1. The enteric nervous system receives its inputs from
a) autonomic nervous system
b) sensory receptors in the wall of the GI tract
c) both a and b
d) neither a nor b
2. When blood oxygen-hemoglobin saturation percentage decreasesto 50% the individual
a) can only survive for a few hors
b) can survive for a few days
c) can survive for a few weeks
d) functions fairly normally
3. In acute mountain sickness, edema develops in the
a) brain
b) lungs
c) both a and b
d) neither a nor b