**Core Concept:** Alcohol withdrawal syndrome (AWS) is a potentially life-threatening condition that occurs in patients who abruptly stop consuming alcohol after long-term dependence. Benzodiazepines, such as diazepam, are commonly used to manage AWS via the modulation of gamma-aminobutyric acid (GABA) receptors. A loading dose is a high initial dose given to achieve rapid therapeutic levels.

**Why the Correct Answer is Right:** The correct answer provides the loading dose of diazepam for alcohol withdrawal. Diazepam is a benzodiazepine that acts on GABA receptors, reducing the excitability of neurons and providing symptomatic relief in patients with AWS. A loading dose is given to reach therapeutic levels quickly.

**Why Each Wrong Option is Incorrect:**

A. **Incorrect option**: The loading dose should be high to achieve rapid therapeutic levels, but 10 mg is not a typical dose for AWS management.

B. **Incorrect option**: 10 mg is too low to be effective in managing AWS symptoms and may not reach therapeutic levels quickly enough.

C. **Incorrect option**: 20 mg is too high and may cause adverse effects without necessarily providing faster symptom relief compared to a lower dose.

D. **Incorrect option**: 5 mg is too low to be effective in managing AWS symptoms and may not reach therapeutic levels quickly enough.

**Clinical Pearl:**

A loading dose of 10 mg is commonly used for diazepam administration in AWS management. This ensures rapid symptom relief while minimizing the risk of adverse effects caused by high doses.

**Correct Answer:** D. 10 mg

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**Core Concept:** Loading dose of diazepam for alcohol withdrawal

**Why the Correct Answer is Right:** The correct answer provides the appropriate loading dose of diazepam for managing alcohol withdrawal symptoms. A loading dose helps achieve rapid therapeutic levels and provides quick symptom relief.

**Why Each Wrong Option is Incorrect:**

A. **Incorrect option**: A 5 mg loading dose is too low to effectively manage AWS symptoms and may not reach therapeutic levels quickly enough.

B. **Incorrect option**: A 15 mg loading dose is excessive and may cause adverse effects without providing faster symptom relief compared to a lower dose.

C. **Incorrect option**: A 20 mg loading dose is too high and may cause adverse effects without providing faster symptom relief compared to a lower dose.

D. **Correct option**: A 10 mg loading dose is an appropriate choice that ensures rapid symptom relief and minimizes the risk of adverse effects due to high doses.

**Clinical Pearl:**

A loading dose of 10 mg is a commonly used and safe choice for administering diazepam in the context of alcohol withdrawal management. This dosage ensures rapid symptom relief while minimizing the risk of adverse effects associated with high doses.