A 20-year-old female presents with pharyngitis. The rapid group A Streptococcus screen is negative, and a blood agar plate is inoculated. After 24 hours incubation, a tiny gray colony with a narrow zone of beta-hemolysis is observed
The microbiologist performs a streptococcal serotype for group A and the result is negative. She should
A) repeat the streptococcal serotype after boiling the organism suspension.
B) perform an ELEK test.
C) perform a Gram stain and catalase test.
D) finalize the culture as "No Group A Streptococcus isolated."
C
You might also like to view...
Match each item with a statement below.
A. A small capsule that contains a camera, light source, and digital storage is swallowed; later, images of the entire gastrointestinal tract can be reviewed in high resolution B. Physician treats a broad range of ailments that would typically be found in a family C. Uses very strong magnetic fields to visualize internal body structures D. Means "immediately" E. Uses high-frequency sound waves to image soft-tissue structures like organs F. Departments that provide various chemical, microbial, microscopic, and other studies for the purpose of diagnosing and treating disease or injury G. Medical imaging technology that uses the radioactive decay of radiopharmaceuticals in the diagnosis and treatment of disease H. Cast static shadows of internal body structures on photographic film I. A specialty that concentrates on treatment and diagnosis of representative adult diseases, especially diseases that involve multiple systems
A disorder related to the functioning of the stomach and intestines is treated by a(n) ____.
A. gerontologist B. allergist C. gastroenterologist D. cardiologist E. neurologist
The theories most likely to be used in research on the process of developing and maintaining athletic identities are
A. interactionist theories. B. opportunity theories. C. cultural theories. D. Freudian theories.
Following immediate treatment with a bronchodilator, when should most asthma attacks terminate?
A. within seconds B. within minutes C. within hours D. within days