________ refers to all chemical reactions necessary to maintain life
A) Digestion
B) Metabolism
C) Homeostasis
D) Nutrition
B
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During pregnancy stroke volume can increase by
a) 10% b) 20% c) 30% d) 40% e) 50%
What problem will occur in a newborn in whom the foramen ovale has failed to close?
A) Oxygenated and deoxygenated blood will be able to mix freely. B) The hepatic portal system will not be able to return blood to the vena cava. C) Blood will be able to flow freely between the two ventricles. D) This is not a problem; it is normally open until adulthood. E) None of the answers are correct.
Which of the following terms and definitions is correct?
A) Cerebral cortex-a thin layer of gray matter forming the outermost part of the cerebrum B) Cerebral cortex-a thick layer of white matter forming the innermost part of the cerebrum C) Limbic system-interconnected brain structures that activate skeletal muscle D) Hemisphere dominance-the largest cerebral hemisphere with the thickest cerebral cortex
Pow! A firecracker explodes close to you. Your mouth drops open in surprise, a movement known as:
A) retraction. B) opposition. C) depression. D) reposition.