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Biology-Related Homework Help Nursing and Clinical Topic started by: svanschaik on Mar 1, 2018



Title: A standard 12-lead ECG provides views of the heart in _____.
Post by: svanschaik on Mar 1, 2018
A standard 12-lead ECG provides views of the heart in _____.
 
  a. the frontal plane only
  b. the sagittal plane only
  c. the horizontal plane only
  d. both the frontal and the horizontal planes

Question 2

When the left ventricle contracts, freshly oxygenated blood flows through the _____ valve into the _____.
 
  a. aortic; aorta
  b. mitral; right atrium
  c. tricuspid; right ventricle
  d. pulmonic; pulmonary arteries

Question 3

In the heart's conduction system, the _____ receive(s) an electrical impulse from the right and left bundle branches and relay(s) it to the ventricular myocardium.
 
  a. AV node
  b. SA node
  c. Purkinje fibers
  d. atrial pacemaker cells

Question 4

What is meant by the term pulseless electrical activity (PEA)?

Question 5

Where should the positive electrode for lead V5 be positioned?
 
  a. Right side of the sternum, fourth intercostal space
  b. Left midaxillary line at the same level as V4
  c. Left side of the sternum, fourth intercostal space
  d. Left anterior axillary line at the same level as V4

Question 6

In the heart's conduction system, the _____ receive(s) an electrical impulse from the bundle of His and relay(s) it to the Purkinje fibers in the ventricular myocardium.
 
  a. atrioventricular (AV) node
  b. atria
  c. sinoatrial (SA) node
  d. right and left bundle branches


Title: A standard 12-lead ECG provides views of the heart in _____.
Post by: dumbojy on Mar 1, 2018
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