Which of the following is a noncatecholamine sympathomimetic: A. Adrenaline B. Ephedrine C. Dopamine D. Isoprenaline

Which of the following is a noncatecholamine
sympathomimetic:
A. Adrenaline
B. Ephedrine
C. Dopamine
D. Isoprenaline
by

1 Answer

Answer :

B. Ephedrine
by

Related questions

Which of the following is a noncatecholamine sympathomimetic: A. Adrenaline B. Ephedrine C. Dopamine D. Isoprenaline

Description : Which of the following is a noncatecholamine sympathomimetic: A. Adrenaline B. Ephedrine C. Dopamine D. Isoprenaline

Last Answer : B. Ephedrine

A sympathomimetic amine that acts almost exclusively by releasing noradrenaline from the nerve endings is (a) Ephedrine (b) Dopamine (c) Isoprenaline (d) Tyramine

Description : A sympathomimetic amine that acts almost exclusively by releasing noradrenaline from the nerve endings is (a) Ephedrine (b) Dopamine (c) Isoprenaline (d) Tyramine

Last Answer : Ans: D

A sympathomimetic amine that acts almost exclusively by releasing noradrenaline from the nerve endings is: A. Ephedrine B. Dopamine C. Isoprenaline D. Tyramine

Description : A sympathomimetic amine that acts almost exclusively by releasing noradrenaline from the nerve endings is: A. Ephedrine B. Dopamine C. Isoprenaline D. Tyramine

Last Answer : D. Tyramine

A sympathomimetic amine that acts almost exclusively by releasing noradrenaline from the nerve endings is: A. Ephedrine B. Dopamine C. Isoprenaline D. Tyramine

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Last Answer : D. Tyramine

The following sympathomimetic amine has agonistic action on α1 + α2 + β1 + β3 adrenoceptors, but not on β2 receptors: A. Adrenaline B. Noradrenaline C. Isoprenaline D. Phenylephrine

Description : The following sympathomimetic amine has agonistic action on α1 + α2 + β1 + β3 adrenoceptors, but not on β2 receptors: A. Adrenaline B. Noradrenaline C. Isoprenaline D. Phenylephrine

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The following sympathomimetic amine has agonistic action on α 1 + α 2 + β 1 + β 3 adrenoceptors, but not on β 2 receptors: A. Adrenaline B. Noradrenaline C. Isoprenaline D. Phenylephrine

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Vasomotor reversal phenomenon after administration of an α adrenergic blocker is seen with: A. Adrenaline B. Noradrenaline C. Isoprenaline D. All of the above drugs

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Last Answer : A. Adrenaline

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A 7-years-old boy has a significant bedwetting problem. A long-acting indirect sympathomimetic agent sometimes used by the oral route for this and other indications is (a) Dobutamine (b) Ephedrine (c) Epinephrine (d) Isoproterenol (e) Phenylephrine

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Ephedrine is similar to adrenaline in the following feature (a) Potency (b) Inability to penetrate blood-brain barrier (c) Duration of action (d) Producing both a and ß adrenergic effects

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Last Answer : Ans: D

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While undergoing a surgical procedure a patient develops hypotension. Which drug can be injected intramuscularly to raise his BP: A. Noradrenaline B. Isoprenaline C. Mephentermine D. Isoxsuprine

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While undergoing a surgical procedure a patient develops hypotension. Which drug can be injected intramuscularly to raise his BP: A. Noradrenaline B. Isoprenaline C. Mephentermine D. Isoxsuprine

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In an anaesthetized dog, repeated intravenous injection of ephedrine shows the phenomenon of: A. Anaphylaxis B. Tachyphylaxis C. Idiosyncrasy D. Drug resistance

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The following are true about the neurotransmitters: a. acetylcholine is inactivated mainly by presynaptic reuptake b. tyrosine is essential for the formation of dopamine c. noradrenaline is inactivated mainly by hydrolysis d. adrenaline is formed from methylation of the noradrenaline

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Compared to other antipsychotic drugs, the distinctive feature of penfluridol is: A. Very long duration of action B. Weak dopamine D2 blocking activity C. Lack of extrapyramidal side effects D. Additional 5-HT2 receptor blocking activity

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The following is true about entacapone except: A. It acts by inhibiting degradation of dopamine in the brain B. If prolongs the therapeutic effect of levodopacarbidopa in parkinsonism C. It can accentuate levodopa induced dyskinesias D. It can cause diarrhoea as a side effec

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Though bromocriptine acts directly on dopamine receptors, it is used in parkinsonism only as a supplement to levodopa because: A. It has low efficacy B. It produces marked dyskinesias C. Used alone, its effective doses produce intolerable side effects D. Its therapeutic effect takes long time to develop

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The most important receptor involved in cytotoxic drug induced vomiting is: A. Histamine H1 receptor B. Serotonin 5-HT3 receptor C. Dopamine D2 receptor D. Opioid μ receptor

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Last Answer : A. Histamine

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Last Answer : D. All of the above

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Last Answer : B. Poor analgesia

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Injection of adrenaline along with a local anaesthetic serves the following purpose: A. Lowers the concentration of the local anaesthetic to produce nerve block B. Prolongs the duration of local anaesthesia C. Increases the anaesthetised area D. Reduces the local toxicity of the local anaesthetic

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