What can be inferred about fat-soluble drugs compared to water-soluble drugs?

Fat-soluble drugs are typically more likely to accumulate in the body’s fatty tissues, which can lead to a longer duration of action. This is because they are not readily flushed out by the kidneys or through urine, unlike water-soluble drugs, which are more easily excreted from the body. As fat-soluble drugs permeate cell membranes, they often have a prolonged presence in the system, which can contribute to extended effects and potential toxicity with repeated use.

In contrast, the other options suggest characteristics that do not align with the unique properties of fat-soluble drugs. They are not inherently less effective; effectiveness depends on the specific drug and condition being treated. While some fat-soluble drugs might exert effects at a slower pace due to their pharmacokinetics, they do not necessarily cause more immediate effects compared to water-soluble drugs, which can act quickly as they disperse readily in bodily fluids. Lastly, fat-soluble drugs are not easier to eliminate from the body; in fact, their very nature often makes elimination more challenging.