Arrhythmia and Ambulatory Monitoring Instruments Cardiac Arrhythmias 1. What is used to measure and record BSR and GSR? a) Tape recorder b) Amplifier c) Silver-Silver electrode d) Piezoelectric device Answer: Silver-Silver electrode 2. BSR(Basal skin response) gives ___________ a) activity of sweat glands b) baseline value of skin resistance c) activity of endrocine glands d) baseline value of breathing Answer: baseline value of skin resistance 3. Which of the following instrument is used for measuring the average activity of sweat glands? a) EOG b) ECG c) GSR d) PCG Answer: GSR 4. The BSR output is connected to RC network with time constant of _________________ seconds. a) 1 to 3 b) 3 to 5 c) 5 to 7 d) 7 to 9 Answer: 3 to 5 5. What is employed to measure the variable that is to be controlled by the feedback process? a) Transducers b) Sensing device c) Tape recorder d) Piezo-electric device Answer: Transducers 6. GSR(Galvanic skin response) gives ________________ a) activity of sweat

  Pulmonary Function Analysers Pulmonary Function Measurement 1. _____ accounts for 60% of blood volume. a) Blood cells b) Water c) Carbon Dioxide d) Blood plasma Answer: Blood plasma 2. In which section studies are performed on various body tissues and fluids to determine the presence of pathological micro-organisms? a) Chemistry b) Haemotology c) Microbiology d) Blood Bank Answer: Microbiology 3. Which section deals with the analysis of blood, urine, CSF and other fluids to determine the quantity of various important substance? a) Chemistry b) Haemotology c) Microbiology d) Blood Bank Answer: Chemistry 4. Which of the following is the most common substance for analysis from the body? a) CSF b) Urine c) Blood d) Glucose Answer: Blood 5. Most of the ________ processes result in chemical changes in the internal environment of the human body. a) micromorphological b) pathological c) immunological d) neuropschycological Answer: pathological 6. _____ accounts for 40% of the blood volume. a

  Biomedical Telemetry Biotelemetry 1. Mean Platelet Volume is the ratio of the ___________ and is expressed in femolitres. a) integrated platelet volume to the platelet count b) integrated platelet volume to the WBC count c) integrated RBC volume to the platelet count d) integrated platelet volume to the RBC count Answer: integrated platelet volume to the platelet count 2. To achieve the ______________ required for medical applications, the amplifier must have large values of coupling capacitance. a) random frequency response b) high frequency response c) average frequency response d) low frequency response Answer: low frequency response 3. Currently available oximeters utilize __________ wavelengths. a) Equal to 2 b) Cannot be determined c) Less than 2 d) More than 2 Answer: More than 2 4. What should be the frequency response of the amplifiers that are used for the amplification purpose of the input signal in medical devices? a) high frequency response b) low frequency response c) f

  Patient Monitoring System System Concepts 1. How lead selector selects electrodes? a) one by one b) two by two c) three by three d) four by four Answer: two by two 2. Which machines CMRR is of order of 100-120 dB? a) VCG b) PCG c) EEG d) ECG Answer: ECG 3. ‘Stand by’ mode of operation is generally provided in which instrument? a) VCG b) PCG c) ECG d) EMG Answer: ECG 4. How many paper speeds are necessary for ECG recording? a) One b) Minimum two c) Can be any d) Max two Answer: Minimum two 5. Which of the following instrument records the electrical activity of the heart? a) VCG(Vectorcardiograph) b) PCG(Phonocardiograph) c) ECG(Electrocardiograph) d)EEG(Electroencephalograph) Answer: ECG(Electrocardiograph ) 6. Why is preamplifier used? a) For Amplification b) For Stabilizing effect c) For Reducing effect d) For Modifying effects Answer: For Stabilizing effect 7. What is paper recording speed for routine work? a) 10 mm/s b) 15 mm/s c) 20 mm/s d) 25 mm/s Answer: 20 mm/s 8. Where are po