McqMate
| Q. |
Which of the following statement is false about polarizable electrodes? |
| A. | they are made using stainless steel |
| B. | used for recording resting ECG |
| C. | retain a residual charge when exposed to large pulse of energy |
| D. | can transmit small bioelectric signals even after getting exposed to large pulse of energy |
| Answer» D. can transmit small bioelectric signals even after getting exposed to large pulse of energy | |
| Explanation: Polarizable electrodes usually employ stainless steel and are used for resting ECG or other situations where there is small likelihood that the electrode would be exposed to a large pulse of energy (such as defibrillation discharge) in which case they would retain a residual charge, become polarized, and will no longer transmit the relatively small bioelectric signals, thus become useless. | |
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