Exam 14: Nervous System

Place the events in the transmission of an action potential in the correct order.1.An action potential begins in the receiving neuron.2.Neurotransmitters are released into the synaptic cleft.3.An action potential arrives at an axon terminal.4.Calcium ions enter the axon terminal.5.Sodium ions diffuse into the receiving neuron.6.Synaptic vesicles fuse with the plasma membrane.7.Neurotransmitter molecules bind to the membrane of the receiving neuron.

What is the summing up of the excitatory and inhibitory signals by a neuron called?

Which of the following is a neuromodulator?

Which of the following is not a lobe of the cerebral hemisphere?

The brain stem contains the midbrain,the pons,and the medulla oblongata.

List the two primary structures of the limbic system and indicate their functions.

The entire action potential (depolarization and repolarization)occurs in a matter of

The white matter of the spinal cord surrounds the gray matter.

The structures of the limbic system are linked together because of their position within the cerebrum even though they have a variety of functions.

The somatic division of the PNS controls all of the following except the

The thalamus is on the receiving end for all sensory input except the

Where do most of the nerve fibers of the sympathetic division of the autonomic motor pathways arise from?

Which of the following is mismatched?

The cells of the nervous tissue are all neurons,cells that transmit nerve impulses.

Which is the largest part of the brain?

The postganglionic fiber in the parasympathetic division is long because the ganglia lie near or within the organ.

Which of the following statements concerning the primary motor area is not true?

Why is the outside of a neuron positively charged?

The limbic system blends ____________ and __________ into a united whole.

What type of memory does language depend upon?