Exam 13: Streptococcus, Enterococcus, and Similar Organisms

The bacterial species that can be described as able to hydrolyze hippurate,is β-hemolytic,is a major cause of neonatal meningitis and sepsis,and is a producer of the Christie,Atkins,Munch-Petersen (CAMP)factor is:

Which of the following organisms best describes a catalase-negative,gram-positive coccus that is β-hemolytic on sheep blood agar,and bacitracin positive?

S.pneumoniae can be described as:

Differentiation of the pleomorphic strains of streptococci and the similar corynebacteria or lactobacilli can be best accomplished by:

What name is given to the type of hemolysis that produces complete hemolysis and a clearing of the medium?

When performing the CAMP test,what bacteria is steaked down the middle?

The bacterial species that can be described as able to grow in 6.5% sodium chloride (NaCl)and 40% bile,is part of the normal fecal flora of animals and humans,displays g hemolysis,and is a major cause of nosocomial infections is:

Bacitracin,CAMP factor,PYR,and hippurate are tests most likely performed on a(n)_______ Streptococcus.

The development of acute rheumatic fever and subsequent valvular heart disease are problems that may be encountered by patients infected with:

What name is given to the type of hemolysis that produces incomplete hemolysis and a greening discoloration of the medium?

Enterococci can be described as:

What morphologic feature is a major consideration in determining an identification scheme for streptococci?

Optochin,PYR,bile solubility,esculin,and 6.5% NaCl are tests most likely performed on a(n)_______ Streptococcus.

Sheep Blood agar is "stabbed" when inoculating bacteria to enhance hemolysis caused by:

Generally speaking,nutritionally variant streptococci require what ingredient not found in most conventional media?

Which species of bacteria is responsible for causing diseases such as rheumatic fever,glomerulonephritis,and exudative pharyngitis?

The major etiologic agent of bacterial endocarditis in the United States is:

The colonial morphologic features of this organism resemble a donut as it ages,and it has a polysaccharide capsule that is responsible for its virulence.What two characteristics describe this organism?

The drugs of choice for most Enterococcal infections are:

The development of glomerulonephritis is a problem that may be encountered by patients infected with: