When the electric potential in a cell is in action versus a resting state, this electrical charge reversal is known as the ________
a) resting potential
b) excitation reaction
c) action potential
d) permeable reaction
ANS: c
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Suppose that you are hanging a rectangular picture on a large white wall. The wall has no markings and no other pictures to help you hang the picture in a straight orientation, rather than being tilted. Which measure of spatial ability would be assessed in this task?
a. spatial visualization b. spatial perception c. mental rotation d. mental imagery
The active ingredient in marijuana is called ____ and is found in ____
a. xanthine; cannabis roots c. THC; cannabis leaves b. anandamide; cannabis leaves d. xanthine; cannabis leaves
Otosclerosis may lead to hearing loss due to a. immobilization of the stapes
b. buildup of earwax in the ear canal. c. infections of the middle ear. d. damage to the tympanic membrane.
Your 70-year-old father recently mentioned to you that he no longer enjoys driving at night because of glare from the headlights of oncoming traffic. Having taken this course, you are not surprised. Based on the information in the text, what other activities may prove problematic for him?
a. reading road signs at night b. finding a seat at the afternoon softball game c. ordering at McDonald's d. all of the above