Question

Section 1 Answer the multiple-choice questions 1-46 on the scantron. 1. Rapid impulse conduction from "node" to "node" (node of Ranvier) is called: A) spatial propagation. B) saltatory propagation. C) divergent propagation. D) synaptic transmission. E) continuous propagation. 2. Nerve cells control skeletal muscles by using A) the cranial nerves only B) plasma cells C) the spinal nerves only D) electrical impulses E) none of the above 3. The term "voltage regulated" channels means that the membrane ion channels open and close with A) changes in the concentration of Ca. B) changes in the function of the Na/K pumps. C) application of a mechanical stimulation. D) changes in the membrane potential. E) changes in the concentration of a signaling molecule. 4. The velocity (speed) of an action potential along an axon will be greatest in which type of axon? A) myelinated, thin B) myelinated, thick C) unmyelinated, thin D) unmyelinated, thick E) unmyelinated, intermediate size 5. If a neurotransmitter binds to a receptor on the target cell and produces depolarizations, the neurotransmitter A) was probably stimulating the flow of K ions out of the cell. B) produced an inhibitory postsynaptic potential. C) was probably stimulating the flow of Na ions into the cell. D) was probably stimulating the flow of Cl' ions into the cell. E) none of the above

Answer 1

1)Saltatory propagation

2)Electrical impulses

3)Changes in membrane potential

4)Myelinated,thick

5)was probably stimulating the flow of Na+ ions into the cell