FoM2- microbiology

Question 1

Gram-negative organisms

Answer 1

have inner and outer membranes with a thin layer of peptidoglycan between, which cannot take up the gram stain

Question 2

Gram positive organisms

Answer 2

lack the outer membrane but have a thick peptidoglycan cell wall which turns purple with a gram stain

Question 3

streptococcus pneumoniae

Answer 3

causes pneumonia

Question 4

streptococcus pyrogens

Answer 4

causes strep throat

Question 5

staphylococcus aureus

Answer 5

can cause sinus infections and food poisoning

Question 6

cocci shape

Answer 6

spherical

Question 7

bacilli shape

Answer 7

rod shaped

Question 8

streptococcus pneumoniae serotypes

Answer 8

> 90

Question 9

MZ macrophages located

Answer 9

spleen

Question 10

MZ macrophages

Answer 10

filter blood, recognising and trapping opsonised bacterial cells