The presence of air is normal in all of these chambers except
A) the right middle lobe.
B) the trachea
C) the pleural cavity.
D) the nasopharynx.
Answer: c. the pleural cavity.
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The sex hormones from the adrenal cortex are primarily androgens.
Answer the following statement true (T) or false (F)
The waste product bilirubin is produced from
A) globin chains of hemoglobin. B) heme molecules plus iron. C) heme molecules lacking iron. D) iron found in hemoglobin molecules. E) abnormal proteins found in red blood cells.
Connective tissue matrix is composed of ________
A) cells and protein fibers B) ground substance and cells C) ground substance and protein fibers D) none of the above
The abdominal muscle that has its origin at the pubic crest and symphysis pubis is the ________.
A. transversus abdominis B. internal abdominal oblique C. linea alba D. external abdominal oblique E. rectus abdominis