In medicine, ______ is a device such as a small metal plate or needle that carries electricity from an instrument to a patient for treatment or surgery.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. an electrode
- In medicine, an electrode is a device such as a small metal plate or needle that carries electricity from an instrument to the patient for treatment or surgery.
- It can also carry electrical signals from muscles, brain, heart, skin or other body parts to recording devices to help diagnose certain conditions.
- It transfers the ionic current energy into electrical current in the body.