When performing disk diffusion testing with Haemophilus influenzae and H. parainfluenzae, what type of medium is used?
A) Mueller-Hinton with 5% sheep blood
B) Mueller-Hinton with hematin and nicotinamide adenine dinucleotide (NAD)
C) Mueller-Hinton with 5% lysed horse blood
D) Mueller-Hinton

Question

Quizplus · Accepted Answer

Haemophilus species require hematin and NAD for growth, so Mueller-Hinton agar supplemented with these factors is used for disk diffusion testing.

When Performing Disk Diffusion Testing with Haemophilus Influenzae and H