1) the ________ principle states that the properties of the action potential are
independent of the relative strength of the depolarizing stimulus.
2) substances that can trigger an immune response are known as ________.
3) explain the polar character of an ammonia molecule (nh3). what is the cause of the
partial charges? what is the overall charge for nh3?
4) create a concept map explaining the basic structure and function of sensory systems,
starting with a receptor cell and ending with the primary sensory cortex. be sure to
include the general properties such as receptive fields, stimulus location, and so on.
consider each sensory system in turn and identify exceptions to your basic map,
indicating how they are different.
5) electrons travel around the center of the atom at high speed forming a(n) ________.
6) calculate the body mass index of a woman who is 5’5″ tall and weighs 180 lbs. now
calculate the bmi of a man with those dimensions. 1 kg = 2.2 lbs, 1 m = 39.24 in. is
either individual considered obese? explain. could bmi be misleading as a means of
indicating obesity? explain.
7) draw a monosynaptic reflex and a polysynaptic reflex. label each part of the reflex
pathway. briefly explain how the two reflexes differ.