This set of Biomedical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Electrodes for EMG”. 1. Which of the following is a preferred electrode for measuring EMG? a) surface electrodes b) needle electrodes c) pregelled electrodes d) scalp electrodes 2. Generally what is the material of needle electrodes? a) stainless steel b) copper c) … Read more
This set of Biomedical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Electrodes for ECG”. 1. The material used in limb surface electrode is ___________ a) German silver b) Copper c) Gold d) Platinum 2. Welsh cup electrodes have __________ a) low contact impedance b) negligible contact impedance c) high contact impedance d) zero … Read more
This set of Biomedical Instrumentation Interview Questions and Answers focuses on “Silver-Silver Chloride Electrodes”. 1. On increasing the chloride deposit the Ag-AgCl electrode ______________ a) increases the impedance b) reduces impedance c) has no effect on impedance d) cannot be determined 2. Ag-AgCl electrodes are ___________ a) polarized b) non-polarized c) partially polarized d) cannot … Read more
This set of Biomedical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Recording Electrodes”. 1. Electrodes make a transfer from the __________ in the tissue to the electronic conduction which is necessary to make measurements. a) electronic conduction b) ionic conduction c) electric conduction d) impulsive conduction 2. Surface electrodes damage the living tissues. … Read more
This set of Biomedical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Origin of Bioelectric Signals”. 1. Source of Bioelectric potential is ____________ in nature. a) electronic b) electric c) ionic d) mechanical 2. Palsied muscles mean _____________ a) paralyzed muscles b) active muscles c) voluntary muscles d) involuntary muscles 3. The principal ion … Read more
