QInB=44

A 70-year-old man with chronic obstructive pulmonary disease (COPD) is prescribed ipratropium inhaler (20 mcg per puff, four times daily). Ipratropium has a half-life of approximately 2 hours and minimal systemic absorption when inhaled.
What is the primary therapeutic effect of ipratropium?

Question

QInB=44
 
 A 70-year-old man with chronic obstructive pulmonary disease (COPD) is prescribed ipratropium inhaler (20 mcg per puff, four times daily). Ipratropium has a half-life of approximately 2 hours and minimal systemic absorption when inhaled. 
  What is the primary therapeutic effect of ipratropium?

Answer

Activation of nicotinic receptors at neuromuscular junctions

Answer

Inhibition of acetylcholinesterase increasing acetylcholine levels

Answer

Stimulation of adrenergic beta-2 receptors in bronchial smooth muscle

Answer

Competitive antagonism at histaminergic H1 receptors

Answer

Blockade of muscarinic receptors leading to bronchodilation

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QInB=44 A 70-year-old man with chronic obstructive pulmonary disease (COPD) i...

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