Directions: Read the following information and answer the given question.

Ria’s mother is suffering from high blood pressure. She went along with her mother to the hospital during her routine check up. She noticed that doctor is using a device to record blood pressure but she couldn’t recall its name. Immediately after reaching her home, she opened her textbook and found out the device’s name and told her mother to abstain from diet rich in oil and fats.

Which of the following is the correct name of the device used to record blood pressure?