3056233
Description
Quiz by xantheacheah, updated more than 1 year ago
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Created by xantheacheah
almost 9 years ago
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Question 1
Question
What is acetylcholine?
Answer
-
Neuro transmittter that controls functions such as memory, sleep, heart rate and muscular activity
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Neuro chemical that inhibits wakefulness serving the purpose of slowing down cellular activity and diminishing arousal. These levels decrease during sleep.
Question 2
Question
Adenosine is a neuro chemical that inhibits wakefulness, serving the purpose of slowing down cellular activity and diminishing arousal. Adenosine levels decrease during sleep.
Answer
- True
- False
Question 3
Question
What is an action potential?
Answer
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It is an electrical charge that travels along the axon to the neurons terminal. It then triggers the release of neurotransmitters.
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An 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.
Question 4
Question
What is the adrenal cortex?
Answer
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An endocrine organ that secretes steroid hormones for metabolic functions such as in response to stress
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A function in where the body releases hormones into the blood stream in response to arousal and stress
Question 5
Question
What 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?
Answer
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Adrenal Cortex
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Adrenal Medulla
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Adenosine
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Agonist
Question 6
Question
What is an agonist? *2 answers*
Answer
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A type of drug or neurotransmitter or other molecule that stimulates receptors to produce a desired action
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A muscle that moves a joint in an intended direction
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A type of drug or neurotransmitter or other molecule that blocks receptors
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A muscle that moves a joint in opposition to an intended direction
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