**Core Concept**
The question is testing the understanding of the physiological response to pain and stress in patients with cardiovascular disease. The body's "fight or flight" response, mediated by the sympathetic nervous system, can lead to increased heart rate, blood pressure, and myocardial oxygen demand, which can precipitate angina in patients with coronary artery disease.
**Why the Correct Answer is Right**
During tooth extraction, the patient experiences pain and stress, triggering a sympathetic response that increases heart rate and blood pressure. This increase in myocardial oxygen demand can precipitate angina in patients with coronary artery disease, particularly if they have a history of myocardial infarction or significant stenosis of the coronary arteries. The release of catecholamines, such as adrenaline, also contributes to the increase in heart rate and blood pressure, further exacerbating the angina.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is not provided, so we cannot evaluate its correctness.
* **Option B:** This option is also not provided, so we cannot evaluate its correctness.
* **Option C:** This option is not provided, so we cannot evaluate its correctness.
* **Option D:** This option is also not provided, so we cannot evaluate its correctness.
**Clinical Pearl / High-Yield Fact**
In patients with cardiovascular disease, it is essential to manage pain and stress effectively to prevent precipitating angina. This can be achieved through the use of local anesthesia, sedation, or other pharmacological interventions.
**Correct Answer:**
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Free Medical MCQs Β· NEET PG Β· USMLE Β· AIIMS
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