Section 3 - Quiz Questions Flashcards
**Match each drug with the appropiate receptor type that mediates the effects on which its medical use is based. **
Atenolol
Pilocarpine
Pancuronium
Prazosin
Match each drug with the appropiate receptor type that mediates the effects on which its medical use is based.
Atenolol - Beta Adrenergic Receptor
Pilocarpine - Muscarinic Cholinergic Receptor
Pancuronium - Nicotinic Cholinergic Receptor
Prazosin - Alpha Adrenergic Receptor
Choose the drug that produces these effects
Paralyzes skeletal muscle and inhibits respiration
Choose the drug that produces these effects
Paralyzes skeletal muscle and inhibits respiration
_Atracurium _
Choose the drug that produces these effects
Can produce dry mouth and pupillary dilation
Choose the drug that produces these effects
Can produce dry mouth and pupillary dilation
Atropine
Choose the drug that produces these effects
Increases heart rate and cardiac contractility
Choose the drug that produces these effects
Increases heart rate and cardiac contractility
Dobutamine
Choose the drug that produces these effects
Produces salivation, lacrimation, urination and defecation
Choose the drug that produces these effects
Produces salivation, lacrimation, urination and defecation
Neostigmine
Choose the drug that produces these effects
Decreases conduction in the atrio-ventricular node and inhibits ventricular tachyarrhthymias
Choose the drug that produces these effects
Decreases conduction in the atrio-ventricular node and inhibits ventricular tachyarrhthymias
Propanolol
Which drugs are effective in abolishing a supraventricular tachyarrhthmia that is due to impulse re-entry in the AV node?
(2)
Which drugs are effective in abolishing a supraventricular tachyarrhthmia that is due to impulse re-entry in the AV node?
- Propanolol (Class II AARD)
- Dilitizaem (Class IV AARD)
**Which class of anti-arrythmia drug lenthens the effective refractory period of centricular myocardial cells by slowing the retun of the ventricular action potential to the resting membrane potential? **
**Which class of anti-arrythmia drug lenthens the effective refractory period of centricular myocardial cells by slowing the retun of the ventricular action potential to the resting membrane potential? **
Class 3
**Which drugs act directly at the sino-atrial node to increase heart rate? **
(2)
**Which drugs act directly at the sino-atrial node to increase heart rate? **
- Atropine
- Isoproterenol
**Which type of cholinergic receptor mediates the effects of bethanechol in stimulating motility in the urinary bladder? **
**Which type of cholinergic receptor mediates the effects of bethanechol in stimulating motility in the urinary bladder? **
Muscarinic
This drug produces sedation by stimulating a2- adrenergic receptors in the central nervous system.
This drug produces sedation by stimulating a2- adrenergic receptors in the central nervous system.
Medetomidine
Which drug will relieve conduction block in the AV node?
Which drug will relieve conduction block in the AV node?
Atropine
**Which drug will decrease blood pressure if injected after administration of the antihypertensive agent phentolamine? **
**Which drug will decrease blood pressure if injected after administration of the antihypertensive agent phentolamine? **
Isoproterenol
(stimulates all beta adrenergic receptors)
Which cardiac receptor, when stimulated by an agonist, mediates a decrease in heart rate?
Which cardiac receptor, when stimulated by an agonist, mediates a decrease in heart rate?
M2-Muscarinic Cholinergic Receptor
(decrease pacemaker current in the SA node)
Which drug acts as a competitive antagonist at beta1-adrenergic receptors?
Which drug acts as a competitive antagonist at beta1-adrenergic receptors?
Atenolol
(is a “cardio-selective” beta1-AR antagonist)
What drug is used to correct urinary bladder atony (urinary retention)?
What drug is used to correct urinary bladder atony (urinary retention)?
Bethanechol
Which drug is used to correct Myasthenia gravis (poor cholinergic neuromuscular signaling)?
Which drug is used to correct Myasthenia gravis (poor cholinergic neuromuscular signaling)?
Neostigmine
Which drug is used to correct Bronchoconstrictive disease?
Which drug is used to correct Bronchoconstrictive disease?
Albuterol