pharmacology

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Mechanism of action of aminophylline consists in::

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שאלה #17281

		decreasing of intracellular сAMP
done		block of adenozinic receptors
		inhibition of hyaluronidase
		stimulates phosphodiesterase
		rising of mast cells degranulation

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With one of the following statements about ethanol is false?

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שאלה #17282

		causes withdrawn syndrome
		its volume of distribution is equivalent to that of total body water.
		the drug is distributed to most body tissues
		is rapidly and completely absorbed
done		doesn’t cross the biological barrier

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A drug useful in the treatment of asthma but lacking bronchodilator effect is:

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שאלה #17283

		Ephedrine
		Salbutamol
done		Nedocromil
		Isoprenaline
		Fenoterol

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Phenylbutazone belongs to following derivatives:

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שאלה #17284

		indoleacetic acid
		oxicam
done		pyrazolone
		salicylates
		anthranilic acid

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Which NSAIDs is a non-selective NSAIDs?

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שאלה #17285

		rofecoxib
done		piroxicam
		parecoxib
		meloxicam
		celecoxib

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Mechanism of action of anti inflammatory steroids consists of:

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שאלה #17286

		Producing of prostaglandins rises
done		Inhibition of Phospholipase A2
		Stimulates phosphodiesterase
		blocks beta- adrenergic receptors
		Stimulation of Phospholipase A2

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What drugs can cause rebound phenomenon at the suddenly stopping of a long treatment?

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שאלה #17287

		captopril
		furosemide
done		clonidine
done		propranolol
		prazosin

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Name mechanism concerning the nausea resulting from morphine administration:

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שאלה #17288

done		results from stimulation of the chemoreceptor trigger zone for emesis
done		is overcome by morphine antagonist
		results from stimulation of H1 histaminoreceptors from vestibular apparatus
		results from stimulation of cough center
		is due because of tachycardia and hypertention

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With regard to salicylate:

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שאלה #17289

done		it has powerful antipyretic properties
		it is rapidly exreted by the kidney if the urine is rendered acidic
done		it potentiates the activity of warfarin
		it causes hypeglycemia
done		the same group as aspirin

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Anticonvulsant drugs are:

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שאלה #17290

		selegiline
done		carbamazepine
		pimozide
done		phenytoin
done		valproic acid

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