Several Classes of Drugs Have Interactions with Cholinergic Blockers

question 34

Multiple Choice

Several classes of drugs have interactions with cholinergic blockers. Which of the following is true about these interactions?

• A)Drugs with a narrow therapeutic range given orally may not stay in the GI tract long enough to produce an action.
• B)Additive antimuscarinic effects may occur with antihistamines.
• C)Cholinergic blockers may decrease the sedative effects of hypnotics.
• D)Cholinergic blockers are contraindicated with antipsychotics.

---

Definitions:

Hypertonic

A solution that has a higher concentration of solutes compared to another solution, leading to potential osmotic movement of water out of a cell.

Extracellular Fluid

Fluid that exists outside the cells of an organism, including blood plasma, lymph, and interstitial fluid, providing a medium for transport of nutrients and waste.

Solute Concentration

The amount of a substance dissolved in a unit volume of solution, often referred to in terms of molarity, molality, or mass percent.

Hypertonic

A Hypertonic solution is one in which the concentration of solutes is greater outside the cell than inside it, leading to cell shrinkage.