A physician submits a vaginal swab from a 4-year-old female who has been physically abused. The physician requests a culture for Neisseria gonorrhoeae and Chlamydia trachomatis. After 48 hours, a gray colony is observed on the Thayer-Martin agar.
Further testing provides the following results:
Oxidase: purple Lactose: red
Glucose: yellow Sucrose: red
Maltose: red
This organism should be
A) tested for beta-lactamase production.
B) reported as Neisseria gonorrhoeae.
C) subbed to a nutrient agar at 35C and chocolate agar at 25C.
D) identified using a second methodology.
Question 2
The colonies of Streptococcus agalactiae and Listeria monocytogenes are nearly identical. The two organisms can be differentiated by the
A) catalase test. B) diseases they cause.
C) sodium hippurate hydrolysis test. D) CAMP factor test.