Which of the following mydriatics has the fastest and briefest action: A. Atropine B. Homatropine C. Tropicamide D. Cyclopentolate

Which of the following mydriatics has the fastest and
briefest action:
A. Atropine
B. Homatropine
C. Tropicamide
D. Cyclopentolate
by

1 Answer

Answer :

C. Tropicamide
by

Related questions

Which of the following mydriatics has the fastest and briefest action ? (a) Atropine (b) Homatropine (c) Tropicamide (d) Cyclopentolate

Description : Which of the following mydriatics has the fastest and briefest action ? (a) Atropine (b) Homatropine (c) Tropicamide (d) Cyclopentolate

Last Answer : Ans: C

Which of the following mydriatics has the fastest and briefest action: A. Atropine B. Homatropine C. Tropicamide D. Cyclopentolate

Description : Which of the following mydriatics has the fastest and briefest action: A. Atropine B. Homatropine C. Tropicamide D. Cyclopentolate

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The most suitable mydriatic for a patient of corneal ulcer is: A. Atropine sulfate B. Homatropine C. Cyclopentolate D. Tropicamide

Description : The most suitable mydriatic for a patient of corneal ulcer is: A. Atropine sulfate B. Homatropine C. Cyclopentolate D. Tropicamide

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The following mydriatic does not produce cycloplegia: A. Phenylephrine B. Tropicamide C. Cyclopentolate D. Homatropine

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Last Answer : A. Phenylephrine

The mydriatic incapable of producing cycloplegia sufficient for refraction testing in children is: A. Atropine B. Hyoscine C. Homatropine D. Cyclopentolate

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The most suitable mydratic for a patient of corneal ulcer is (a) Atropine sulfate (b) Homatropine (c) Cyclopentolate (d) Tropicamide

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Last Answer : Ans: A

The most suitable mydriatic for a patient of corneal ulcer is: A. Atropine sulfate B. Homatropine C. Cyclopentolate D. Tropicamide

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The following mydriatic does not produce cycloplegia: A. Phenylephrine B. Tropicamide C. Cyclopentolate D. Homatropine

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Last Answer : A. Phenylephrine

The mydriatic incapable of producing cycloplegia sufficient for refraction testing in children is: A. Atropine B. Hyoscine C. Homatropine D. Cyclopentolate

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Choose the correct statement about drotaverine: A. It is a smooth muscle antispasmodic acting by non-anticholinergic mechanisms B. It is a papaverine congener used in peripheral vascular diseases C. It is a synthetic atropine substitute used to control diarrhoea D. It is a M1/M3 selective antagonist used for spastic constipation

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Last Answer : A. Atropine sulfate

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When pupillary dilation-but not cycloplegia-is desired, a good choice is (a) Homatropine (b) Isoproterenol (c) Phenylephrine (d) Pilocarpine (e) Tropicamide

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Last Answer : Ans: C

Esmolol has the following features except: A. Rapidly developing, shortlasting β adrenergic blockade B. Cardioselectivity of action C. Intrinsic sympathomimetic activity D. Suitability for intraoperative use

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Last Answer : D. Producing both α and β adrenergic effects

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Last Answer : B. Dilatation of pupil

The following action of adrenaline is mediated by both α and β receptors producing the same directional effect: A. Cardiac stimulation B. Intestinal relaxation C. Dilatation of pupil D. Bronchodilatation

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Last Answer : B. Intestinal relaxation

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

Description : 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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Neostigmine is beneficial in cobra envenomation because: A. It binds to and inactivates cobra toxin B. It reverses coma due to cobra toxin C. It counteracts the cardio-depressant action of cobra toxin D. It antagonizes the paralysing action of cobra toxin

Description : Neostigmine is beneficial in cobra envenomation because: A. It binds to and inactivates cobra toxin B. It reverses coma due to cobra toxin C. It counteracts the cardio-depressant action of cobra toxin D. It antagonizes the paralysing action of cobra toxin

Last Answer : D. It antagonizes the paralysing action of cobra toxin

The cotransmitter may serve the following function/ functions: A. Regulate the release of the primary transmitter from the nerve ending B. Alter postjunctional action of the primary transmitter C. Itself act as an alternative transmitter D. All of the above

Description : The cotransmitter may serve the following function/ functions: A. Regulate the release of the primary transmitter from the nerve ending B. Alter postjunctional action of the primary transmitter C. Itself act as an alternative transmitter D. All of the above

Last Answer : D. All of the above

Tetrodotoxin blocks nerve impulse/junctional transmission by: A. Anticholinergic action B. Depleting acetylcholine C. Blocking Na+ channels D. Blocking Ca2+ channels

Description : Tetrodotoxin blocks nerve impulse/junctional transmission by: A. Anticholinergic action B. Depleting acetylcholine C. Blocking Na+ channels D. Blocking Ca2+ channels

Last Answer : C. Blocking Na+ channels

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Description : Select the β-adrenergic blocker that has additional α1 blocking, vasodilator and antioxidant properties: A. Carvedilol B. Celiprolol C. Acebutolol D. Metoprolol

Last Answer : C. Acebutolol

Select the β-adrenergic blocker that has additional α1 blocking, vasodilator and antioxidant properties: A. Carvedilol B. Celiprolol C. Acebutolol D. Metoprolol

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Last Answer : A. Carvedilol

In a patient of myocardial infarction, β adrenergic blockers are used with the following aim/aims: A. To reduce the incidence of reinfarction B. To prevent cardiac arrhythmias C. To limit size of the infarct D. All of the above

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Last Answer : D. All of the above

Select the β adrenergic blocker that is primarily eliminated unchanged by renal excretion: A. Propranolol B. Metoprolol C. Esmolol D. Atenolol

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Last Answer : D. Atenolol

The following is not a feature of cardioselective beta blockers, when compared to propranolol: A. They are ineffective in suppressing muscle tremor B. They are safer in diabetics C. They are less likely to cause bradycardia D. They are less likely to worsen Raynaud’s disease

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Last Answer : C. They are less likely to cause bradycardia

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Last Answer : D. Esmolol

β-adrenergic blockers are indicated in the following conditions except: A. Hypertrophic cardiomyopathy B. Congestive heart failure C. Vasospastic angina pectoris D. Dissecting aortic aneurysm

Description : β-adrenergic blockers are indicated in the following conditions except: A. Hypertrophic cardiomyopathy B. Congestive heart failure C. Vasospastic angina pectoris D. Dissecting aortic aneurysm

Last Answer : C. Vasospastic angina pectoris

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Description : The following disease is worsened by propranolol: A. Glaucoma B. Raynaud’s disease C. Benign prostatic hypertrophy D. Parkinsonism

Last Answer : B. Raynaud’s disease

Select the drug which can impair carbohydrate tolerance in prediabetics but prolongs insulin hypoglycaemia: A. Salbutamol B. Propranolol C. Prazosin D. Nifedipine

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Last Answer : B. Propranolol

The β adrenergic blocker having β1 selectivity, intrinsic sympathomimetic activity and membrane stabilizing property is: A. Carvedilol B. Atenolol C. Acebutolol D. Metoprolol

Description : The β adrenergic blocker having β1 selectivity, intrinsic sympathomimetic activity and membrane stabilizing property is: A. Carvedilol B. Atenolol C. Acebutolol D. Metoprolol

Last Answer : C. Acebutolol

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