17 Questions
What is the primary assumption in indirect measurement mode?
The relationship between the measurands is already known
What is the primary function of a sensor in a general instrumentation system?
To convert energy or information from the measurand to another form
Which principle of transduction is used in ECG measurement?
Electrical conduction
Which of the following is an example of an organ system application of biomedical instruments?
Cardiovascular
What is the purpose of the dashed lines in the diagram of a general instrumentation system?
To indicate the optional elements and connections
Which of the following resources is useful for learning about circuits and electronics?
MIT OpenCourseWare: Circuits and Electronics
What is the difference between biomedical instruments and conventional instruments?
Source of signals is living tissue
What is the advantage of using LTspice simulator for circuit design?
It is freely available and easy to use
What is the term for the difference between the true value and the measured value divided by the true value?
Accuracy
What is the primary function of the processing component in a general instrumentation system?
To process the signal from the sensor
What is the term for the number of distinguishable alternatives from which a given result is selected?
Precision
What is the term for a physical quantity, property, or condition that a system measures?
Measurand
What type of sensor should respond to a specific form of energy in the measurand?
Selective
What is the purpose of signal conditioning in biomedical systems?
To amplify and filter the signal acquired from the sensor
What type of measurand is measured through the extraction of tissue samples, blood analysis, or biopsy?
Offline
What is the primary advantage of using direct mode measurement in biomedical systems?
It measures the desired measurand directly
What is the purpose of calibration in signal conditioning?
To adjust the output to match the parameter measured
Test your knowledge on biomedical instruments, direct and indirect measurement techniques, and their applications in various organ systems and clinical specialties. Covering topics such as transduction principles, measurands, and invasive procedures.
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