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answers) plus rationales Q &A
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1. What is the primary goal of Biomedical Engineering?
A. Design buildings
B. Apply engineering principles to medicine and biology
C. Manufacture automobiles
D. Develop computer games
Answer: B
Rationale: Biomedical engineering combines engineering, biology, and medicine to
improve healthcare through devices, systems, and treatments.
2. Which discipline is most closely integrated with Biomedical Engineering?
A. Medicine
B. Agriculture
C. Accounting
D. Marketing
Answer: A
Rationale: Biomedical engineering bridges engineering and medical sciences to
solve healthcare problems.
3. Which biomedical signal is associated with heart activity?
,A. EEG
B. ECG
C. EMG
D. EOG
Answer: B
Rationale: ECG (Electrocardiogram) records the electrical activity of the heart.
4. Which material is commonly used in orthopedic implants?
A. Titanium
B. Wood
C. Paper
D. Rubber
Answer: A
Rationale: Titanium possesses excellent strength, corrosion resistance, and
biocompatibility.
5. Biocompatibility refers to:
A. Material color
B. Ability to generate electricity
C. Ability to perform safely within the body
D. Manufacturing cost
Answer: C
Rationale: A biocompatible material functions appropriately without causing
harmful biological reactions.
6. Which imaging modality uses magnetic fields?
,A. X-ray
B. MRI
C. CT
D. Ultrasound
Answer: B
Rationale: MRI utilizes powerful magnetic fields and radiofrequency waves to
produce images.
7. What does EEG measure?
A. Muscle activity
B. Heart activity
C. Brain activity
D. Blood pressure
Answer: C
Rationale: EEG records electrical signals generated by the brain.
8. Which law relates voltage, current, and resistance?
A. Newton's Law
B. Boyle's Law
C. Ohm's Law
D. Hooke's Law
Answer: C
Rationale: Ohm's Law states V = IR.
9. What is the SI unit of pressure?
, A. Newton
B. Pascal
C. Joule
D. Watt
Answer: B
Rationale: Pressure is measured in Pascals (Pa), equal to N/m².
10. Which engineering field contributes significantly to prosthetic design?
A. Mechanical Engineering
B. Culinary Arts
C. Journalism
D. Economics
Answer: A
Rationale: Mechanical engineering principles are applied to movement, force, and
structural design of prosthetics.
11. The basic functional unit of life is the:
A. Organ
B. Cell
C. Tissue
D. System
Answer: B
Rationale: Cells are the smallest structural and functional units of living organisms.
12. Which biomaterial category includes polyethylene?