While performing an ECG on a patient, you notice what looks like electrical interference. What steps may assist in correcting the problem?
A) Make certain that the AC filter is turned on.
B) Make certain that the cable and lead wires are not tangled and that they follow the patient's body contour.
C) Unplug electrical equipment in the immediate area and/or move the ECG machine to a different location.
D) All of the above
D
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What reaction breaks molecules into smaller fragments (for example, AB ? A + B)?
A) Exchange reaction B) Reversible reaction C) Decomposition reaction D) Synthesis reaction
Your patient is an infant who has just been delivered 3 weeks before her due date. She is breathing adequately, has a heart rate of 140 beats per minute, and has cyanosis of her face and chest. Which of the following interventions should be done first?
A) Perform ventilations with a bag-valve-mask device and supplemental oxygen. B) Place oxygen tubing near the infant's face at a flow rate of 10 to 12 liters per minute. C) Place a neonatal nonrebreather mask on the infant's face. D) Begin CPR with a compression rate of 120/minute.
Acupressure involves pressure applied with the finger to acupuncture points.
Answer the following statement true (T) or false (F)
The light collected and converted to an electrical signal by the photomultiplier tube (PMT) during CR image sampling is then sent to the ________________ to be digitized
a. ADC (analog-to-digital converter) b. DAC (digital-to-analog converter) c. LUT (lookup table) d. workstation