exam questions Flashcards
1
Q
instead of saying “amount” of something what should you say?
A
mass or volume
2
Q
why would a dosage be calculated per unit mass?
A
takes into account different masses which allows comparison
3
Q
explain how antibodies were produced when the mice were injected with sheep red blood cells (3)
A
1) sheep red blood cells act as antigen presenting cells/ have antigens on their surface
2) antigens are proteins which are foreign to the mice/ non self antigens !
3) stimulate B cells to produce antibodies
4
Q
a newspaper suggests the data shows taking a drug will give people increased immunity. Why is this not true? (3)
A
1) response only observed in mice
2) not all disease is caused by pathogens/ cured by antibodies
3) specific disease organisms not investigated
