Midterm Review 3A brain Quest

30 terms by ZindziBurchall 

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Dendrites are branching extensions of

Neurons

When the release of ACh is blocked the result it

Muscular Paralysis

Hormones are the chemical messengers of the

endocrine system

Neurotransmitters are chemical messengers that travel across the

synaptic gap

The somatic nervous system is a component of the

peripheral nervous system

Motor neurons are important parts of the

peripheral nervous system

Sheelah was able to jerk her hand out of scalding water becfore sensing any pain because this withdrawal reflex

was activated by inter neurons in her spinal cord

Messages are transmitted from your spinql cord to your digestive system's stomach muscles by

the sympathetic nervous system

The brains of patients with Parkinson disease have little dopamine. Drugs used to treat such patients bind to dopamine receptors, thereby STIMULATING those receptors. These drugs would be considered

Agonists

The function of dendrites is to

receive incoming signals from other neurons

Transferring messages from a motor neuron to a leg muscle requires the neurotransmitter known as

acetylcholine

Opiate drugs that have molecular structures so similar to endorphins that they MIMIC endorphins euphoric effects in the brain.

Agonist

Schizophrenia is most closely linked with excess receptor activity for what neurotransmitter?

Dopamine

Blocks the effects of ACh in synapses, what kind of molecules does this?

antagonist

Migraine headaches are most closely linked with

Oversupply of glutamate

Refractory period

Refers to a time interval which positively charged ions are pumped back outside a neural membrane

Molecules similar enough to a neurotransmitter to bind to its receptor sites on a dendrite and mimic that neurotransmitter's effects effects is

agonist

Alzheimers disease is most closly linked to the deterioration of neurons that produce

acetylcholine

Lack of a growth hormone can produce short stature in what gland?

Pituitary gland

An under supply of serotonin is most closely linked to

Depression

Molecules that are smililar enough to a neurotransmitter to bind to its receptor sits on a dendrite and BLOCK that neurotransmitter's effects

Antagonists

Why do psychical symptoms of fear linger even after we cognitively realize the danger has passed

The endocrine messages tend to outlast the effects of neural messages

An all or non response pattern is characteristic of

the initiation of neural impulses

the function of dendrites is to

receive incoming signals from other neurons

an Axon is

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

In transmitting sensory info to the brain, an electrical signal travels from

dendrites to the cell body to the axon

The depolarization of a neural membrane can create an

action potential

A synapse is

a junction between a sending neuron and a receiving neuron

The prevention of sending neurons from taking in excess neurotransmitters

Drugs often are prescribed for

Pyschactive drugs interefere with normal neural transmissions

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