An emulsion is classified as a specific type of
A. suspension.
B. solution.
C. colloid.
Answer: C
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The part of the brain that assigns value to a memory is the
A. pons. B. amygdala. C. medulla oblongata. D. cerebral cortex.
Which of the following statements describes a common response of an autonomic effector during the "fight-or-flight" response?
a) Gastric motility and secretory activity increases. b) Blood vessels serving skeletal muscles constrict. c) Adipose tissues stores away triglycerides for later use. d) The pupils of the eyes dilate. e) Blood vessels serving the kidneys and digestive organs dilate.
Which of the following muscles raises the head when in a bowed position?
A. Sternocleidomastoid B. Trapezius C. Scalene D. Splenius capitis
Wallerian degeneration involves the breakdown of
A. the segments of axon and myelin sheath between the site of damage and the cell body. B. macrophages and microglia that have completed the job of CNS cleanup after trauma. C. the neurilemma both central and peripheral to the site of trauma. D. the segments of axon and myelin sheath between the site of damage and the peripheral effector.