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Author Question: What cardiovascular defect results in obstruction to blood flow? a. Aortic stenosis b. Tricuspid ... (Read 102 times)

ashley

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on: Jun 28, 2018
What cardiovascular defect results in obstruction to blood flow?
 
  a. Aortic stenosis
  b. Tricuspid atresia
  c. Atrial septal defect
  d. Transposition of the great arteries

Question 2

A cardiac defect that allows blood to shunt from the (high pressure) left side of the heart to the (lower pressure) right side can result in which condition?
 
  a. Cyanosis
  b. Heart failure
  c. Decreased pulmonary blood flow
  d. Bounding pulses in upper extremities


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akudia

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Reply #1 on: Jun 28, 2018
Answer to Question 1

ANS: A
Aortic stenosis is a narrowing or stricture of the aortic valve, causing resistance to blood flow in the left ventricle, decreased cardiac output, left ventricular hypertrophy, and pulmonary vascular congestion. Tricuspid atresia results in decreased pulmonary blood flow. The atrial septal defect results in increased pulmonary blood flow. Transposition of the great arteries results in mixed blood flow.

Answer to Question 2

ANS: B
As blood is shunted into the right side of the heart, there is increased pulmonary blood flow and the child is at high risk for heart failure. Cyanosis usually occurs in defects with decreased pulmonary blood flow. Bounding upper extremity pulses are a manifestation of coarctation of the aorta.


ashley

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Reply 2 on: Jun 28, 2018
YES! Correct, THANKS for helping me on my review

bassamabas

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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