)   typically a sequelae of streptococcal pharyngitis.
E)   not treatable with antimicrobic drugs.F) B) and C)
G) A) and D)

Question 4

Most cases of otitis media in children are due to infection with

Accepted Answer

A)   Streptococcus pneumoniae.
B)   Streptococcus pyogenes.
C)   Branhamella Moraxella)  catarrhalis.
D)   Streptococcus agalactiae.
E)   Staphylococcus saprophyticus.F) A) and D)
G) B) and C)

Question 5

Discuss in detail why strep sore throat must be diagnosed and treated rapidly.

Accepted Answer

Strep throat, caused by the bacteria Str...

Question 6

Impetigo involves itching papules that break and form a very contagious yellow crust.

Accepted Answer

A) True 
 B)False

Question 7

A positive Quellung reaction, or capsular swelling, is confirmatory for

Accepted Answer

A)   Neisseria meningitidis.
B)   Staphylococcus aureus.
C)   Streptococcus pyogenes.
D)   Branhamella Moraxella)  catarrhalis.
E)   Streptococcus pneumoniae.F) A) and B)
G) D) and E)

Question 8

Streptokinase causes the symptoms of scarlet fever.

Accepted Answer

A) True 
 B)False

Exam 18: The Gram-Positive and Gram-Negative Cocci of Medical Importance

Impetigo involves itching papules that break and form a very contagious yellow crust.

Correct Answer
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A positive Quellung reaction, or capsular swelling, is confirmatory for

Correct Answer
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All of the following are associated with subacute endocarditis, except

Correct Answer
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Most cases of otitis media in children are due to infection with

Correct Answer
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Which of the following antibiotics specifically disrupt protein synthesis of streptococci?

Correct Answer
verified

Necrotizing fasciitis is

Correct Answer
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Streptokinase causes the symptoms of scarlet fever.

Correct Answer
verified

Discuss in detail why strep sore throat must be diagnosed and treated rapidly.

Correct Answer
Answered by ExamLex AI
Strep throat, caused by the bacteria Str...
View Answer

Exam 18: The Gram-Positive and Gram-Negative Cocci of Medical Importance

Impetigo involves itching papules that break and form a very contagious yellow crust.

Correct AnswerverifiedShow Answer

A positive Quellung reaction, or capsular swelling, is confirmatory for

Correct AnswerverifiedShow Answer

All of the following are associated with subacute endocarditis, except

Correct AnswerverifiedShow Answer

Most cases of otitis media in children are due to infection with

Correct AnswerverifiedShow Answer

Which of the following antibiotics specifically disrupt protein synthesis of streptococci?

Correct AnswerverifiedShow Answer

Necrotizing fasciitis is

Correct AnswerverifiedShow Answer

Streptokinase causes the symptoms of scarlet fever.

Correct AnswerverifiedShow Answer

Discuss in detail why strep sore throat must be diagnosed and treated rapidly.

Correct AnswerAnswered by ExamLex AIStrep throat, caused by the bacteria Str...View AnswerShow Answer

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Strep throat, caused by the bacteria Str...
View Answer