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WorksheetsPharmacology Quiz
Total questions: 20
Worksheet time: 10mins
Atropine is classified as a
Cholinergic agonist
Anticholinesterase
Antimuscarinic drug
Nicotinic blocker
Anticholinergics act by blocking
Muscarinic receptors only
Nicotinic receptors only
Both muscarinic and nicotinic receptors
Adrenergic receptors
Which of the following is a natural anticholinergic alkaloid?
Glycopyrrolate
Atropine
Ipratropium
Tropicamide
Primary action of atropine on heart is
Bradycardia
Tachycardia
No effect
Heart block
Atropine reduces salivary secretion by blocking
M1 receptors
M2 receptors
M3 receptors
N receptors
Major therapeutic use of atropine is
Asthma prophylaxis
Organophosphate poisoning
Glaucoma treatment
Myasthenia gravis
Common adverse effect of atropine is
Miosis
Bronchoconstriction
Dry mouth & blurred vision
Diarrhea
Atropine is contraindicated in
Sinus bradycardia
Organophosphate poisoning
Narrow angle glaucoma
Pre-anesthetic medication
Viscera-selective antispasmodic is
Atropine
Scopolamine
Dicycloverine
Glycopyrrolate
Ipratropium bromide is preferred in asthma because it
Is systemically absorbed
Has central effects
Acts locally with minimal systemic effects
Stimulates mucus secretion
Tiotropium has longer duration due to
High lipid solubility
Irreversible binding
Slow dissociation from M3 receptors
Rapid metabolism
Scopolamine differs from atropine by having
No CNS effects
More CNS depressant action
Only peripheral action
Shorter duration
Scopolamine is mainly used in
Asthma
Motion sickness
Glaucoma
Peptic ulcer disease
Adrenergic drugs act by stimulating
Cholinergic receptors
Muscarinic receptors
Alpha and beta receptors
Histamine receptors
Adrenaline acts on
α1 only
β1 only
α and β receptors
Dopamine receptors
Primary pharmacological action of adrenaline on heart is
Decreased heart rate
No change
Increased heart rate & force
Heart block
Adrenaline causes bronchodilation by acting on
α1 receptors
α2 receptors
β1 receptors
β2 receptors
Drug of choice in anaphylactic shock is
Atropine
Adrenaline
Noradrenaline
Dopamine
Therapeutic use of adrenaline includes all EXCEPT
Anaphylaxis
Bronchial asthma
Cardiac arrest
Hypertension
Major adverse effect of adrenaline is
Bradycardia
Hypotension
Tachycardia and arrhythmias
Sedation
