Quiz 1 Generation of Bio Potentials

1.On what nature the source of Bio-electric potential is present?

• Electronic

• Electric

• Ionic

• Mechanical

2.What is meant by Palsied muscles?

• Paralyzed muscles

• Active muscles

• Voluntary muscles

• Involuntary muscles

3.Which ion that is not involved with the phenomena of producing cell potentials?

• Sodium

• Potassium

• Chlorine

• Hydrogen

4.What is the relatively static membrane potential of quiescent cells called?

• Half cell potential

• Action potential

• Resting membrane potential

• Cell potential

5.Electrooculography (EOG) is a technique for measuring what?

• Abnormal function of retina

• Heart rate

• Respiration rate

• cornea-retinal standing potential

6.Phonocardiography is related to what?

• Arm muscle sound

• Lungs sound

• Heart sound

• Respiratory tract sound

7.what type of conversion is performed in the electrode to obtain electronic conduction?

• Electronic conduction

• Ionic conduction

• Electric conduction

• Impulsive conduction

8.Mention the use of electrode paste.

• Increases contact impedance

• Equates contact impedance

• Reduces contact impedance

• Absorbs contact impedance

9.Which of the following is not preferred for electrode making?

• Ag-AgCl

• Copper

• Stainless steel

• Gold

10.Which of the following statement is false about polarizable electrodes?

• they are made using stainless steel

• used for recording resting ECG

• retain a residual charge when exposed to large pulse of energy

• can transmit small bioelectric signals even after getting exposed to large pulse of energy