Select the longer acting ocular beta blocker: A. Timolol B. Betaxolol C. Cartiolol D. Levobunolol

Select the longer acting ocular beta blocker:
A. Timolol
B. Betaxolol
C. Cartiolol
D. Levobunolol
by

1 Answer

Answer :

D. Levobunolol
by

Related questions

Select the longer acting ocular beta blocker: A. Timolol B. Betaxolol C. Cartiolol D. Levobunolol

Description : Select the longer acting ocular beta blocker: A. Timolol B. Betaxolol C. Cartiolol D. Levobunolol

Last Answer : D. Levobunolol

Betaxolol differs from timolol in that it: A. Is a β1 selective blocker B. Is more efficacious in glaucoma C. Produces less ocular side effects D. Is longer acting

Description : Betaxolol differs from timolol in that it: A. Is a β1 selective blocker B. Is more efficacious in glaucoma C. Produces less ocular side effects D. Is longer acting

Last Answer : A. Is a β1 selective blocker

Betaxolol differs from timolol in that it: A. Is a β1 selective blocker B. Is more efficacious in glaucoma C. Produces less ocular side effects D. Is longer acting

Description : Betaxolol differs from timolol in that it: A. Is a β1 selective blocker B. Is more efficacious in glaucoma C. Produces less ocular side effects D. Is longer acting

Last Answer : A. Is a β1 selective blocker

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Last Answer : D. Esmolol

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To be used as a topically applied ocular beta blocker a drug should have the following properties except: A. Strong local anaesthetic activity B. High lipophilicity C. High ocular capture D. Low systemic activity

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Last Answer : A. Strong local anaesthetic activity

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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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Select the β adrenergic blocker that is primarily eliminated unchanged by renal excretion: A. Propranolol B. Metoprolol C. Esmolol D. Atenolol 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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Hyoscine differs from atropine in that it: A. Exerts depressant effects on the CNS at relatively low doses B. Exerts more potent effects on the heart than on the eye C. Is longer acting D. Has weaker antimotion sickness activity

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Last Answer : A. Exerts depressant effects on the CNS at relatively low doses

Pyridostigmine differs from neostigmine in that: A. It is more potent orally B. It is longer acting C. It produces less muscarinic side effects D. It does not have any direct action on NM receptors

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Last Answer : B. It is longer acting

The quarternary analogues of belladonna alkaloids are preferred over the natural alkaloids for antisecretory/ antispasmodic indications because: A. They have additional nicotinic receptor blocking activity B. They are incompletely absorbed after oral administration C. They are devoid of CNS and ocular effects D. Dose to dose they are more potent than atropine

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Last Answer : C. They are devoid of CNS and ocular effects

To be used as a topically applied ocular beta blocker a drug should have the following properties except: A. Strong local anaesthetic activity B. High lipophilicity C. High ocular capture D. Low systemic activity

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Last Answer : A. Strong local anaesthetic activity

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Last Answer : D. Pindolol

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Last Answer : C. Acebutolol

Which of the following is a selective α1A receptor blocker that affords symptomatic relief in benign prostatic hypertrophy without producing significant fall in blood pressure: A. Terazosin B. Doxazosin C. Trimazosin D. Tamsulosin

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Last Answer : D. Tamsulosin

The primary reason for preferring phentolamine as the α adrenergic blocker for performing diagnostic test for pheochromocytoma is: A. It produces rapid and short lasting α-adrenergic blockade B. It equally blocks α1 and α2 adrenoceptors C. It is the most potent α blocker D. It has no additional β adrenergic blocking property

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Last Answer : A. It produces rapid and short lasting α-adrenergic blockade

The drug which produces vasoconstriction despite being an α adrenergic blocker is: A. Phenoxybenzamine B. Ergotamine C. Dihydroergotoxine D. Tolazoline

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The β adrenergic blocker having β 1 selectivity, intrinsic sympathomimetic activity and membrane stabilizing property is: A. Carvedilol B. Atenolol C. Acebutolol D. Metoprolol

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Last Answer : C. Acebutolol

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The primary reason for preferring phentolamine as the α adrenergic blocker for performing diagnostic test for pheochromocytoma is: A. It produces rapid and short lasting α-adrenergic blockade B. It equally blocks α1 and α2 adrenoceptors C. It is the most potent α blocker D. It has no additional β adrenergic blocking property

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Last Answer : A. It produces rapid and short lasting α-adrenergic blockade

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

Beta adrenergic blockers lower intraocular tension by: A. Down regulating adenylyl cyclase in ciliary body through reduced activation of β2 adrenoceptors B. Constricting ciliary blood vessels C. Blocking adrenergic action on trabecular meshwork D. Reducing aqueous formation unrelated to beta adrenoceptor mediation

Description : Beta adrenergic blockers lower intraocular tension by: A. Down regulating adenylyl cyclase in ciliary body through reduced activation of β2 adrenoceptors B. Constricting ciliary blood vessels ... action on trabecular meshwork D. Reducing aqueous formation unrelated to beta adrenoceptor mediation

Last Answer : A. Down regulating adenylyl cyclase in ciliary body through reduced activation of β2 adrenoceptors

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

Timolol eye drops are preferred over pilocarpine eye drops by glaucoma patients because: A. Timolol is more effective than pilocarpine B. Timolol acts by enhancing uveo-scleral outflow C. Timolol produces less ocular side effects D. There are no contraindications to timolol

Description : Timolol eye drops are preferred over pilocarpine eye drops by glaucoma patients because: A. Timolol is more effective than pilocarpine B. Timolol acts by enhancing uveo-scleral outflow C. Timolol produces less ocular side effects D. There are no contraindications to timolol

Last Answer : C. Timolol produces less ocular side effects

Timolol eye drops are preferred over pilocarpine eye drops by glaucoma patients because: A. Timolol is more effective than pilocarpine B. Timolol acts by enhancing uveo-scleral outflow C. Timolol produces less ocular side effects D. There are no contraindications to timolol

Description : Timolol eye drops are preferred over pilocarpine eye drops by glaucoma patients because: A. Timolol is more effective than pilocarpine B. Timolol acts by enhancing uveo-scleral outflow C. Timolol produces less ocular side effects D. There are no contraindications to timolol

Last Answer : C. Timolol produces less ocular side effects

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. It is a smooth muscle antispasmodic acting by non-anticholinergic mechanisms

Edrophonium is more suitable for differentiating myasthenic crisis from cholinergic crisis because of its: A. Shorter duration of action B. Longer duration of action C. Direct action on muscle end-plate D. Selective inhibition of true cholinesterase

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Last Answer : A. Shorter duration of action

Neostigmine is preferred over physostigmine for treating myasthenia gravis because: A. It is better absorbed orally B. It has longer duration of action C. It has additional direct agonistic action on nicotinic receptors at the muscle end plate D. It penetrates blood-brain barrier

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Last Answer : C. It has additional direct agonistic action on nicotinic receptors at the muscle end plate

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Last Answer : B. Propranolol

Select the drug which is administered orally for erectile dysfunction in men: A. Yohimbine B. Papaverine C. Alprostadil D. Sildenafil

Description : Select the drug which is administered orally for erectile dysfunction in men: A. Yohimbine B. Papaverine C. Alprostadil D. Sildenafil

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Last Answer : C. Mannitol

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Last Answer : B. More potent α adrenergic blocking than β blocking activity

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

Select the drug which is administered orally for erectile dysfunction in men: A. Yohimbine B. Papaverine C. Alprostadil D. Sildenafil

Description : Select the drug which is administered orally for erectile dysfunction in men: A. Yohimbine B. Papaverine C. Alprostadil D. Sildenafil

Last Answer : D. Sildenafil

Select the diuretic that is most effective in acute congestive glaucoma: A. Indapamide B. Amiloride C. Mannitol D. Furosemide

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Last Answer : C. Mannitol

Select the correct statement about salmeterol. (a) It is a long acting selective ß2 agonist bronchodilator (b) It is a bronchodilator with anti-inflammatory property (c) It is a ß blocker that can be safely given to asthmatics (d) It is an antihistaminic with mast cells stabilizing property

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Last Answer : Ans: A

Select the correct statement about salmeterol: A. It is a long acting selective β2 agonist bronchodilator B. It is a bronchodilator with anti-inflammatory property C. It is a β blocker that can be safely given to asthmatics D. It is an antihistaminic with mast cell stabilizing property

Description : Select the correct statement about salmeterol: A. It is a long acting selective β2 agonist bronchodilator B. It is a bronchodilator with anti-inflammatory property C. It is a β blocker that can be safely given to asthmatics D. It is an antihistaminic with mast cell stabilizing property

Last Answer : A. It is a long acting selective β2 agonist bronchodilator

In hyperthyroidism, β adrenergic blockers are used: A. To induce euthyroid state B. As definitive therapy C. For rapid control of certain symptoms while awaiting response to carbimazole D. To reduce basal metabolic rate

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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

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 : C. Intrinsic sympathomimetic activity

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

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Last Answer : C. Vasospastic angina pectoris

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

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Last Answer : B. Raynaud’s disease

What is true of sildenafil: A. It enhances sexual enjoyment in normal men B. It delays ejaculation C. It improves penile tumescence in men with erectile dysfunction D. It blocks cavernosal α2 adrenoceptors

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Last Answer : C. It improves penile tumescence in men with erectile dysfunction

Sildenafil is contraindicated in patients taking the following class of drugs: A. α-adrenergic blockers B. β-adrenergic blockers C. Organic nitrates D. Angiotensin converting enzyme inhibitors

Description : Sildenafil is contraindicated in patients taking the following class of drugs: A. α-adrenergic blockers B. β-adrenergic blockers C. Organic nitrates D. Angiotensin converting enzyme inhibitors

Last Answer : C. Organic nitrates

The bladder trigone and prostatic muscles are relaxed by: A. Adrenergic α1 agonists B. Adrenergic α1 antagonists C. Adrenergic α2 agonists D. Adrenergic α2 antagonists

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Last Answer : B. Adrenergic α1 antagonists

The nonselective α adrenergic blockers produce the following actions except: A. Postural hypotension B. Bradycardia C. Miosis D. Inhibition of ejaculation

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Last Answer : B. Bradycardia

Adrenaline injected with a local anaesthetic: A. Reduces local toxicity of the local anaesthetic B. Reduces systemic toxicity of the local anaesthetic C. Shortens duration of local anaesthesia D. Makes the injection less painful

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Last Answer : B. Reduces systemic toxicity of the local anaesthetic

Vasoconstrictors should not be used in: A. Neurogenic shock B. Haemorrhagic shock C. Secondary shock D. Hypotension due to spinal anaesthesia

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