Instrumentation amplifier Study guides, Class notes & Summaries

5-136 At what rate do skin cells exfoliate from OR personnel? A- 10,000 cells per hour B- 20,000 cells per hour C- 50,000 cells per hour D- 30,000 cells per hour - Answer- C- 50,000 cells per hour 5-214 When is it most appropriate to alert the surgeon of a problem with the monitoring? A- When any change occurs B- After a loss of 30% and 5% latency C- After all waveforms are lost D- After a loss of 55% amplitude - Answer- D- After a loss of 55% amplitude ...

ANASTAMOSIS? - Answer- -CONNECTION or opening BETWEEN two things (especially cavities or passages) that are normally diverging or branching, such as between blood vessels. -COMMUNICATION BETWEEN ARTERIES What causes the most airborne bacteria in OR? a. blood on gown b. blood spill c. skin shed d. patient vent - Answer- c. skin shed Nerve that innervates 4th and 5th fingers? - Answer- Ulnar Nerve Problem with Bilateral Synchronus Stim? - Answer- Can mask unilateral problems No ...

EEG 206 Instrumentation Part I Differential Amplifier, Montage Design & Filters Which of the following formulas expresses Ohm's Law? (select all that are correct) - ANSWER R=E/I E=IR I=E/R In Ohms Law, (named for nineth century German physicist George Simon Ohm, who derived it, E represents _______, I represents ______ and R represents _____. - ANSWER Voltage, Current, Resistance A capacitor is a device that _______. - ANSWER stores an electric charge Why is "Impedance" used t...

Ampere - Answer The basic unit for measuring current flow is____. c weight b.Coulomb c.Volt d.Ampere Ohm - Answer The basic unit of resistance is____. a.Ohm b.Coulomb c.Ampere d.Volt R = E I or (R = V I) - Answer Which of the following is not a valid expression of Ohm's law? (in this equation E (electromotive force) is the dame as V (Voltage) a. R = E I or (R = V I) b. E = I R or (V = I R) c. I = E / R or (I = V/R) d. R = E / I or (R = V/ I) Volts - Answer Which of th...

ET ASNT level 1 Questions Answers, Graded A+ I. A test specimen used as a basis for calibrating test cquipment or as a comparison when evaluating test results is referred to as a: a. null-balancer b. phase shifter . C. reference standard d. high pass filter .C. reference standard In an eddy current testing situation, which of the following can provide sources of noise? a. instrumentation electronic circuits b. nonspecific variations within the test object c. electrical interferen...

CLTM LTM EEG Instrumentation and TechnologyLTM requirements for minimum storage - correct answer 30 GB or 24 hrs video minimum number of channels recommended for ambulatory EEG (ACNS) - correct answer 8 channels number of channels recommended for LTM (ACNS) - correct answer 32-64 ACNS Guideline 12 - correct answer Guidelines for LTM in Epilepsy illumination required for low-light monochrome video (ACNS) - correct answer 0.03 foot candles illumination required for silicon intensifi...

ANASTAMOSIS? - ANSWER--CONNECTION or opening BETWEEN two things (especially cavities or passages) that are normally diverging or branching, such as between blood vessels. -COMMUNICATION BETWEEN ARTERIES What causes the most airborne bacteria in OR? a. blood on gown b. blood spill c. skin shed d. patient vent - ANSWER-c. skin shed Nerve that innervates 4th and 5th fingers? - ANSWER-Ulnar Nerve Problem with Bilateral Synchronus Stim? - ANSWER-Can mask unilateral problems No N20 ...

If the VIIIth nerve were transected, you would get A- No change B- Increased I-III latency C- Loss of wave III - V D- Absence of all waves I-V - Answer- D- Absence of all waves I-V Epidural electrodes should be placed: A- Inside the spinal cord B- Between the dura and the spinal cord C- Above the dura D- Above the lamina - Answer- C- Above the dura Early changes to CMAPs, during the exposure of CN VII, are most likely due to: A- an increase in inhalation agents B- severe bl...

Resting membrane potential is created by differences between the inside and outside of the cell in ion concentrations of 1. K+ 2. K+ and Ca++ 3. K+, Na+ and Cl- 4. Na+, Ca++ and Cl- - ANSWER-K+, Na+, and Cl- Excitation of the postsynaptic neuron is caused by the neurotransmitter 1. gamma amino butyric acid 2. glycine 3. para amino butyric acid 4. glutamate - ANSWER-Glutamate Wave III of the BAER is generated by the 1. superior olivary complex 2. inferior colliculus 3. late...

collection of electrode derivations used in a sleep study is called a: - Answer- montage Which of the following terms describes external or environmental time cues? - Answer- Zeitgeber. At what percentage of the distance from the nasion to the onion is Fz located up from the nasion? - Answer- 30 % Which of the following techniques best promotes patient compliance with PAP therapy? - Answer- Management of interface problems and leaks, and nasal congestion and airway dryness. During st...