COMP Conepts Flashcards
1
Q
What happens in high altitude?
A
pO2 decreases
cerebral vessels dilate
increase ICP
Herniation can occur
2
Q
Factors that lead to increased flow
A
CNS: increased pCO2; decreased pO2 Lungs; increased pO2 Muscles: increased pCO2; decreased pH CV: adenosine Skin: increased temp; increased pCO2 GI: food, esp fats Renal: increased PGE2; dopamine; ANP
3
Q
Direct Coombs test
A
detects antibodies DIRECTLY on the surface of RBC
used to detect Warm (IgG) and
Cold (IgM) agglutinin dz
OR
used to screen babies for hemolytic dz of the newborn
4
Q
positive nitrogen balance
A
amino acid (AA) intake > excretion
examples:
growth
pregnancy
5
Q
Indirect Coombs test
A
detect antibodies IN the plasma
used to screen for antibodies in blood transfusion
used to screen mom in hemolytic dz of new born