Find the number of correct math in the following :
I. Cancer : cells loose contact inhibition
II. Crack or coke : Usually snorted
III. Hashish : A cannabinoid
IV. Smoking : causes lymphoma
V. Hepatitis B : Transmitted by sexual contact and needles.

Options

A. Five
B. Four
C. Three
D. Two

Answer

To solve the question, we need to analyze each of the statements provided and determine whether they are correct or not. We will go through each statement one by one.

### Step 1: Analyze the statements

1. **Cancer: cells lose contact inhibition**
- This statement is **correct**. Cancer cells do lose contact inhibition, which allows them to grow uncontrollably.

2. **Crack or coke: Usually snorted**
- This statement is **incorrect**. Crack cocaine is typically smoked, not snorted.

3. **Hashish: A cannabinoid**
- This statement is **correct**. Hashish is derived from cannabis and contains cannabinoids.

4. **Smoking: causes lymphoma**
- This statement is **correct**. Smoking is a known risk factor for various types of cancer, including lymphoma.

5. **Hepatitis B: Transmitted by sexual contact and needles**
- This statement is **correct**. Hepatitis B can be transmitted through sexual contact and sharing needles.

### Step 2: Count the correct matches

Now, we will count the number of correct statements:
- Correct statements: 1 (Cancer) + 1 (Hashish) + 1 (Smoking) + 1 (Hepatitis B) = 4 correct statements.
- Incorrect statements: 1 (Crack or coke).

### Conclusion

The total number of correct matches is **4**.

### Final Answer

The number of correct matches is **4**.

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