BBMI QUIZ

What is used to pick EOG potentials?

• a) Oscilloscope

• b) Tape Recorder

• c) Surface Electrodes

• d) Preamplifier

Which of the following instrument is used for recording the change in potential when light falls on the eye?

• a) Apexcardiography

• b) Ballistocardiography

• c) Electro-oculography

• d) Electro-retinography

Source of Bioelectric potential is ____________ in nature.

• a) electronic

• b) electric

• c) ionic

• d) mechanical

The principal ion that is not involved with the phenomena of producing cell potentials is ______________

• a) sodium

• b) potassium

• c) chlorine

• d) hydrogen

The variation of the electrical potential associated with the passage of a pulse along the membrane of a muscle cell or a nerve cell is called __________

• a) muscle potential

• b) action potential

• c) resting potential

• d) half cell potential

After a cell is stimulated, a finite period of time is required for the cell to return to its pre-stimulus state. This period is known as ____________

• a) restoration period

• b) refactory period

• c) regain period

• d) regenerative period

Electrooculography (EOG/E.O.G.) is a technique for measuring what?

• a) abnormal function of the retina

• b) heart rate

• c) respiration rate

• d) cornea-retinal standing potential

Surface electrodes damage the living tissues.

• a) True

• b) False

Electrode paste ____________

• a) increases contact impedance

• b) equates contact impedance

• c) reduces contact impedance

• d) absorbs contact impedance

Needle electrode is used to measure ____________

• a) EKG

• b) EEG

• c) EOG

• d) EMG