USABO Questions and Verified Answers | Passed | A+

axon hillock : the cone-shaped area on the cell body from which the axon originates -trigger zone hyperopia : A condition in which visual images come to a focus behind the retina of the eye and vision is better for distant than for near objects -- called also farsightedness. axon hillock has high concentration of what voltage gated pumps : sodium and potassium how to calculate membrane potential : the outside of the neuron, the other side of the membrane is always zero ions inside neuron 2 : K+, Na+ and proteins Protein charge : The net charge of a protein decreases linearly with molecular weight, with small proteins being mostly positively charged and large proteins negatively charged. Astrocytes : Star shapes neuron cells Functions 1. Create blood barrier function and prevent diffusion and passage of pathogens in vessels by using podocytes (foot like extensions) 2. Prevents hemmorage 3. Creates scarring in response to damage in between neurons?