The polarization of a neuron results in a resting potential of about –70 millivolts. This is followed by depolarization resulting in an action potential of +110 millivolts. This brings the membrane voltage to
a. + 40 millivolts. c. +180 millivolts.
b. - 40 millivolts. d. -180 millivolts.
A
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In his history class, Mr. Guierra uses a direct instruction teaching style in which he presents the historical information through lecture and through films. He questions his students frequently both orally and through quizzes. Research on Mr. Guierra's teaching style indicates that his students will do slightly better than other students on
a. achievement tests. b. tests of abstract thinking. c. problem-solving tests. d. all of these tests.
All of the following are examples of somatic symptom and related disorders except
A. Anne endures excessive stress, and she develops an ulcer. B. Betty feels that she has developed heart disease, although she is in great shape physically. C. Colleen finds that her legs are paralyzed during the day, but she is able to sleepwalk at night. D. Dana complains of severe and constant pain in her back and joints, but the pain does not appear to have any physical cause.
A reporter is assigned the task of investigating the value of BMI. Her editor wants to know, "Why was the shift to BMI made?" After some phone calls to specialists, she has the answer. What is she most likely to say?
a) BMI is a simple shorthand for the amount of fat in the body. b) This simple system compares everyone to an ideal weight of 150 pounds. c) BMI is a single number that represents your height and weight without regard for gender. d) The BMI is easy for patients to interpret because all they have to remember is to keep the number in single digits for enhanced health and well-being.
Having failed his first psychology exam, Tyler anxiously awaited his grade on exam 2
Again he failed. Based on his previous performance and his interpretation of the current grade, Tyler began thinking critically about the teacher's methods, questioning techniques, etc. These types of thoughts reinforcing our interpretation of the situation are also known as ___________. a. activating event b. needs c. cognitive appraisal d. self-talk