Biomedical Engineering MCQs [Quiz 22]

Q1. Which type of electrodes are employed to study the electrical activities of individual cells?
a) milli-electrodes
b) micro-electrodes
c) surface-electrodes
d) pre-jelled electrodes

Q2. Glass micro-capillaries are a type of micro electrode.
a) True
b) False

Q3. Glass microcapillaries are preferred over metallic electrodes because of the former _______
a) polarizes with input current
b) does not have sustainable current carrying capacity
c) has less contact surface area
d) has sustainable current carrying capacity

Q4. Do metallic micro electrodes exist.
a) True
b) False

Q5. Metallic micro electrodes have impedance ________ compared to conventional electrodes?
a) equal
b) smaller
c) high
d) very high

Q6. Which of the following electrode is manufactured by circumferential application of heat to a small area of glass tubing and pulling the glass when it gets soft?
a) macro metallic electrodes
b) micro metallic electrodes
c) micro pipette
d) surface electrodes

Q7. Which of the following metal is preferred for manufacturing micro electrodes?
a) Stainless steel
b) Tungsten
c) Iron
d) Copper

Q8. ________________ are devices which convert one form of energy into another.
a) transducers
b) electrodes
c) impulses
d) opamp

Updated: 21st July 2019 — 3:13 PM

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