Final answer:
A drug taken to induce vomiting is known as an emetic. An emetic triggers the process of emesis, which is controlled by the medulla, resulting in the forceful expulsion of stomach contents through the mouth.
Step-by-step explanation:
A drug taken to induce vomiting is known as an emetic. Emesis, or vomiting, is the process of forcefully expelling contents from the stomach through the mouth, and it can be triggered by various irritants or as a response to certain medical conditions or treatments. An emetic is specifically designed to stimulate the vomiting reflex, which is regulated by the medulla in the brain.
Therefore, among the options provided:
- Diuretic - a drug that increases the production of urine.
- Laxative - a substance that helps stimulate bowel movements.
- Expectorant - a drug that helps clear mucus from the airways.
- Emetic - the correct answer, which is a drug used to induce vomiting.