Which one of the following statement is correct ?

Options

A. Malignant tumours may exhibit metastasis
B. Patients who have undergone surgary are given cannabinoids to relieve pain.
C. Benign tumours show the preoperty of metastasis
D. Heroin accelerates body functions.

Answer

To determine which statement is correct, we need to analyze each option provided in the question.

### Step-by-Step Solution:

1. **Understanding Tumors**:
- Tumors are abnormal growths of tissue that arise when cells lose their normal regulatory mechanisms. They can be classified into two main types: benign and malignant tumors.
- **Benign tumors** are non-cancerous and do not spread to other parts of the body.
- **Malignant tumors**, on the other hand, are cancerous and can invade nearby tissues and spread to other parts of the body through the bloodstream (a process known as metastasis).

2. **Analyzing the Statements**:
- **Statement 1**: "Malignant tumors may exhibit metastasis."
- This statement is true. Malignant tumors have the ability to spread to other parts of the body through the bloodstream.

- **Statement 2**: "Patients who undergo surgery are given cannabinoids."
- This statement is misleading. While cannabinoids may be used for pain management in some contexts, they are not standard practice for all surgical patients and are not typically given immediately after surgery.

- **Statement 3**: "Benign tumors show the property of metastasis."
- This statement is false. Benign tumors do not exhibit metastasis; they remain localized and do not spread to other tissues.

- **Statement 4**: "Heroin accelerates body function."
- This statement is incorrect. Heroin is an opioid that depresses the central nervous system and does not accelerate body functions; it can lead to decreased respiratory function and other harmful effects.

3. **Conclusion**:
- After analyzing all the statements, the only correct statement is **Statement 1**: "Malignant tumors may exhibit metastasis."

### Final Answer:
The correct statement is: **Malignant tumors may exhibit metastasis.**

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