Amount of gastric juice secreted per day ?
**Core Concept**
The amount of gastric juice secreted per day is related to the **gastrointestinal physiology** and the process of **digestion**. Gastric juice is secreted by the **stomach** and plays a crucial role in breaking down food. The secretion is influenced by various factors, including **hormones** and **nervous stimulation**.
**Why the Correct Answer is Right**
The correct answer is based on the average amount of gastric juice secreted by a healthy individual per day, which is approximately **2.5 liters**. This secretion is essential for maintaining the **acidic pH** necessary for the activation of **pepsinogen** to **pepsin**, an enzyme that breaks down proteins. The secretion is also influenced by the presence of food in the stomach, which stimulates the release of **gastrin**, a hormone that promotes gastric juice secretion.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it underestimates the amount of gastric juice secreted per day.
**Option B:** This option is also incorrect as it overestimates the amount of gastric juice secreted.
**Option D:** Similarly, this option is incorrect as it does not accurately reflect the daily gastric juice secretion.
**Clinical Pearl / High-Yield Fact**
It's essential to remember that the amount of gastric juice secreted can vary depending on several factors, including the presence of food, **stress**, and certain **medical conditions**. Understanding the normal range of gastric juice secretion is crucial for diagnosing and managing conditions related to the **gastrointestinal tract**.
**Correct Answer:** C. 2.5 liters