(Part 2) 2.8.2 G. vaginalis Microscope, Culture, and Biochemical test

Question 1

G. vaginalis can be usually observed in wet mounts when BV is suspected

T or F

Answer 1

T

Question 2

These are large squamous epithelial cells with G+ on the edges

This is usually known as Dirty looking squamous epithelial cells cause by G. vaginalis

Answer 2

Clue cells

Question 3

What is the most common specimen for G. vaginalis?

Answer 3

Vaginal discharge

Question 4

G. vaginalis grows best at ____ CO2 and a Temp at________

Answer 4

5-7%, 35-37C

Question 5

Cultural characteristic of G. vaginalis is similar to Eryisipelothrix which is?

Answer 5

Nonhemolytic, pinopoint colony

Question 6

What is the medium of choice for G. vaginalis

Answer 6

Human blood bilayer tween agar

Question 7

In human blood bilayer tween agar, what prevents growth of yeasts and fungi?

Answer 7

CNA agar and Amphoteicin B

Question 8

What is the purpose of Human blood in Human blood bilayer tween agar?

Answer 8

enhance beta hemolysis

Question 9

Catalase Neg or Pos for G. vaginalis?

Answer 9

Neg

Question 10

Oxidase neg or pos for G. vaginalis

Answer 10

Neg

Question 11

Hippurate hydrolysis for G. vaginalis

Neg or pos

Answer 11

Pos

Question 12

Most common non cultural test for detection of G. vaginalis

Answer 12

KOH test

Question 13

KOH test is known as

Answer 13

Whiff test

Question 14

How is KOH test is done?

Answer 14

Vaginal secretion + 10% KOH

Question 15

Positive result for KOH test of G. vaginalis

Answer 15

Pungent, Fishy amine-like odor