Which medication may cause a decrease in blood glucose levels?

The selection of "All of the Above" as the correct answer is justified because each of the medications listed can influence blood glucose levels in different ways. Anabolic steroids, while primarily known for their effects on muscle mass and metabolism, can also influence insulin sensitivity and glucose metabolism, potentially leading to decreased blood glucose levels in certain contexts.

MAOIs, or monoamine oxidase inhibitors, primarily used as antidepressants, can affect metabolic pathways that may inadvertently impact glucose metabolism, also resulting in changes to blood glucose levels.

Clofibrate, a medication previously used to lower cholesterol levels, can also enhance insulin sensitivity, leading to a reduction in blood glucose levels. In fact, clofibrate is known to stimulate pancreatic insulin release, contributing to a decrease in glucose levels.

Thus, each medication has a mechanism or effect that can lead to decreased blood glucose levels, making the answer "All of the Above" appropriate, as it encompasses the effects of all the listed medications.