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Author Question: The apex of the heart (tip of the left ventricle) lies just above the diaphragm at a level ... (Read 46 times)

CharlieWard

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on: Jul 16, 2018
The apex of the heart (tip of the left ventricle) lies just above the diaphragm at a level corre-sponding to which intercostal space?
 
  a. Fourth
  b. Fifth
  c. Sixth
  d. Seventh

Question 2

Infants are more susceptible to profound hypoxemia than are adults.
 
  Indicate whether the statement is true or false.


amcvicar

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
The apex of the heart is formed by the tip of the left ventricle and lies just above the diaphragm at the level of the fifth intercostal space.

Answer to Question 2

ANS: T
The combination of a reduced FRC and high O2oxygen consumption in infants renders them more susceptible to profound hypoxemia in situations that further disturb ventilation, lung vol-ume, and/or ventilation/perfusion matching.


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