Digitalis is most suitable for treatment of CHF when it is due to: A. Cor pulmonale B. Arterio-venous shunt C. Thiamine deficiency D. Long-standing uncontrolled hypertension

Digitalis is most suitable for treatment of CHF when
it is due to:
A. Cor pulmonale
B. Arterio-venous shunt
C. Thiamine deficiency
D. Long-standing uncontrolled hypertension
by

1 Answer

Answer :

D. Long-standing uncontrolled hypertensio
by

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Last Answer : D. Constricting cranial vessels and reducing perivascular neurogenic inflammation

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Cor pulmonale?

Description : Cor pulmonale?

Last Answer : DefinitionCor pulmonale is failure of the right side of the heart brought on by long-term high blood pressure in the pulmonary arteries and right ventricle of the heart.Alternative NamesRight- ... is called cor pulmonale.Almost any chronic lung disease or condition causing prolonged low blood oxygen

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Which of the following is not likely to be the cause of failure of antimicrobial therapy of an acute infection: A. Improper selection of drug and dose B. Acquisition of resistance during treatment C. Failure to drain the pus D. Uncontrolled diabetes mellitus

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Beneficial effects of β-adrenoceptor blockers in CHF include the following except: A. Antagonism of ventricular wall stress enhancing action of sympathetic overactivity B. Antagonism of vasoconstriction due to sympathetic overactivity C. Prevention of pathological remodeling of ventricular myocardium D. Prevention of dangerous cardiac arrhythmias

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Which of the following terms is given to hypertension in which the blood pressure, which is controlled with therapy, becomes uncontrolled (abnormally high) with the discontinuation of therapy? a) Rebound Rebound hypertension may precipitate a hypertensive crisis. b) Essential Essential or primary hypertension denotes high blood pressure from an unidentified source. c) Primary Essential or primary hypertension denotes high blood pressure from an unidentified source. d) Secondary Secondary hypertension denotes high blood pressure from an identified cause, such as renal disease.

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Shortacting nifedipine formulation is not recommended now for treatment of hypertension because: A. It tends to increase heart rate and cardiac work B. It invokes pronounced reflex sympathetic discharges C. It can impair haemodynamics in patients with diastolic dysfunction D. All of the above

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ignocaine is effective in the following cardiac arrhythmia(s): A. Atrial fibrillation B. Paroxysmal supraventricular tachycardia C. Digitalis induced ventricular extrasystoles D. All of the above

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Last Answer : D. Both 'A' and 'B' are correct

Infusion of potassium chloride is indicated in digitalis toxicity when the manifestation(s) is/are: A. Vomiting, hyperapnoea and visual disturbance B. Pulsus bigeminus with heart rate 110/min in a patient on maintenance digoxin therapy C. Ventricular tachycardia in a child who has accidentally ingested 10 digoxin tablets D. 2:1 A-V block with occasional ventricular extrasystoles

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Last Answer : B. Pulsus bigeminus with heart rate 110/min in a patient on maintenance digoxin therapy

Digitalis induced increase in refractory period of myocardial fibres is most consistent and pronounced in the: A. Atria B. Ventricles C. A-V node D. Purkinje fibres

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The electrophysiological effects of digitalis on Purkinje fibres include the following except: A. Enhancement of resting membrane potential B. Decrease in the slope of phase-0 depolarization C. Increase in the rate of phase-4 depolarization D. Abbreviation of action potential duration

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Last Answer : A. Enhancement of resting membrane potential

Digitalis slows the heart in congestive heart failure by: A. Increasing vagal tone B. Decreasing sympathetic overactivity C. Direct depression of sinoatrial node D. All of the above

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Last Answer : D. All of the above

Digitalis in creases the force of contraction of ventricles by: A. Increasing the duration of systole B. Increasing the rate of contraction without affecting the duration of systole C. Increasing the rate of contraction, but reducing the duration of systole D. Increasing both the rate of contraction as well as the duration of systole

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Last Answer : C. Increasing the rate of contraction, but reducing the duration of systole

Which of the following statements most closely describes the current status of angiotensin converting enzyme inhibitors in congestive heart failure: A. They are the first choice drugs unless contraindicated B. They are used when diuretics alone fail C. They are a substitute for digitalis D. They are to be used as adjuncts only in resistant cases

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Atropine is contraindicated in: A. Pulmonary embolism B. Digitalis toxicity C. Iridocyclitis D. Raised intraocular tension

Description : Atropine is contraindicated in: A. Pulmonary embolism B. Digitalis toxicity C. Iridocyclitis D. Raised intraocular tension

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Atropine is contraindicated in: A. Pulmonary embolism B. Digitalis toxicity C. Iridocyclitis D. Raised intraocular tension

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Last Answer : D. Raised intraocular tension

The following factor is not involved in the causation of hypotension due to spinal anaesthesia: A. Histamine release B. Reduced sympathetic vasoconstrictor tone C. Decreased venous return from the lower limbs D. Bradycardia

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Last Answer : A. Histamine release

The fall in blood pressure caused by d-tubocurarine is due to: A. Reduced venous return B. Ganglionic blockade C. Histamine release D. All of the above

Description : The fall in blood pressure caused by d-tubocurarine is due to: A. Reduced venous return B. Ganglionic blockade C. Histamine release D. All of the above

Last Answer : D. All of the above

The standard management oral anticoagulant therapy for chronic treatment of venous thromboembolism is with the drug warfarin. Which of the following statement(s) is/are true concerning the administration of warfarin? a. An important complication of warfarin therapy is skin necrosis in patients with protein C deficiency b. Warfarin interferes with vitamin K dependent clotting factors II, VII, IX, X c. For effective anticoagulation the prothrombin time (PT) should be kept at 2 control d. It is recommended that warfarin be continued for at least one year after initial episode of deep venous thrombosis

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Last Answer : Answer: a, b Warfarin interferes with the vitamin K dependent clotting factors II, VII, IX and X, protein C, and protein S. An important complication of warfarin is skin ... the benefit from anticoagulant therapy and thus is the basis for discontinuing warfarin administration at this time

The following apply to use of spironolactone in CHF except: A. It is indicated only in NYHA class III/IV cases as additional drug to conventional therapy B. It affords prognostic benefit in severe heart failure over and above that afforded by ACE inhibitors C. It helps overcome refractoriness to diuretics D. It affords rapid symptomatic relief

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Last Answer : D. It affords rapid symptomatic relief

Raised plasma aldosterone level in CHF contributes to disease progression by exerting the following effects except: A. Fibrotic remodeling of myocardium B. Hyperkalemia and hypermagnesemia C. Increasing cardiac preload by Na+ and water retention D. Enhancing cardiotoxicity of sympathetic overactivity

Description : Raised plasma aldosterone level in CHF contributes to disease progression by exerting the following effects except: A. Fibrotic remodeling of myocardium B. Hyperkalemia and hypermagnesemia C. ... cardiac preload by Na+ and water retention D. Enhancing cardiotoxicity of sympathetic overactivity

Last Answer : B. Hyperkalemia and hypermagnesemia

The following is true of β-adrenergic blocker therapy in CHF: A. They are added to conventional therapy after cardiac compensation is restored B. They are indicated only in severe (NYHA class IV) heart failure C. They are to be used only at low doses D. All of the above

Description : The following is true of β-adrenergic blocker therapy in CHF: A. They are added to conventional therapy after cardiac compensation is restored B. They are indicated only in severe (NYHA class IV) heart failure C. They are to be used only at low doses D. All of the above

Last Answer : A. They are added to conventional therapy after cardiac compensation is restored

Beneficial effect/effects of diuretics in CHF patients include the following: A. Symptomatic relief B. Regression of pathological changes C. Prolongation of life expectancy D. Both ‘A’ and ‘C’

Description : Beneficial effect/effects of diuretics in CHF patients include the following: A. Symptomatic relief B. Regression of pathological changes C. Prolongation of life expectancy D. Both ‘A’ and ‘C’

Last Answer : A. Symptomatic relief

The preferred diuretic for mobilizing edema fluid in CHF is: A. Hydrochlorothiazide B. Furosemide C. Metolazone D. Amiloride

Description : The preferred diuretic for mobilizing edema fluid in CHF is: A. Hydrochlorothiazide B. Furosemide C. Metolazone D. Amiloride

Last Answer : B. Furosemide

Which of the following drugs can afford both haemodynamic improvement as well as disease modifying benefits in CHF: A. Furosemide B. Milrinone C. Losartan D. Digoxin

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Last Answer : C. Losartan

The following drug can relieve symptoms of CHF but does not retard disease progression or prolong survival: A. Digoxin B. Carvedilol C. Spironolactone D. Ramipril

Description : The following drug can relieve symptoms of CHF but does not retard disease progression or prolong survival: A. Digoxin B. Carvedilol C. Spironolactone D. Ramipril

Last Answer : A. Digoxin

Select the drug that can help restore cardiac performance as well as prolong survival in CHF patients: A. Spironolactone B. Furosemide C. Dobutamine D. Metoprolol

Description : Select the drug that can help restore cardiac performance as well as prolong survival in CHF patients: A. Spironolactone B. Furosemide C. Dobutamine D. Metoprolol

Last Answer : D. Metoprolol

A patient of CHF was treated with furosemide and digoxin. He became symptom-free and is stable for the last 3 months with resting heart rate 68/min in sinus rhythm but left ventricular ejection fraction is low. Which of the following lines of action is warranted: A. Stop above medication and start an ACE inhibitor B. Continue all medication as before C. Continue the diuretic but stop digoxin D. Continue digoxin but stop the diuretic

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Last Answer : A. Stop above medication and start an ACE inhibitor

Digoxin affords the following benefit/benefits in CHF: A. Restores cardiac compensation and relieves symptoms B. Reverses the pathological changes of CHF C. Prolongs survival of CHF patients D. Both ‘A’ and ‘B’ are correc

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Last Answer : A. Restores cardiac compensation and relieves symptoms

The dose of digoxin in congestive heart failure is adjusted by monitoring: A. Electrocardiogram B. Heart rate and symptoms of CHF C. Blood pressure D. Plasma digoxin levels

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Last Answer : B. Heart rate and symptoms of CH

Captopril produces greater fall in blood pressure in: A. Diuretic treated patients B. Patients having low plasma renin activity C. Sodium replete normotensive individuals D. Untreated CHF patient

Description : Captopril produces greater fall in blood pressure in: A. Diuretic treated patients B. Patients having low plasma renin activity C. Sodium replete normotensive individuals D. Untreated CHF patient

Last Answer : A. Diuretic treated patients

Adverse consequences of excess mineralocorticoid action include the following except: A. Na+ and water retention B. Acidosis C. Aggravation of CHF associated myocardial fibrosis D. Rise in blood pressure

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Last Answer : B. Acidosis

The basis for use of β-adrenergic blockers in congestive heart failure (CHF) is: A. They exert positive inotropic effect in CHF B. They counteract deleterious effect of sympathetic overactivity on the myocardium C. They exert antiischaemic effect on the heart D. They prevent cardiac arrhythmias

Description : The basis for use of β-adrenergic blockers in congestive heart failure (CHF) is: A. They exert positive inotropic effect in CHF B. They counteract deleterious effect of sympathetic overactivity on the myocardium C. They exert antiischaemic effect on the heart D. They prevent cardiac arrhythmias

Last Answer : B. They counteract deleterious effect of sympathetic overactivity on the myocardium

The basis for use of β -adrenergic blockers in congestive heart failure (CHF) is: A. They exert positive inotropic effect in CHF B. They counteract deleterious effect of sympathetic overactivity on the myocardium C. They exert antiischaemic effect on the heart D. They prevent cardiac arrhythmias

Description : The basis for use of β -adrenergic blockers in congestive heart failure (CHF) is: A. They exert positive inotropic effect in CHF B. They counteract deleterious effect of sympathetic overactivity on the myocardium C. They exert antiischaemic effect on the heart D. They prevent cardiac arrhythmias

Last Answer : B. They counteract deleterious effect of sympathetic overactivity on the myocardium