Lesson 7-5 Group A Strep Procedure

A negative group A Streptococcus test in a symptomatic patient should be confirmed by performing a throat culture.

• True

• False

High specificity in a rapid strep test indicates that it will react only with group A Streptococcus.

• True

• False

High sensitivity in a rapid test for group A Streptococcus indicates that the test can be positive for other bacteria.

• True

• False

Which of the following is a characteristic of group A Streptococcus?

• It is inhibited by bacitracin.

• It grows in clusters.

• It causes alpha hemolysis on BAP.

• It is gram-negative.

Typical morphology of strep is:

• GPC in chains

• none of above

• GPC in grapelike clusters

The typical positive reaction observed with a rapid test for group A Streptococcus is:

• organisms are growing in chains

• beta hemolysis

• organisms are gram-positive

• organisms growing in increased CO2

• the appearance of a colored line or product

The destruction of RBCs resulting in the release of hemoglobin from the cells is called ____________.

• Hemolysis
• agglutination

• autolysis

• anemia

Pharyngeal is having to do with the ____________, or pharynx.

• throat
• mouth

• intestinal tract

• nasal passages

Streptococcus pyogenes belongs to Lancefield group ____________.

• A
• B

• C

• D

An untreated group A Streptococcus infection can result in serious complications, especially for those under the age of ____________.

• 18
• 5

• 10

• 25