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6.3 Defence Against Infectious Disease
Descripción
DP (06 Human Physiology) IB Biology Mapa Mental sobre 6.3 Defence Against Infectious Disease, creado por Steve Harton el 03/06/2014.
Sin etiquetas
disease
immune
ib biology
06 human physiology
dp
Mapa Mental por
Steve Harton
, actualizado hace más de 1 año
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Creado por
Steve Harton
hace más de 10 años
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Resumen del Recurso
6.3 Defence Against Infectious Disease
NATURE OF SCIENCE
Risks associated with scientific research
Florey and Chain's tests on the safety of penicillin would not be compliant with current protocol on testing
Test penicillin on bacterial infections on mice
BLOOD CLOTTING
Cuts in the skin are sealed by blood clotting
Clotting factors are released from platelets
The cascade results in the rapid conversion of fibrinogen to fibrin by thrombin
Causes and consequences of blood clot formation in coronary arteries
SPECIFIC VS NON-SPECIFIC IMMUNITY
Non-specific
Skin and mucous membranes form a primary defence
Phagocytosis
Specific
Lymphocytes
T cells
B Cells
Plasma B cells
Antibodies
Memory B cells
ANTIBIOTICS
Block processes that occur in prokaryotic cells but not in eukaryotic cells
Some strains of bacteria have evolved with genes that confer resistance to antibiotics and some strains of bacteria have multiple resistance
Aim 9
Science has limited means in the fight against pathogens
Viruses lack a metabolism and cannot therefore be treated with antibiotics
HIV
Effects on the immune system
Reduction in the number of active lymphocytes
Loos of the ability to produce antibodies
AIDS
Methods of transmission
INTERNATIONAL-MINDEDNESS
The spread and containment of diseases such as bird flu
Vaccination
Aim 8
The social as well as the economic benefits of the control of bacterial diseases around the world
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