Pharmacology and the Nursing Process by Linda Lane Lilley: Practice Exam

Which ingredient is NOT listed as a common inactive ingredient in LTRAs that could cause an allergic reaction?

1. Povidone

2. Lactose

3. Gluten

4. Titanium dioxide

The correct answer is: Gluten

LTRAs, or leukotriene receptor antagonists, are a type of medication commonly used to treat asthma and allergies. They work by blocking the action of leukotrienes, substances in the body that can cause inflammation and allergic reactions. As such, it is important for LTRAs to be free of potential allergens that could cause adverse reactions. Povidone is a common inactive ingredient found in medications as a binder, while lactose is used as a filler and to add bulk to pills. Titanium dioxide is often used as a coloring agent in medications. None of these ingredients are known to commonly cause allergic reactions. However, gluten, which is found in wheat, barley, and rye, can cause allergic reactions and is a common trigger for those with celiac disease or non-celiac gluten sensitivity. It is important for individuals with these conditions to carefully check the ingredients in