NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What should be checked for in a patient's stool who is on the Osmotic Release Oral System (OROS)?

Undigested food
Blood
Ghost tablet/capsule
Worms

The correct answer is: Ghost tablet/capsule

The purpose of the Osmotic Release Oral System (OROS) is to release medication over a period of time. This means that the medication is encased in a special pill or capsule that slowly dissolves in the stomach, releasing the medication. This option may be called the "ghost tablet/capsule" because it will appear empty, as the medication is now in the body. Therefore, the most important thing to check for in a patient's stool who is on the OROS is the presence of this "ghost tablet/capsule." The other options, such as undigested food, blood, and worms, would not typically be found in the stool of a patient on the OROS and are therefore incorrect.