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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 2 Examinations 2011/
Module Title: Biomedical Devices and Electrotechnology
Module Code: BIOE
School: Mechanical & Process Engineering
Programme Title: BEng in Biomedical Engineering – Year 1 BEng (Hons) Common Entry – Year 1
Programme Code: EBIME_7_Y EOMNI_8_Y
External Examiner(s): Mr Gary Clerkin, Dr Laoise McNamara Internal Examiner(s): Mr Declan Sullivan, Dr Garret McGuinness, Mr Murtagh Murphy
Instructions: Answer any Four questions. All Questions carry equal marks.
Duration: 2 hours
Sitting: Summer 2012
Requirements for this examination:
Note to Candidates: Please check the Programme Title and the Module Title to ensure that you have received the correct examination. If in doubt please contact an Invigilator.
Q1.
(a) Describe the ‘ Anatomical Position .’ (5 marks) (b) The body can be divided up by reference to imaginary planes. Name the three principal planes and explain how these planes are positioned. ( 6 marks)
(c) Explain the terms ‘ Medial ’ and ‘ Lateral ’ in the context of anatomy. ( 4 marks)
(d) ‘Inversion’ and ‘Eversion’ are terms used to describe movement. Clearly explain these movements using a sketch if required. ( 10 marks)
Q2.
(a) Describe the following disorders:
(i) Osteoarthritis (ii) Rheumatoid Arthritis (iii) Avascular Necrosis (6 marks)
(b) When standing up from a seated position, what component of the loading on the femur is most significant in the context of achieving good fixation of an implant? Explain your answer. Use a sketch if required. (9 marks)
(c) Make a sketch illustrating a synovial joint, showing the main features of the structure. Give a brief description of each feature you have identified. (10 marks)
Q4. (a) What is a Brain Aneurysm?
(4 marks)
(b) List the important features of the microcatheter used in coil embolisation. Explain why each is significant. (12 marks) (c) Make a comparison between endovascular coiling and surgical clipping. Quote any relevant studies in your comparison. (9 marks)
Q5.
(a) Explain the difference between static and dynamic effort. Give an example of each. (6 marks) (b) Static effort can be said to be considerable under what circumstances (3 marks) (c) List 4 negative effects of significant static loading on the body. (4 marks) (d) There has been some remarkable research in the field of synthetic biology. Comment on developments you are aware of specifically related to ligament and tendon repair. Support your commentary with reference. (12 marks)
Q6. (a) What is a Kilowatt-Hour?
(4 marks)
(b) Figure Q6 (b) shows part of an electrical circuit.
Figure Q6(b) Calculate:
- Equivalent resistance of the circuit
- The total current flowing through the circuit if the voltage is 12V across AB
- Current in the 1 resistor.
- Voltage across 1 resistor
- Voltage across 4 resistor
(12 marks)
c) An uninsulated 5kW immersion heater takes 75 minutes to raise the temperature of 50 litres of water from 10C to 70C. Calculate the amount of energy lost to the surroundings. What is the annual cost of this energy loss at 16.5c per kWh?
Take specific heat capacity of water = 4200kJ/kg/C 1 litre of water = 1kg. Heat 1 tank of water per day. (9 marks)
