Carotid labyrinth contains

Options

A. Olfactoreceptors
B. Baroreceptors
C. Chemoreceptors
D. Phonoreceptors

Answer

**Step-by-Step Solution:**

1. **Understanding the Carotid Labyrinth**: The carotid labyrinth is a vascular structure located at the bifurcation of the common carotid artery. It plays a crucial role in sensing various physiological parameters.

2. **Identifying the Receptors**: The question asks which receptors are found in the carotid labyrinth. We need to evaluate the given options one by one.

3. **Evaluating the Options**:
- **Option 1: Olfactory Receptors**: These receptors are primarily responsible for the sense of smell. They are not found in the carotid labyrinth.
- **Option 2: Baroreceptors**: These are specialized receptors that detect changes in blood pressure. They are indeed located in the carotid labyrinth and play a vital role in monitoring blood pressure and sending this information to the brain.
- **Option 3: Chemoreceptors**: These receptors respond to chemical stimuli, such as changes in blood pH or gas concentrations. They are not present in the carotid labyrinth.
- **Option 4: Phonoreceptors**: These receptors are involved in the perception of sound. They do not exist in the carotid labyrinth.

4. **Conclusion**: After evaluating all the options, the correct answer is that the carotid labyrinth contains **Baroreceptors**.

**Final Answer**: The carotid labyrinth contains Baroreceptors.

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