Biomedical Engineering (Multi-Choice Questions) - Technical Skill Test and Objective Type Questions

1. DEPARTMENT OF BIOMEDICAL ENGINEERING Technical Skill Development
MATHANKUMAR.S, ASSO PROF & HOD/BME & EIE Page 1
VINAYAKA MISSIONS UNIVERSITY
Vinayaka Mission’s Kirupananda Variyar Engineering College
SALEM – 636 308
Department Biomedical Engineering Batch
Academic Year 2014 – 2015 Semester
Objective Technical Test – Objective Type (Biomedical )
Name of the Student Register Number
Date Timing
Q1. An organ is made of several types of _____.
a. tissue b. molecules c. cell d. All of the above
Q2. What device is similar to an RTD but has a negative temperature coefficient?
a. Strain gauge b. Thermistors c. Negative-type RTD d. Thermocouple
Q3. X-rays and Gamma rays are a form of:
a. Light b. Particle radiation c. Electromagnetic radiation d. Both B and C
Q4. Thoracic'' refers to the _____
a. hip b. thigh c. chest d. breast
Q5. The _____ system picks up fluid 'leaked' from the blood vessels and returns it to the blood.
a. digestive b. respiratory c. lymphatic d. urinary
Q6. The resistive change of a strain gauge
a. is based on the weight placed upon it, but can be many thousands of ohms
b. is usually no more than 100 omega.
c. is based on the gauge factor, but is typically less than an ohm
d. has a positive temperature coefficient
Q7. What is cancer of the bone marrow stem cells that produce white blood cells called?
a. lymphoma b. sarcoma c. leukemia d. carcinoma
Q8. Temperature sensing can be achieved by the use of
a. Thermocouples b. RTDs c. thermistors d. All of the above

2. DEPARTMENT OF BIOMEDICAL ENGINEERING Technical Skill Development
MATHANKUMAR.S, ASSO PROF & HOD/BME & EIE Page 2
Q9. Glycogenolysis is _____.
a. the breakdown of glycogen to glucose b. synthesis of glucose
c. synthesis of glucose from amino acids d. All of the above
Q10. A Hall Effect sensor
a. exists only in theory b. is a non-contacting magnetic sensor
c. can operate only a few times before failure d. produces very large voltages
Q11. DNA can be sequenced by the
a. chemical method b. chain termination procedure
c. both (a) and (b) d. physical method
Q12. The purpose of compensation for a thermocouple is
a. to decrease temperature sensitivity b. to increase voltage output
c. to cancel unwanted voltage output of a thermocouple d. used for high-temperature circuits
Q13. Genes that play a role in uncontrolled cell growth are known as:
a. Tumor genes b. Growth genes c. Oncogenes d. Protogenes
Q14. The output voltage of a typical thermocouple is
a. Less than 100 mV b. Greater than 1 V
c. Thermocouples vary resistance, not voltage. d. None of the above
Q15. _____ are excitable cells that transmit electrical signals.
a. myelin sheath b. Nephrons c. Neurons d. Glial cells
Q16. What is the moving part of a linear variable differential transformer?
a. Primary b. Secondary c. Diaphragm d. Core
Q17. The most serious form of skin cancer is:
a. Benign b. Malignant c. Basal d. Squamous
Q18. What causes the piezoelectric effect?
a. Heat or dissimilar metals b. Pressure on a crystal c. Water running on iron d. A magnetic field
Q19. The amount of contrast in a radiograph can be affected by:
a. The latitude of the film. b. Processing conditions. c. Amount of exposure. d. Film-screen contact.
Q20. Where in a eukaryotic cell, DNA can be found?
a. Nucleus b. Mitochondrion c. Vacuole d. Both (a) and (b)
Q21. A transducer's function is to:
a. Transmit electrical energy b. Convert energy
c. Produce mechanical energy d. Prevent current flow

3. DEPARTMENT OF BIOMEDICAL ENGINEERING Technical Skill Development
MATHANKUMAR.S, ASSO PROF & HOD/BME & EIE Page 3
Q22. MRI stands for
a. Medical Research Instructions b. Magnetic Resolution Imaging
c. Magnetic Resonance Imaging d. Both (b) and (c)
Q23. Match the following biomedical instrumentation techniques with their applications
P : Otoscopy U : Respiratory volume measurement
Q : Ultrasound Technique V : Ear diagnostics
R : Spirometry W : Echo-cardiography
S : Thermodilution Technique X : Heart volume measurement
(A) P-U, Q-V, R-X, S-W (B) P-V, Q-U, R-X, S-W (C) P-V, Q-W, R-U, S-X (D) P-V, Q-W, R-X, S-U
Q24. The primary x-ray beam penetration (percent) through a patient can be increased by
increasing the:
a. KV b.MAS c. Filtration d. Beam area
Q25. _____is an electrical pulse generator that starts or maintains the normal heart rhythm
a. defibrillator b. Pacemaker c. hemodialysis d. lithotripsy
Q26. Select the types of defibrillator
a. Synchronous DC b. Double square pulse c. Biphasic DC d. All of the above
Q27. The graphic record of the heart sound is called
a. Phonocardiogram b. photoplethesmography c. hemodialysis d. lithotripsy
Q28. The voltage developed at an electrode-electrolyte interface is known as
a. Resting potential b. Electrode Potential. c. action potential d. polarized potential
Q29. MRI machines are calibrated in ____ Units
a. Power b. Tesla c. pressure d. hertz
Q30. The selectivity of an ion-selective electrode is determined by the:
a. properties of the membrane used b. solution used to fill the electrode
c. magnitude of the potential across the membrane d. internal reference electrode
Q31. In an electrolytic cell the electrode at which the electrons enter the solution is called
the ______; the chemical change that occurs at this electrode is called _______.
a. anode, oxidation b. anode, reduction c. cathode, oxidation d. cathode, reduction
Q32. Properties of the tissue
a. Refraction b. scattering c. absorption d. All of the above

4. DEPARTMENT OF BIOMEDICAL ENGINEERING Technical Skill Development
MATHANKUMAR.S, ASSO PROF & HOD/BME & EIE Page 4
Q33. In pulmonary hypertension:
a. Most patients present acutely b. Ankle swelling is an early physical sign
c. There is a familial form of the disease d. It is rarely associated with other diseases.
Q34. PET stands for
a. Polyethylene Terephthalate b. Personal Electronic Transactor
c. Positron emission tomography d. Photon emission tomography
Q35. Ventilators are primarily used in
a. intensive care medicine b. home care c. emergency medicine d. All of the above
Q36. _______interpretation of the electrical activity of the heart
a. Electrocardiogram b. Electroencephalography c. Electromyography d. All of the above
Q37. Which of the following is acronym for fmri
a. frequency mri b. functional mri
c. Full mri d. Functional mental radioactive imaging mri.
Q38. EMG measures
a. electrical activity of the heart b. electrical activity of the brain
c. electrical activity of the visual cortex d. electrical activity of the muscle
Q39. When EEG came in to force
a. 29 March 2000 b. 22 may 2002 c.19 June 2001 d. 05 January 2000
Q40. The blood plasma is composed by:
a. Blood cells
b. Platelets
c. A solution of water, salts, protein, substances transported by blood
d. Blood cells and platelets
Total Number of Questions Actual Marks Acquired Marks
40 (Each Question Carry ONE Mark) 40
Name of the Tutor with Designation
Signature of the Tutor with date