Pharmacology - Mock Test 36

Question 351

In patients of congestive heart failure, β-adrenergic blockers

A) Are absolutely contraindicated B) Can prolong survival C) Can improve haemodynamics after compensation has been restored D) Both B and C are correct

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Question 352

In a patient of hypertension, the dose of propranolol that normalized blood pressure, reduced resting heart rate to 50/min. Which of the following β blockers will be most suitable for him as an alternative so that heart rate is not markedly reduced

A) Pindolol B) Celiprolol C) Bisoprolol D) Atenolol

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Question 353

Esmolol has the following features <u>except</u>

A) Rapidly developing, shortlasting β adrenergic blockade B) Cardioselectivity of action C) Intrinsic sympathomimetic activity D) Suitability for intraoperative use

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Question 354

Dexamphetamine produces an apparently paradoxical effect in

A) Addicts B) Athletes C) Parkinsonian patients D) Hyperkinetic children

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Question 355

Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger’s disease, because in this disease

A) Vasodilator β adrenoceptors are deficient B) There is loss of sympathetic innervation C) Blood flow to the affected limb is reduced by organic obstruction D) The drug is not delivered to the affected site

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Question 356

The most likely complication of prolonged use of nasal decongestant drops is

A) Atrophic rhinitis B) Hypertrophy of nasal mucosa C) Naso-pharyngeal moniliasis D) Blockage of eustachian tubes

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Question 357

Select the ultrashort acting cardioselective β adrenergic blocker

A) Bisoprolol B) Timolol C) Sotalol D) Esmolol

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Question 358

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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Question 359

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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Question 360

The following is true of fenfluramine <u>except</u>

A) It lacks CNS stimulant action B) Its use has been associated with cardiac abnormalities and pulmonary hypertension C) It causes weight loss independent of reduced food intake D) It enhances serotonergic transmission in the brain

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