Asu Bio 181 Exam 3 (13-16). Questions And Answers, Rated A+. Verified.

Vitamin D is synthesizes from cholesterol, true or false {Ans: true}The receptors in post-synaptic cells are the basis on which the synapse can be defined as inhibitory or excitatory, true or false {Ans: false}The lungs have increases surface area to increase the movement of oxygen into the circulatory system, true or false {Ans: true}The left ventricle of the heart contains more muscle, true or false {Ans: true}Draw an action potential in the axon of a neuron and indicate which ions flow into the neuron and out of the neuron as the action potential passes at the point where the electrodes are in the cell, Be sure to assign on the Y-axis the mV of each of these areas. This should be as described in my lectures. {Ans: }List 4 types of glial cells and list a phrase to describe their function. {Ans: Schwann Cells - wrap around axons of neurons in PNS Oligodendrocytes: wrap around axons of neurons in CNS Astrocytes: contribute to blood-brain barrier Microglia: part of cellular immune system that protects brain}