BMED440 Final Exam Concepts

We refer to a tissue in which the electrical properties are the same in all directions as being electrically _____

We refer ti a tissue in which the electrical properties are the same in different regions of the tissue as being electrically _____

An electrocorticogram falls under the category of EEG recordings where the electrodes are on the surface of the _____

The dominant frequency of a normal EEG is

Which type of epilepsy may not be apparent symptomatically?

In the Fluorescence Optical pH Sensor that was discussed in class, what characteristic of the emission and absorption spectra of the pH sensitive fluorescent dye allows for the use of the same optical fiber to conduct the excitation as well as the fluorescent light?

Which of the following is incorrect when describing a posistor?

• Broad Spectrum Emitter

• Resistive Transducer

• Linear Resistance vs. Temperature Characteristic for Biological Temperature Range

• Constructed from ceramic material

For a strain gage, is it desirable to use a material that exhibits a relatively large resistance change with temperature?

• Yes

• No

Is a thermistor a linear or non-linear thermoresistive transducer?

• Linear

• Non-linear

The type and size of the electrodes should be determined by

• the biological event being detected

• the anatomical location of the event being detected

• the dimensions of the bioelectric generator

• the surface in which the electrode will be sitting on