What is incorrect ?

Options

A. Malignant tumours may invade its surrounding tissue
B. Patients who have undergone surgery are given cannabinoids to relieve pain
C. Benign tumours show metastasis
D. Heroin acclerates body functions and sense of well-being

Answer

To determine which statement is incorrect, let's analyze each option step by step.

### Step-by-Step Solution:

1. **Statement 1: Malignant tumors may invade surrounding tissue.**
- **Analysis:** Malignant tumors are known for their ability to invade surrounding tissues and spread to other parts of the body through a process called metastasis.
- **Conclusion:** This statement is **correct**.

2. **Statement 2: Patients who have undergone surgery are given cannabinoids to relieve pain.**
- **Analysis:** Cannabinoids, derived from the cannabis plant, are indeed used for their analgesic (pain-relieving) properties, especially in post-surgical patients.
- **Conclusion:** This statement is **correct**.

3. **Statement 3: Benign tumors show metastasis.**
- **Analysis:** Benign tumors are typically localized and do not invade surrounding tissues or metastasize to other parts of the body. They can be removed surgically and do not spread like malignant tumors.
- **Conclusion:** This statement is **incorrect**.

4. **Statement 4: Heroin accelerates body functions and sense of well-being.**
- **Analysis:** Heroin is an opiate that can produce feelings of euphoria and well-being. It can also accelerate certain body functions temporarily, although it is highly addictive and has serious health risks.
- **Conclusion:** This statement is **correct**.

### Final Conclusion:
The incorrect statement is **"Benign tumors show metastasis."**