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Author Question: A nurse explains to a student that which of the following is the mechanism by which circulation of ... (Read 51 times)

lunatika

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on: Jun 28, 2018
A nurse explains to a student that which of the following is the mechanism by which circulation of oxygen is increased to the organs of a newborn?
 
  A.
  Deeper respirations
  B.
  Increased stroke volume
  C.
  Increased tidal volume
  D.
  Tachycardia

Question 2

An infant in the NICU has persistent pulmonary hypertension. The nurse places highest priority on which of the following nursing diagnoses?
 
  A.
  Ineffective tissue perfusion: cardiopulmonary
  B.
  Ineffective tissue perfusion: cerebral
  C.
  Ineffective tissue perfusion: peripheral
  D.
  Ineffective tissue perfusion: neurovascular


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ankilker

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

ANS: D
In a newborn, ability to alter cardiac output is limited, and stroke volume cannot be improved. The physiological mechanism by which circulation of oxygenated blood to organs is improved in the newborn is tachycardia.

Answer to Question 2

ANS: A
Persistent pulmonary hypertension has a right-to-left shunting of blood across the foramen ovale and through the ductus arteriosus of the heart. Therefore, the appropriate nursing diagnosis prioritizes the cardiovascular and pulmonary systems.


lunatika

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Reply 2 on: Jun 28, 2018
Thanks for the timely response, appreciate it

carlsona147

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Reply 3 on: Yesterday
:D TYSM

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