boy in the plastic bubble
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Boy in the plastic bubble. The process of blood clotting. Blood vessels damaged. Presence of blood platelets,. Calcium ions, vitamin K, several blood clotting factors. Soluble fibrinogen insoluble fibrinogen form a meshwork,. and seal off the. - PowerPoint PPT PresentationTRANSCRIPT
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Boy in the plastic bubble
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The process of blood clotting
Blood vessels damaged Presence of blood platelets,
Calcium ions, vitamin K, several blood clotting factors
Soluble fibrinogen insoluble fibrinogen form a meshwork,catching blood cells and seal off the
wound
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Physical barrier e.g. skin
Chemical barrier e.g. gastric juice
White blood cells
pathogens
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Latent period
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Antigen presenting cells
T -helper cell
T-killer cell
B cell
Plasma cell
T -helper cell
lymphokines
T-suppressor cell
T-memory cell
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Rh-ve mother
Her 1st Rh +ve child
Anti Rh antibody produced in mother
Contact of blood at birth
Her subsequent child will be acted on by the antibody
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1. If the mother is Rh-ve and her first child is
Rh+ve.
Would the mother have problem ?
2. If the mother is Rh+ve and her first child is
Rh-ve.
I) Would the mother have problem ?
II) Would her subsequent children have problem ?
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Compare this with the blue line depicting the mortality from infections since 1900. In the first 4-5 decades of the use of antimicrobial agents, there was a dramatic fall in the mortality from infections but since the mid-80's deaths due to resistant infections is slowly increasing.
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AZT
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(A)
(B)
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A sulphonamide
PABA - a substrate required for the formation of bacterial cell wall
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( PABA )
( protonsil )
The pathogenic bacteria unable to multiply