Bacteriology

Question 1

Obligate Aerobe

Answer 1

Requires O2 to survive

Question 2

Facultative anaerobe

Answer 2

Can survive w/ or w/o O2

Question 3

Obligate anaerobe

Answer 3

Cannot survive in presence of O2

Question 4

Pathogenicity

Answer 4

Ability of pathogen to produce an infectious disease

Question 5

Virulence

Answer 5

The degree of pathogenicity.

Question 6

Infective dose

Answer 6

Amount of pathogenic organism needed to cause infection

Question 7

Lethal dose

Answer 7

Amount of pathogenic organism need to cause death

Question 8

Gram (+)

Answer 8

Stains blue

Question 9

Gram (-)

Answer 9

Stains red/pink

Question 10

Endotoxin

Answer 10

Components (lipopolysaccharides) of gram negative outer membrane that break free when cell disintegrates. Toxic. Produce fever.

Question 11

Exotoxin

Answer 11

Proteins secreted by gram (+) and (-) bacteria during rapid cell growth. Highly toxic. Think tetanus toxin.

Question 12

Which WBC are associated with virus infections. Further, is it indicative of chronic or acute infections.

Answer 12

Lymphocytes

Question 13

WBC associated with bacterial infection and acute infections.

Answer 13

Neutrophils

Question 14

Rods (bacilli)

Answer 14

Rods

Question 15

Cocci

Answer 15

Balls