The gray matter of the cerebrum forms a surface layer called the ________ and deeper masses called ________ surrounded by white matter
A) cortex; nuclei
B) cortex; medulla
C) medulla; midbrain
D) medulla; nerves
E) nuclei; tracts
A
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The muscle that partitions the neck into two clinically important triangles is the
A. pectoralis major. B. trapezius. C. sternocleidomastoid. D. external oblique. E. occipitalis.
Cells normally regulate the rate of an enzymatic reaction by
A) allowing all metabolic enzymes to be found throughout the cytoplasm. B) raising their temperature to 110° F. C) increasing reaction rate as the concentration of product increases. D) changing the concentration of an enzyme.
The sagittal suture joins the
A. left and right temporal bones. B. parietal and occipital bones. C. temporal and occipital bones. D. left and right parietal bones. E. frontal and parietal bones.
Which of the following does not contribute to venous return?
A) Widespread vasodilation B) The suction created by the atria slightly expanding during ventricular systole C) Contraction of skeletal muscles of the limbs D) The difference of pressure between venules and the venae cavae E) The expansion and contraction of the thoracic cavity during ventilation