Exam 2: The Biological Perspective

When a neuron fires,it fires in a(n)________ fashion,as there is no such thing as "partial" firing.

The subdivision of the peripheral nervous system that is made up of all nerves carrying messages from the senses to the central nervous system and all nerves carrying messages from the central nervous system to skeletal muscles is called the _________.

The somatic nervous system is made up of nerves carrying messages from the central nervous system to the muscles of the body.

A chemical found in the synaptic vesicles which,when released,has an effect on the next cell is called a ________.

Which of the following is a long bundle of neurons that functions as a carrier of messages to and from the brain to the body and is responsible for certain reflexes?

Which of the following regions contains the primary visual cortex?

GABA functions as _________.

A brain-imaging method called ______________ takes advantage of the magnetic properties of different atoms to take sharp,three-dimensional images of the brain.

Which of the following are tiny sacs in an axon terminal that release chemicals into the synapse?

Neurons that are at rest are still electrically charged.

If your ________ was damaged,you might walk oddly and have trouble standing normally.

Myelin not only insulates the neuron,it also slows down the neural message helping with transmission of messages traveling down the axon.

Ali is in the hospital about to undergo a brain-imaging process that involves taking many X-rays from different angles aided by the use of a computer.What type of imaging technique is being used?

The peripheral nervous system consists of ________.

The branch of life sciences which involves the structure and function of the brain and nervous system,while also focusing on the relationship between learning and behavior,is called ________.

Glial cells provide structure for neurons.

The central nervous system consists of ______.

A brain-imaging method using radio waves and magnetic fields of the body to produce detailed images of the brain is called ________.

As Molly is walking across campus,a car swerves toward her.Her heart races and sweat breaks out as she jumps out of harm's way.This mobilization of energy is due to the action of Molly's ________.

One purpose of the ________ is to speed up the neural message traveling down the axon.