H. Non Typical Cell Walls Flashcards
0
Q
What stain identifies the mycobacterium and Nocardia
A
Acid fast stain
Will test positive
1
Q
The two genera with non typical cell walls
A
Mycobacterium and Nocardia
2
Q
Characteristics of mycobacterium and Nocardia
A
Have PG later
Outside wall is mycolic acid (waxy)
3
Q
What diseases can be diagnosed by acid fast stain
A
Tuberculosis and leprosy
4
Q
Who developed the acid fast stain
A
Robert Koch
5
Q
What color will the cell be with neg and pos results
A
Acid + = red
Acid - = blue
6
Q
Characteristics of acid fast stain
A
Uses a decolorizer called Acid Alchohol
Acid fast + will not decolorize “hold fast the stain”
Acid fast - lack mycolic acid (wax)
