Final answer:
An irrigating syringe with a bulb and a barrel is used to irrigate the ear.
Step-by-step explanation:
The correct answer is A) It is used to irrigate the ear.
An irrigating syringe with a bulb and a barrel is specifically designed for ear irrigation, which is the process of flushing the ear with a liquid solution to remove excess earwax or foreign objects. The bulb of the syringe is used to create pressure and push the liquid into the ear canal, while the barrel holds the solution. This type of syringe is commonly used in medical settings to perform ear irrigation procedures.