Pharmacology MCQs in Cardiovascular System || Very important questions

Pharmacology MCQs in Cardiovascular System || Very important questions

The cardiovascular system is the transportation system of the body. It delivers nutrients to all the organs and tissues to keep them supplied with energy in much the same way supplies are transported across the country. When this system shuts down, the organs and tissues begin to starve. This can occur when the vessels that transport the nutrients get clogged and the blood can't get through, or when the heart stops pumping properly and is no longer able to provide enough force to push the blood through this intricate network of vessels.

There are many things we can do as individuals to keep this system working at its best, including eating properly, avoiding smoking, and exercising regularly, but sometimes that just isn't enough. For many people, medications are necessary to prevent the cardiovascular system from malfunctioning or shutting down altogether

In this video and its affiliated parts in the medical MCQs section, multiple-choice questions about cardiology and many important questions that you may encounter in many exams.

#pharmacology
#cardio
#heart
#mcq
MCQs:
1. Colestyramine:
a) Causes a fall in plasma cholesterol
b) Increases fecal excretion of bile acids
c) Reduces absorption of folic acid
d) Causes diarrhoea in diabetic autonomic neuropathy
e) Reduces pruritus in incomplete biliary obstruction

2. Bezafibrate:
a) Lowers plasma triglyceride
b) Is ineffective post cholecystectomy
c) Inhibits lipoprotein lipase
d) Is indicated in alcohol-induced hyperlipidaemia
e) Potentiates the effects of warfarin

3. The following can cause hypertension:
a) Corticosteroid therapy
b) Oral contraception
c) Alcohol withdrawal
d) Amphetamines
e) Ergotamine

4. Thiazide diuretics when used in the management of uncomplicated
essential hypertension:
a) Reduce the risk of stroke
b) Are natriuretic
c) Potassium supplements are usually required
d) Reduce plasma renin
e) Are associated with impotence

5. Ramipril, an (ACE) inhibitor:
a) Reduces concentrations of angiotensin II
b) Increases concentrations of bradykinin
c) Increases noradrenaline release from sympathetic nerve terminals
d) Increases aldosterone secretion
e) Causes hypokalaemia

6. Irbesartan (an angiotensin-11 receptor antagonist) is contraindicated in:
a) Left ventricular failure
b) Asthma
c) Bilateral renal artery stenosis
d) Pregnancy
e) Diabetic nephropathy

7. Nifedipine in comparison to verapamil is more likely to:
a) Worsen angina
b) Cause ankle swelling unresponsive to diuretics
c) Have negative inotropic effects
d) Cause flushing and headache
e) Cause constipation

8. Sodium nitroprusside:
a) Is administered by intravenous infusion
b) Prolonged administration can lead to cyanide poisoning
c) Has a half-life of about one week
d) Reduces cardiac ‘pre-load’
e) Reduces cardiac ‘afterload’

9. Methyldopa:
a) Causes central α2 agonist effects
b) Causes drowsiness and fatigue
c) Pyrexia is an adverse effect
d) Is associated with Coombs’-positive haemolytic anaemia
e) A single missed dose can cause profound rebound hypertension

10. The management of unstable angina usually includes:
a) Aspirin
b) Glyceryl trinitrate (GTN)
c) Low molecular weight heparin
d) Salbutamol
e) Beta-adrenoceptor antagonist

11. The following are recognized adverse effects of unfractionated heparin therapy:
a) Osteoporosis
b) Alopecia
c) Thrombocytopenia
d) Diarrhoea
e) Fetal cleft palate

12. The following inhibit the metabolism of warfarin:
a) Cimetidine
b) Fluvoxamine
c) St John’s wort
d) Carbamazepine
e) Smoking

13. The following inhibit platelet activation and/or aggregation:
a) Warfarin
b) Heparin
c) Thromboxane A2
d) Prostacyclin (epoprostenol)
e) Dipyridamole

14. Intravenous furosemide:
a) Causes natriuresis
b) Causes kaliuresis
c) Has an indirect vasodilator effect
d) Diuresis begins 10–20 minutes after an intravenous dose
e) High doses are ototoxic

15. ACE inhibitors:
a) Are positive inotropes
b) Increase afterload
c) Increase preload
d) May cause cough
e) Should be given parenterally in acute heart failure

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