pharmacology

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The drug that increase amount of dopamine in Parkinson's disease:

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שאלה #17210

		selegeline
		bromocriptine
		trihexyphenidyl
done		levodopa
		amantadine

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Name the nootropic agent:

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שאלה #17211

done		Piracetam
		Caffeine
		Sydnocarb
		Fluoxetine
		Eleuterococci extract

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Which of the β-blockers is used for decreasing aqueous humor secretions from the ciliary body?

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שאלה #17212

		Nadolol
		Propranolol
done		Timolol
		Metoprolol
		Carvedilol

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Name correct drugs: mydriatics/cycloplegics, ____ last 7-10 days (longest) and ____ last 6 hours (shor):

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שאלה #17213

		Tropicamide; Atropine
		Atropine; Scopolamine
done		Atropine; Tropicamide
		Scopolamine; Homatropine
		Homatropine; Tropicamide

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Which of the following is a common effect of muscarinic stimulant drugs?

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שאלה #17214

		Hypertension
		Relaxation of ciliary muscle
		Decreased secretion by salivary glands
done		Bradycardia
		Decreased peristalsis

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The mechanism of action of indirect-acting cholinomimetic agents is:

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שאלה #17215

		Stimulation of the action of acetylcholinesterase
		Releasing acetylcholine from storage sites
		Decrease releasing of acetylcholine from storage sites 224
		Binding to and activation of muscarinic or nicotinic receptors
done		Inhibition of the hydrolysis of endogenous acetylcholine

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The shortest duration hypotensive activity is characteristic for:

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שאלה #17216

		Guanethidine
		Tropaphen
		Propranolol
		Reserpine
done		Treperium iodide

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מיין לפי דירוג חדש ישן

Depolarizing agents include all of the following properties EXCEPT:

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שאלה #17217

		Cause desensitization, noncompetive block manifested by flaccid paralysis
		Cholinesterase inhibitors do not have the ability to reverse the blockade
		React with the nicotinic receptor to open the channel and cause depolarisation of the end plate
		Can caused transient muscle fasciculations
done		Interact with nicotinic receptor to compete with acetylcholine without receptor activation

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Sympathetic stimulation is mediated by:

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שאלה #17218

		Release of norepinephrine from nerve terminals
done		All of the above
		Activation of adrenoreceptors on postsynaptic sites
		Release of epinephrine from the adrenal medulla
		N-cholinoreceptors stimulation in sympathetic ganglia

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The effects of sympathomimetics on blood pressure are associated with their effects on:

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שאלה #17219

		The heart
		The venous return
done		All of the above
		The peripheral resistance
		Juxtaglomerular apparatus

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