Biomedical Transducer and Instrumentation

Which of the following is the primary function of a pacemaker?
(i) To stimulate muscle contractions
(ii) To regulate the electrical activity of the heart
(iii) To provide artificial breathing
(iv) To monitor blood pressure

What is the main purpose of a wearable health monitoring device?
(i) To track vital health parameters such as heart rate, BP and oxygen levels
(ii) To administer drugs intravenously
(iii) To stimulate nerves for pain relief
(iv) To monitor brain activity in real-time

Explain the principles and working mechanisms of therapeutic devices such as pacemakers and defibrillators. How do these devices assist in cardiac rhythms and what are the critical factors to consider in their design and use?

Write Short notes on: Role of drug delivery systems, including infusion pumps, in medical treatments