Which feature is unique to the axis?
A. Dens
B. Transverse foramen
C. Superior articular facet
D. Bifid spinous process
E. Vertebral foramen
Answer: A
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It is the ________ that permits the compression necessary to pump large volumes of blood out of the ventricles.
A. arrangement of cardiac muscle in the heart wall B. presence of skeletal muscle tissue in the heart skeleton C. negative pressure inside the ventricles D. presence of papillary muscles in the ventricles E. absence of oxygenated blood in the atria
A drug company creates a drug that acts as an antagonist to the human chorionic gonadotropin (hCG) receptor. The effect of this drug, if given in early pregnancy would be
A. degeneration of the corpus luteum and declining levels of progesterone and estrogen. B. secretion of large quantities of FSH and LH. C. secretion of large quantities of progesterone and estrogen. D. secretion of cortisol. E. secretion of large quantities of GnRH.
If a blood cell is placed in an isotonic solution:
a. water will enter the cell b. water will leave the cell c. it will crenate d. none of the above
Muscular dystrophy is a(n) ________ muscular disease in which muscle fibers degenerate.
A. autoimmune B. genetic C. cancerous D. acute