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Author Question: Which assessment verifies increased blood perfusion to the lower extremities? a. Toes cool to the ... (Read 92 times)

tfester

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on: Jul 24, 2018
Which assessment verifies increased blood perfusion to the lower extremities?
 
  a. Toes cool to the touch
  b. Decreased sensation below the knees
  c. Increased amplitude of pedal pulses
  d. Paleness of the foot

Question 2

What is the action of pentoxifylline (Trental), a hemorheologic agent used to treat chronic occlusive arteriole disease?
 
  a. Vasodilates the peripheral arteries
  b. Potentiates the blood-clotting mechanism
  c. Increases erythrocyte flexibility
  d. Increases blood viscosity


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Briannahope

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Reply #1 on: Jul 24, 2018
Answer to Question 1

ANS: C
The pressure of blood as it is pushed against an artery is detected as a pulse. Increased pulse amplitude indicates increased blood flow. Coolness and decreased sensation usually correlate with decreased blood perfusion. Paleness or blanching does not indicate increased blood perfusion.

Answer to Question 2

ANS: C
Pentoxifylline enhances red blood cell (erythrocyte) flexibility, which reduces blood viscosity. This allows for more blood to perfuse into the tissues. Muscle tissues become better oxygenated and intermittent claudication is reduced. Pentoxifylline does not cause vasodilation. Pentoxifylline acts to decrease clotting and decreases blood viscosity.


tfester

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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