Which abdominal wall muscle is the most superficial of the oblique muscles?
A. Transversus abdominis
B. Internal abdominal oblique
C. Quadratus lumborum
D. External abdominal oblique
E. Rectus abdominis
Answer: D
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Identify the meningeal layer immediately deep to the subdural space.
a. arachnoid mater b. pia mater c. dura mater d. epidural space
Obstruction of the ________ will cause a more severe myocardial infarction (MI) than the obstruction of any of the others
A) left coronary artery (LCA) B) anterior interventricular branch C) posterior interventricular vein D) left marginal vein E) circumflex branch
What are interferons?
A. Chemicals that raise the body temperature B. Chemicals released by damaged tissue to cause blood vessels to widen C. Proteins activated by the presence of a pathogen D. Chemicals released by virally infected cells that encourage the production of antiviral proteins
What percentage of cardiac muscle cells are contractile?
a. 33% b. 50% c. 75% d. 85% e. 99%