can you translate this in French 134. Which ethical principle in engineering work promotes fair treatment and equal opportunities for all individuals?
A. Transparency
B. Diversity and inclusion
C. Social responsibility
D. Environmental sustainability
Answer: B. Diversity and inclusion

135. How does ethical behavior contribute to the reputation of the engineering profession?
A. It does not impact the profession’s reputation
B. It builds trust with clients and the public
C. It encourages competition among engineers
D. It leads to faster project completion
Answer: B. It builds trust with clients and the public
136. What is the main advantage of using hydrogels as biomaterials?
a) High mechanical strength
b) Low water absorption
c) Biodegradability
d) High biocompatibility
Answer: d) High biocompatibility

137. Which of the following is a ceramic biomaterial commonly used for bone implants?
a) Polyethylene
b) Hydroxyapatite
c) Polylactic acid
d) Collagen
Answer: b) Hydroxyapatite
138. What is the term used to describe the process by which a biomaterial is broken down and absorbed by the body?
a) Degradation
b) Corrosion
c) Erosion
d) Hydrolysis

Answer: a) Degradation

139. Which is the following is not the role of  signal processing in biomedical engineering?
A. To analyze and interpret data collected from biological signals
B. To enhance the quality of medical images
C. To develop new medical devices
D. interconnection of medical devices 
Answer: . interconnection of medical devices
140. What is the sampling frequency of a signal?
A. The number of samples per second
B. The amplitude of the signal per second 
C. The frequency response of the signal per minute 
D. The signal-to-noise ratio
Answer: A. The number of samples per second
141. Which of the following techniques is commonly used in signal denoising?
A. Fourier transform
B. Wavelet transform
C. Kalman filter
D. Markov model
Answer: B. Wavelet transform
142. What is the purpose of impedance spectroscopy in biomedical engineering applications?
A. To measure the electrical activity of the brain
B. To analyze the electrical properties of biological tissues
C. To regulate the flow of blood in the circulatory system
D. To map the genetic code of an individual
Answer: B. To analyze the electrical properties of biological tissues

143. How do electroencephalography (EEG) devices function in the measurement of brain activity?
A. By detecting and amplifying the electrical signals generated by the brain
B. By emitting electromagnetic radiation to stimulate brain neurons
C. By analyzing metabolic processes in brain cells
D. By measuring the temperature of the brain tissue
Answer: A. By detecting and amplifying the electrical signals generated by the brain
144. Which type of electrical circuit is commonly employed in medical devices to convert alternating current (AC) to direct current (DC)?
A. Transistor circuit
B. Rectifier circuit
C. Capacitor circuit
D. Resistor circuit

Answer: B. Rectifier circuit
145. How does a commitment to continuous learning and professional development benefit engineers?
A. It hinders career advancement
B. It ensures outdated practices are maintained
C. It enhances skills and knowledge in the field
D. It  increases  job satisfaction
Answer: C. It enhances skills and knowledge in the field
146. Which ethical principle emphasizes the importance of honesty and truthfulness in engineering work?
A. Collaboration and teamwork
B. Accountability and responsibility
C. Innovation and creativity
D. Communication and transparency
Answer: B. Accountability and responsibility
147. Which of the following is not a common method of modifying the surface properties of biomaterials?
a) Coating
b) Plasma treatment
c) Ion implantation
d) Injection molding
Answer: d) Injection molding
148. Which of the following is not a type of biomaterial degradation mechanism?
a) Chemical degradation
b) Physical degradation
c) Thermal degradation
d) Biological degradation
Answer: c) Thermal degradation
149. Which of the following is not a common application of biomaterials in tissue engineering?
a) Scaffold for cell growth
b) Tissue growing media
c) Artificial organs
d) Orthopedic implants
Answer: b) tissue  growing media 
150. Which of the following is not a characteristic of an ideal scaffold for tissue engineering?
a) Biodegradability
b) Mechanical strength
c) Porosity
d) Non-porous surface

Answer: d) Non-porous surface