3056233
Descripción
Test por xantheacheah, actualizado hace más de 1 año
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Creado por xantheacheah
hace más de 9 años
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Pregunta 1
Pregunta
What is acetylcholine?
Respuesta
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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.
Pregunta 2
Pregunta
Adenosine is a neuro chemical that inhibits wakefulness, serving the purpose of slowing down cellular activity and diminishing arousal. Adenosine levels decrease during sleep.
Respuesta
- True
- False
Pregunta 3
Pregunta
What is an action potential?
Respuesta
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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.
Pregunta 4
Pregunta
What is the adrenal cortex?
Respuesta
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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
Pregunta 5
Pregunta
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?
Respuesta
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Adrenal Cortex
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Adrenal Medulla
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Adenosine
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Agonist
Pregunta 6
Pregunta
What is an agonist? *2 answers*
Respuesta
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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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