Podcast
Questions and Answers
Which of the following is the correct definition of a sensor?
Which of the following is the correct definition of a sensor?
- A device that transmits energy from one system to another
- A device that measures electrical signals and quantities
- An element of a measurement device that is affected by the measured quantity
- A device that detects a change in a physical quantity and expresses it as a signal (correct)
Which of the following is an example of a non-electrical quantity that can be measured using a sensor?
Which of the following is an example of a non-electrical quantity that can be measured using a sensor?
- Temperature (correct)
- Resistance
- Voltage
- Current
What is the purpose of a transducer?
What is the purpose of a transducer?
- To convert electrical energy into mechanical energy
- To detect a change in a physical quantity and express it as a signal
- To measure electrical signals and quantities
- To transmit energy from one system to another (correct)
Which of the following is an example of a transducer?
Which of the following is an example of a transducer?
What is the SI system used for in measurements?
What is the SI system used for in measurements?
Which of the following is the correct translation of 'Système international d'unités' in English?
Which of the following is the correct translation of 'Système international d'unités' in English?
What is the main purpose of traceability in the International System of Units?
What is the main purpose of traceability in the International System of Units?
What is the topic of Lecture 3 in the International System of Units?
What is the topic of Lecture 3 in the International System of Units?
Which of the following examples is mentioned in the text as an application of the International System of Units?
Which of the following examples is mentioned in the text as an application of the International System of Units?
What was the significance of the 1st electrocardiograph created in 1903?
What was the significance of the 1st electrocardiograph created in 1903?
What technology allowed for the visualization of small cells in the 1950s?
What technology allowed for the visualization of small cells in the 1950s?
Which technique was developed post-WWII to study the electrical behavior of the central nervous system?
Which technique was developed post-WWII to study the electrical behavior of the central nervous system?
When did the concept of artificial organs gain acceptance?
When did the concept of artificial organs gain acceptance?
Which medical imaging technique was first developed in the 1970s?
Which medical imaging technique was first developed in the 1970s?
What is a key feature of PET scanners in detecting tumors?
What is a key feature of PET scanners in detecting tumors?
Which field developed post-WWII and focused on rehabilitation engineering?
Which field developed post-WWII and focused on rehabilitation engineering?
'Artificial organs' concept gaining acceptance was a milestone after which medical breakthrough?
'Artificial organs' concept gaining acceptance was a milestone after which medical breakthrough?
What technology allowed for surgery using robotics in the 21st century?
What technology allowed for surgery using robotics in the 21st century?
Study Notes
Advances in Biomedical Engineering
- Prosthetic devices are increasingly sophisticated; they can be internal or external, aiming to replace lost functions of the neuro-skeletomotor system.
- Tissue engineering focuses on creating biological tissue or aiding in the repair and growth of existing tissues.
- Stem cell research is pivotal for potentially replacing and regenerating damaged tissues within the body.
Recent Advances in Prosthetics
- Orthopedic Prosthetics include artificial limbs designed to replace human body parts but face challenges in mimicking natural movement.
- The C-Leg is a notable example of an advanced orthopedic prosthetic, notably used by Paralympic sprinter Oscar Pistorius.
- Designing for functionality, rather than direct human mimicry, often proves more effective in prosthetic development.
Neural Prosthetics
- Neural Prosthetics such as the Luke Arm, developed by Dean Kamen, utilize myoelectric signals for operation and are in clinical trial phases.
- These devices can be powered by the human body through electrical signals from external sources or their own power supply.
- Achieving smooth motion in neural prosthetics requires stimulation via electrodes to meet a threshold frequency, especially complex for upper extremities due to fine motor control needs.
Challenges in Prosthetic Development
- The intricate strength and flexibility required for complex hand functions create significant challenges for recreating natural hand movements.
- Lower limbs typically involve simpler joint functions, making prosthetic development less complicated compared to upper limb prosthetics.
Innovations in Tissue Engineering
- Tissue engineering includes manufacturing biological tissues outside (ex vivo) or inside (in vivo) the body to facilitate repair and growth.
- Bio-artificial tissues serve as alternatives to organ transplants and assist in studying tissue behavior under laboratory conditions.
- Improved control over cell organization and regeneration enhances the potential applications of bio-artificial tissues, including joint replacements and liver cancer treatment.
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Description
Test your knowledge on measurement and instrumentation with this quiz! Covering topics such as sensors, SI-system, uncertainty in measurements, electrical and non-electrical quantities, and more. Perfect for ELEG 323 students.