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Author Question: Anterior wall myocardial infarctions are most often a result of an occlusion of a branch of the ... (Read 96 times)

darbym82

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on: Jun 25, 2018
Anterior wall myocardial infarctions are most often a result of an occlusion of a branch of the _____ coronary artery.
 
  a. left
  b. right

Question 2

An ECG machine's sensitivity must be calibrated so that a 1-mV electrical signal will produce a deflection measuring exactly _____-mm tall.
 
  a. 0.5
  b. 1
  c. 5
  d. 10


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Animal_Goddess

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Reply #1 on: Jun 25, 2018
Answer to Question 1

Thank you soo much

Answer to Question 2

D
The ECG machine's sensitivity must be calibrated so that a 1-mV electrical signal will produce a deflection that measures exactly 10-mm tall. When properly calibrated, a small box is 1-mm high (i.e., 0.1 mV), and a large box, which is equal to five small boxes, is 5 mm high (i.e., 0.5 mV).


darbym82

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Reply 2 on: Jun 25, 2018
Excellent

bblaney

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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