L1 Introduction to Infection and Immunity Flashcards
1
Q
World wide infection death
A
1/3
2
Q
Healthcare associated infection [6]
A
Nosocomial (hospital acquired) pneumonia Staph Aureus Clostridium Difficile Enterococcus Wound infection Implant infection
3
Q
1:4 Deaths in the UK
A
18-19th century
Mycobacterium TB
4
Q
Bacteria
A
Binary Fission Maybe mobile - flagella Mycoplasma and chlamydiae are wall deficient Spirochetes - treponema pallidum Rickettsia and actinomyces
5
Q
Candida species
A
Albicans -> yeast
unicellular & reproduce by budding
6
Q
Aspergillus species
A
Fumigatus -> mould, multicellular
Reproduce by spores
7
Q
Protozoa
A
Entamoeba histolytica - amoebic dystentry
Plasmodium Falciparum - malaria
8
Q
TB decline due to
A
natural selection
resistance polymorphisms
9
Q
Tolerance
A
A state of immunological non-reactivity to antigen
Our proteins, harmless environmental antigens and commensal
10
Q
Taxonomy
A
Genus first
11
Q
Pneumococcus
A
Streptococcus pneumoniae
12
Q
Meningococcus
A
Neisseria Meningitidis
13
Q
E coli O157:H7
A
Haemolytic uraemic syndrome
14
Q
S pyogenes M3T3
A
Toxic shock syndrome
15
Q
Prokaryotes
A
Bacteria, archaea (blue-green algae) 70s ribosomes (50s + 30s subunit) No nucleus Non-genetic DNA Peptidoglycan cell wall Haploid
