Revision from week 12

Question 1

what effect does antivenom have on pre and post synaptic neurons?

Answer 1

pre: delayed response to anti venom
post: respond quicker to antivenom

Question 2

outline the steps when applying a pressure bandage?

Answer 2

• marke bit site before applying bandage
• apply sterile dressing and mark site on bandage
• do not wash or wipe bite site
• apply pressure bandages as firmly as you would a sprained ankle
• bandage distal to proximal
• apply as far up limb as possible to compress lymphatic vessels
• apply splint to restrict movement
• keep limb and person as still as possible

Question 3

why dont you pressure bandage a sea urchin sting?

Answer 3

can push spines into tissue

Question 4

what are the steps involved in Venom Induced Consumptive Coagulopathy?

Answer 4

1. Coagulation factors are activated by specific toxins
2. Coagulation factors are exhausted
3. Reduced ability to form clots
4. risk of haemorrhage