Question

Haemophilus influenzae; must be grown on chocolate agar, which is blood agar treated with heat to release growth factors in the medium.; is described as ________.

a) Fastidious
b) Halophilic
c) Mesophilic
d) Psychrophilic

Answer 1

Haemophilus influenzae is described as fastidious because it requires specific growth factors for growth, such as hemin and NAD.

Step-by-step explanation:

Haemophilus influenzae is described as a) Fastidious. It requires specific growth factors, such as hemin and nicotinamide-adenine-dinucleotide (NAD), for growth. It can only grow on media with available factor X (hemin) and factor V (NAD), like chocolate agar.