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Author Question: What is the mediastinum? a. Membranous sac surrounding the heart and great vessels b. Middle ... (Read 48 times)

altibaby

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on: Jul 16, 2018
What is the mediastinum?
 
  a. Membranous sac surrounding the heart and great vessels
  b. Middle layer of muscle fibers constituting the heart
  c. Point of division of the trachea into the bronchi
  d. Structure separating the right and left thoracic cavities

Question 2

Approximately how far do the normal adult lungs extend above the clavicles?
 
  a. 2 cm
  b. 3 cm
  c. 4 cm
  d. 5 cm


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tofugiraffe

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

ANS: D
The mediastinum lies between the left and right pleural cavities that contain the lungs (Figure 9-16).

Answer to Question 2

ANS: A
The lungs extend from the diaphragm to a point 1 to 2 cm above the medial third of the clavicles.


altibaby

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Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

Joy Chen

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

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