Select the correct statement from the ones given below

Options

A. Barbiturates when given to criminals make them tell the truth
B. Morphine is often given to persons who have under gone surgery as a pain killer
C. Chewing tobacco lowers blood pressure and heart rate
D. Cocaine is given to patients after surgery as 1t stimulates recovery

Explanation

**Step-by-Step Solution:**

1. **Understanding the Statements:**
- We have four statements to analyze:
1. Barbiturates make criminals tell the truth.
2. Morphine is a strong sedative and used as an analgesic.
3. Chewing tobacco lowers blood pressure.
4. Cocaine is a natural stimulant that stimulates the nervous system and delays fatigue.

2. **Analyzing Statement 1:**
- Barbiturates are sedatives that can induce sleep but do not guarantee that someone will tell the truth. This statement is incorrect.

3. **Analyzing Statement 2:**
- Morphine is indeed a strong painkiller (analgesic) used to relieve pain, especially during surgeries. This statement is correct.

4. **Analyzing Statement 3:**
- Chewing tobacco actually increases adrenaline levels, which in turn raises blood pressure and heart rate. Therefore, this statement is incorrect.

5. **Analyzing Statement 4:**
- Cocaine is classified as a natural stimulant that stimulates the nervous system and can delay fatigue. This statement is correct.

6. **Conclusion:**
- Among the statements analyzed, the correct one is that morphine is a strong sedative and used as an analgesic.

**Final Answer:**
The correct statement is: Morphine is a strong sedative and used as an analgesic.

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