Chapter 2 Pyschology

The ___________ is the specialized cell in the nervous system that receives and sends messages within the nervous system.

neuron

_________ neurons carry information from the senses to the central nervous system; __________ neurons carry the messages from the central nervous system to the muscles of the body.

sensory; motor

Low levels of which neurotransmitter is associated with depression?

serotonin

Which of the following would be active if you have just had an automobile accident?

sympathetic division

Neurotransmitters must pass from an axon terminal to the next dendrite by crossing a fluid-filled space called the

synaptic gap

Felicia is recovering from an injury to her occipital lobe. Which of her senses has the highest chance of being affected?

vision

Which is one of the first areas of the brain to be affected by alcohol?

Cerbellum

__________ send individual messages and _____________ send global messages.

Neurotransmitters, hormones

_________ is the process by which neurotransmitters are taken back into the synaptic vesicles.

Reuptake

Damage to this area causes problems with speech production?

Wernicke's area

The venom of a black widow spider acts like a(n) __________ by mimicking the effects of acetylcholine.

agonist

When a neuron does fire, it is ________________.

all or none

If you were to develop a rare condition in which you were not able to remember to be afraid of certain situations, animals, or events, which part of the brain would most likely be damaged?

amygdala

Which part of the neuron carries messages to other cells?

axon

The central nervous system

consists of brain and spinal cord

Too much of this neurotransmitter may be related to schizophrenia, whereas too little of this neurotransmitter may be related to Parkinson's disease.

dopamine

Which of the following is associated with pain relief?

endorphins

Which part of the brain is involved in the creation of memories and is often linked to Alzheimer's disease?

hippocampus

Chemicals that are manufactored by endocrine glands and circulate in the bloodstream to change or maintain bodily functions are called

hormones

The peripheral nervous system

includes all the nerves and neurons outside the brain and spinal cord