A drug will prevent an action potential if it ____.

A. lowers the threshold of the membrane
B. blocks the movement of potassium across the membrane
C. blocks the movement of sodium across the membrane
D. increases the movement of sodium across the membrane


Answer: C

Psychology

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As part of Jeremiah's occupation, he restores buildings that have been damaged by natural disasters. He likens his job to that of ____ in the brain, which clean up after brain damage is sustained.?

a. ?efferent neurons b. ?hormones c. ?interneurons d. ?glial cells

Psychology

Less money is raised for lung cancer research than many other types of cancer, partly because smokers are blamed for developing lung cancer. This viewpoint reflects which of the following?

A. just world hypothesis B. principle of noncommon effects C. external attribution D. covariation model of attribution

Psychology

The development of psychosomatic symptoms depends on several factors. Which of the following is not among the factors as presented in the textbook?

a. having a genetic predisposition b. experiencing prolonged stress c. experiencing continual activation of the fight-flight response d. making a challenge appraisal

Psychology

The existence of an emotion culture is most exemplified in how

A. there are Japanese words to describe feelings that have no direct English equivalent. B. people from different cultures would ideally like to experience the same kinds of emotions. C. most emotional experience is expressed through gestures and facial movements. D. emotional excitement can carry over from one situation to another.

Psychology