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Author Question: The most common cause of myocardial ischemia is: a. idiopathic vasospasm. b. arterial emboli ... (Read 83 times)

james0929

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on: Jun 25, 2018
The most common cause of myocardial ischemia is:
 
  a. idiopathic vasospasm.
  b. arterial emboli from a heart valve.
  c. atherosclerosis.
  d. venous emboli.

Question 2

Foam cells in a fatty streak are:
 
  a. deposited adipose cells.
  b. injured neutrophils.
  c. macrophages that engulf low-density lipo-protein (LDL).
  d. lipid-laden mast cells.


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amcvicar

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

ANS: C
The most common cause of myocardial ischemia is atherosclerosis. Myocardial ischemia is not caused by idiopathic vasospams or venous emboli. Arterial emboli may cause ischemia, but ath-erosclerosis is the major cause of myocardial ischemia.

Answer to Question 2

ANS: C
Foam cells are lipid-laden macrophages that engulf LDL. They are deposited in vessels, not adi-pose cells. Foam cells are not injured neutrophils nor are they mast cells.


james0929

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

nyrave

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Reply 3 on: Yesterday
Excellent

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