Question

A 60-year-old woman takes a TCA for insomnia and depression. She complains of dry mouth, blurred vision, and constipation. Which receptor blockade causes these anticholinergic effects?

Accepted Answer

Muscarinic blockade

Answer

Beta-adrenergic blockade

Answer

Alpha-2 adrenergic blockade

Answer

Histamine H1 blockade

Answer

Dopamine D2 blockade

Practice question

A 60-year-old woman takes a TCA for insomnia and depression. She complains of dry mouth, blurred vision, and constipation. Which receptor blockade causes these anticholinergic effects?