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The problem contains two parts based on the following details:

1. A woman weighing 114 pounds drinks two glasses of wine, with each glass containing about 18 grams of alcohol.
2. Her total blood volume is 4 liters (4000 mL).
3. Part (a) discusses the absorption of alcohol, while part (b) asks to compute her blood alcohol content (BAC) three hours after drinking, assuming the body metabolizes alcohol at 9 grams per hour.

### Part (b) Step-by-Step Calculation:
To calculate her blood alcohol content (BAC) after 3 hours, we can proceed with the following steps:

1. **Determine the total amount of alcohol consumed**: 
   \[
   \text{Total alcohol} = 2 \times 18 \text{ grams} = 36 \text{ grams of alcohol}.
   \]

2. **Calculate how much alcohol her body metabolizes in 3 hours**: 
   \[
   \text{Alcohol metabolized} = 9 \text{ grams/hour} \times 3 \text{ hours} = 27 \text{ grams}.
   \]

3. **Find the remaining alcohol in her body after 3 hours**:
   \[
   \text{Remaining alcohol} = 36 \text{ grams} - 27 \text{ grams} = 9 \text{ grams}.
   \]

4. **Convert the 4 liters of blood into deciliters (dL)** (since BAC is typically measured in grams per 100 mL, and 1 dL = 100 mL):
   \[
   4 \text{ liters} = 40 \text{ deciliters (dL)}.
   \]

5. **Calculate the BAC** using the formula:
   \[
   \text{BAC} = \frac{\text{Remaining alcohol}}{\text{Total blood volume (in dL)}} = \frac{9 \text{ grams}}{40 \text{ dL}} = 0.225 \text{ grams per dL}.
   \]

Thus, her BAC 3 hours after drinking the wine would be **0.225 grams per 100 mL**.

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### 5 Related Questions:
1. How does body weight affect blood alcohol concentration (BAC)?
2. How long does it take for alcohol to completely leave the bloodstream after consumption?
3. What are the health risks of having a BAC over the legal limit?
4. How does the body metabolize alcohol, and what factors can affect the rate of metabolism?
5. Why is BAC measured in grams per 100 mL, and how does this relate to intoxication levels?

### Tip:
Drinking on an empty stomach can lead to faster alcohol absorption, resulting in a higher peak BAC.

A typical glass of wine contains about 18 grams of alcohol. Consider a 114-pound woman, with approximately 4 liters (4000 milliliters) of blood, who drinks two glasses of wine. Complete parts (a) and (b) below. Part (b) involves assuming the body eliminates alcohol at 9 grams per hour, and the task is to calculate her blood alcohol content 3 hours after drinking.

Learn how to calculate blood alcohol content (BAC) for a 114-pound woman who drinks two glasses of wine and metabolizes alcohol at 9 grams per hour. Detailed step-by-step calculation of BAC after 3 hours, based on total blood volume and alcohol consumption.

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