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Brain Facts glossary
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Questions in this quiz (6)
1What is acetylcholine?
- ANeuro transmittter that controls functions such as memory, sleep, heart rate and muscular activity
- BNeuro chemical that inhibits wakefulness serving the purpose of slowing down cellular activity and diminishing arousal. These levels decrease during sleep.
2Adenosine is a neuro chemical that inhibits wakefulness, serving the purpose of slowing down cellular activity and diminishing arousal. Adenosine levels decrease during sleep.
- ATrue
- BFalse
3What is an action potential?
- AIt is an electrical charge that travels along the axon to the neurons terminal. It then triggers the release of neurotransmitters.
- BAn action potential is a surge of energy released from the neurons which sends chemicals our its dendrites to attach to other axons and cell bodies.
4What is the adrenal cortex?
- AAn endocrine organ that secretes steroid hormones for metabolic functions such as in response to stress
- BA function in where the body releases hormones into the blood stream in response to arousal and stress
5What is the endocrine organ that secretes epinephrine and nor-epinephrine in concert with the activation of the sympathetic nervous system for example in response to stress?
- AAdrenal Cortex
- BAdrenal Medulla
- CAdenosine
- DAgonist
6What is an agonist? *2 answers*
- AA type of drug or neurotransmitter or other molecule that stimulates receptors to produce a desired action
- BA muscle that moves a joint in an intended direction
- CA type of drug or neurotransmitter or other molecule that blocks receptors
- DA muscle that moves a joint in opposition to an intended direction
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- Quiz on Brain Facts glossary, created by xantheacheah on 12/07/2015.
- Author
- xantheacheah
- Language
- English
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