About ________ of Americans take a vacation each year
a. one-fourth
b. one-third
c. one-half
d. two-thirds
C
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Which situation represents a circumstance when brain activity may be measured to determine death?
A. when a person has requested this in her or his living will B. when time of death is insignificant C. when organs may be potentially transplanted D. when the family is still in the room
From ages 12 to 18, the brain
a. changes very little. b. decline in size. c. declines in weight. d. dynamically reorganizes.
Making probable conclusions based on evidence involves reasoning
a. deductive b. syllogistic c. inductive d. connective
When the cell membrane becomes permeable to sodium ions, this brings the membrane voltage to ______
a. -70 millivolts c. -40 millivolts b. +70 millivolts d. +40 millivolts