AP Psych Test 3 Review

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

A brief electrical charge that travels down the axon of a neuron is called the

• synapse.

• agonist.

• action potential.

• myelin sheath.

• refractory period.

As you are reading this question, the cells in your eyes are firing in response to the light coming from this paper. Which type of neuron is carrying this message to the brain?

• interneuron

• sensory

• presynaptic

• motor

Opiate drugs occupy the same receptor sites as

• acetylcholine.

• serotonin.

• endorphins.

• epinephrine.

The tremors of Parkinson's disease result from the death of nerve cells that produce the neurotransmitter

• serotonin.

•  epinephrine.

• GABA.

• dopamine

For you to experience the pain of a sprained ankle, ________ must first relay messages from your ankle to your central nervous system.

• endocrines

• interneurons

• glands

• motor neurons

• sensory neurons

Motor neurons are an important part of the

• limbic system.

• reticular formation.

• peripheral nervous system.

• brainstem.

While you are hiking in the mountains, a rattlesnake slithers across your trail. Which of the following triggers the “fight-or-flight” response, increasing your heart rate and blood pressure, as you run away?

• somatic nervous system

• sympathetic nervous system

• limbic system

• motor cortex

 The somatic nervous system is a component of the ________ nervous system.

• peripheral

• autonomic

• central

• sympathetic

While relaxing in a lawn chair enjoying a cool drink, which of the following triggers the “rest-and-digest” response, as your heart rate slows and digestion begins?

•  sympathetic nervous system

• limbic system

• somatic nervous system

• parasympathetic NS