Which of the following is incorrect pertaining to the surface anatomy of the lungs?
A) Typically, the right lung has three lobes, and the left lung has two.
B) The lingula extends into and out of the costodiaphragmatic recess during respiration.
C) Vascular and nervous structures enter each lung at its hilum.
D) The apex of each lung is in contact with the diaphragm.
E) The mediastinal surface of each lung is related to the heart and pericardium.
Ans: D
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The muscle that makes up the calf of the leg is the
A. soleus. B. popliteus. C. plantaris. D. tibialis posterior. E. gastrocnemius.
In the diagram, which structure(s) moves towards the center of the sarcomere (closer together) when the fiber contracts?
a) A b) D c) J d) Both A and D. e) None of these are correct.
Identify the following
A thrombus (blood clot) in the second branch of the arch of the aorta would affect the flow of blood to the ____.
a) left side of the head b) myocardium of the heart c) left shoulder and arm d) right side of the head and right arm