Psychology and mental health questions and answers

Psychology Unit 3 Test Questions and Answers
100% Pass

1 Schizophrenia is most closely linked with excess receptor activity for the

neurotransmitter

A) dopamine. B) epinephrine. C) acetylcholine. D) serotonin.

2. The nineteenth-century theory that bumps on the skull reveal a person’s abilities

and traits is called

 evolutionary psychology

 behavior genetics

 molecular biology

 biological psychology

 phrenology

3. Dendrites are branching extensions of

 neurotransmitters

 endorphins

 neurons

, myelin

 endocrine glands

4. The function of dendrites is to

 receive incoming signals from other neurons

 release neurotransmitters into the spatial junctions between neurons

 coordinate the activation of the parasympathetic and sympathetic nervous systems

 control pain through the release of opiate-like chemicals into the brain

 transmit signals to other neurons

5. An axon is

 a cell that serves as the basic building block of the nervous system

 a layer of fatty tissue that encases the fibers of many neurons

 an antagonist that blocks neurotransmitter receptor sites

 the extension of a neuron that carries messages away from the cell body

 a junction between a sending and receiving neuron

6. The longest part of a neuron is likely to be the

 dendrite

,  axon

 cell body

 synapse

 myelin sheath

7. In transmitting sensory information to the brain, an electrical signal travels from

the _______ of a single neuron.

 cell body to the axon to the dendrites

 dendrites to the axon to the cell body

 axon to the cell body to the dendrites

 dendrites to the cell body to the axon

 axon to the dendrites to the cell body

8. The speed at which a neural impulse travels is increased when the axon is encased

by a

 sympathetic nerve

 myelin sheath

 endocrine gland