מבחן 11

Discuss, Learn and be Happy דיון בשאלות

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How is narcolepsy type 1 characterized?

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שאלה #118228

done		Presence of cataplexy
		Absence of rapid eye movement (REM) sleep
		Reduced levels of orexin/hypocretin
		Increased levels of adenosine

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Which sleep disorder involves acting out dreams due to the absence of motor inhibition during REM sleep?

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שאלה #118231

		Sleep apnea
done		REM sleep behavior disorder
		Insomnia
		Restless legs syndrome

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Which brain region inhibits the onset of REM sleep during the sleep-wake cycle?

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שאלה #118232

done		Ventrolateral periaqueductal grey (vlPAG)
		Ventrolateral preoptic area (vlPOA)
		Sublaterodorsal nucleus (SLD)
		Suprachiasmatic nucleus (SCN)

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Which neurotransmitter is primarily responsible for stimulating eating behavior?

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שאלה #118233

		Acetylcholine
		Dopamine
done		Ghrelin
		Leptin

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What is the main function of ghrelin in relation to eating behavior?

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שאלה #118235

		Decreases appetite
		Inhibits the release of insulin
		Activates dopamine neurons
done		Increases food intake

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Which region of the brain is associated with the perception of reward and pleasure during eating?

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שאלה #118237

		Medulla
		Hypothalamus
done		Nucleus accumbens
		Frontal cortex

נערך לפני 10 חודשים

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How does the hormone leptin affect eating behavior?

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שאלה #118238

		Increases appetite
		Inhibits the release of ghrelin
		Activates dopamine neurons
done		Reduces food intake

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Which substance has been found to increase the sensitivity to sweet taste?

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שאלה #118239

		Acetylcholine
		Dopamine
		Ghrelin
done		Endocannabinoids

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Which theory of drug addiction emphasizes enhanced positive reinforcement?

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שאלה #118241

		Schultz’s Reward Prediction Error Theory
done		Wise’s theory
		Koob’s theory
		Bromberg-Martin Motivational Salience Theory

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What is the role of the habenula in the reward circuit?

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שאלה #118245

		It increases firing rate to rewarding stimuli.
sentiment_very_satisfied		It decreases firing rate to rewarding stimuli.
done		It increases firing rate to aversive stimuli.
		It decreases firing rate to aversive stimuli.

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