Rajasthan Polytechnic Third Year Paper 2016 – Biomedical Instrumentation

Rajasthan Polytechnic Third Year Paper 2016 – Biomedical Instrumentation

Each nucleus is surrounded by the
(a) Nucleolus
(b) Electrolytes
(c) Cytoplasm
(d) Lipids

Concentration of water in each cell is
(a) 75 – 85%
(b) 60 – 75%
(c) 70 – 80%
(d) 70 – 85%

Which term indicates the process of changing from the resting potential state to action potential state?
(a) Re-polarization
(b) Propagation rate
(c) De-polarization
(d) Transmission

Wax coated graph sheets are used for recording. Why?
(a) To write easily
(b) To avoid spreading of ink
(c) To improve the constrast
(d) To make good appearance

The heart sounds are recorded by
(a) Electrocardiograph
(b) Endoscope
(c) Phonocardiograph
(d) Angiocardiograph

Artifacts are
(a) Skin crafts
(b) Time varying half cell potential
(c) Radio capsules
(d) Radio noises

EMG waveform appears very much like
(a) Triangular wave
(b) Random noise signal
(c) Irregular wave
(d) Saw tooth wave

The conduction of pulse from SA node to AV node takes
(a) 0.03 seconds
(b) 0.09 seconds
(c) 0.04 seconds
(d) 0.05 seconds

EEG electrodes are _________in size than ECG electrode.
(a) smaller
(b) larger
(c) equal
(d) twice

When heart is in contraction mode the arterial pressure is known as
(a) Systolic pressure
(b) Diastolic pressure
(c) Mean arterial pressure
(d) None of the above