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Author Question: The patient tells the nurse, This educational video you gave me shows normal electrical conduction ... (Read 43 times)

ericka1

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on: Jul 23, 2018
The patient tells the nurse, This educational video you gave me shows normal electrical conduction through the heart, but I still don't understand it. Can you explain it to me? What is (are) the nurse's best response(s)?
 
  1. Conduction through the bundle of His is the slowest in the heart.
  2. Conduction begins in the sinoatrial (SA) node and travels to the atrioventricular (AV) node.
  3. Conduction continues through the bundle branches to the Purkinje fibers.
  4. Conduction travels from the atrioventricular (AV) node through the bundle of His.
  5. The sinoatrial (SA) node is located in the left atrium.

Question 2

The nurse is teaching a class on rhythm abnormalities to patients who have experienced dysrhythmias. The nurse knows that teaching has been effective when a patient makes which statement?
 
  1. Dysrhythmias cause serious electrolyte imbalances; this results in heart block.
  2. Dysrhythmias are the result of long-standing, uncontrolled hypertension.
  3. Dysrhythmias interrupt the normal electrical pathways in the heart so it can't beat properly.
  4. Dysrhythmias alter the blood flow through the heart and cause it to stop beating.


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dantucker

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Reply #1 on: Jul 23, 2018
Answer to Question 1

Correct Answer: 2,3,4
Rationale: Conduction through the heart originates in the sinoatrial (SA) node, travels through the atrioventricular (AV) node through the bundle of His to the right and left bundle branches to the Purkinje fibers. Conduction through the atrioventricular (AV) node is the slowest in the heart. The sinoatrial (SA) node is located in the right atrium.

Answer to Question 2

Correct Answer: 3
Rationale: All dysrhythmias cause a defect in the generation or conduction of electrical impulses across the myocardium. Lack of synchronization of the atria and ventricles may have profound consequences such as decreasing cardiac output. Dysrhythmias do not alter blood flow through the heart. Some dysrhythmias may result in heart block, but dysrhythmias do not cause electrolyte imbalances. Dysrhythmias do not result from hypertension.


ericka1

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Reply 2 on: Jul 23, 2018
Great answer, keep it coming :)

pratush dev

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Reply 3 on: Yesterday
Excellent

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