Biomedical Instrumentation Mid - I, September - 2014

1.The branch of science that includes the measurement of physiological variables and parameter is known as
  • Biostats
  • biometrics
  • biometer
  • bioscience
Answer: B
2.The output power given by bio amplifier
  • Pout = Vin 2 / Rl
  • Pout = Rl / Vout 2
  • Pout = Rl / V2 in
  • Pout = V2 out / Rl
Answer: D
3.A Human body consists of _____________ cells.
  • 10 trillion
  • 100 billion
  • 100 trillion
  • 20billions
Answer: C
4.The structure of cell maintains with help of _________________.
  • Lysosomes
  • microtubules
  • D N A
  • nucleolus
Answer: B
5.Microfilaments made up of protein called____________
  • actin
  • thiamin
  • glucane
  • all
Answer: A
6.Electrodes in which no net transfer of charge occurs across the metal electrolyte interface are called
  • Imperfectly polarized electrode
  • perfectly polarized electrode
  • Non polarized electrode
  • polarized electrode
Answer: B
7.Electrodes acts as ___________________for BMI instruments.
  • transducers
  • sensors
  • both
  • none
Answer: C
8.The heart pump about ____________of blood for minute
  • 2ltrs
  • 5ltrs
  • 8ltrs
  • 1ltrs
Answer: B
9.The circulatory path for blood flow through the lungs is called_________
  • pulmonary circulation
  • artery circulation
  • systematic circulation
  • all of above
Answer: A
10.The volume of blood ejected per beat from each ventricle is referred as
  • stroke volume
  • end systolic volume
  • end Diastolic volume
  • pulse rate volume
Answer: A
11.The origin of EMG is ____________________
Answer: Skin & Muscles
12.Air flow through lungs & blood flow, through heart &its valves are ___________________signals.
Answer: Bio acoustic
13.Red blood cells _________________in diameter.
Answer: 7micro mtr
14.Vesicles pinched of from Golgi apparatus in cell organells are _____________
Answer: Lysosomes
15.The resting potential of cell is _______________
Answer: -60mv to -100mv
16.The voltage developed at an electrolyte& electrode interface is called as _____________
Answer: Half cell potential
17.Hydrogen, pH, PCO2, PO2 electrodes are_______________ electrodes.
Answer: Bio chemical electrodes
18.The P-wave represents _______________ depolarization.
Answer: Artial
19.During the ventricular systole the pressure in left ventricle reaches up to_________________
Answer: 120mmhg
20.The stroke volume (SV) = ________________
Answer: EDV-ESV=SV