During an action potential, information is transmitted as an electrical signal primarily as a result of _____ charged _____ ions rushing into the cell.
A) positively; sodium
B) positively; potassium
C) negatively; sodium
D) negatively; potassium
A) positively; sodium
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According to the discussion of emotional reactions to childbirth,
a. almost all women feel that childbirth is one of the major peak experiences in their lives. b. most women actually have little emotional reaction to childbirth. c. most women are so physically weary that exhaustion is their primary reaction to childbirth. d. some women have extremely positive emotions, but some women have extremely negative emotions.
The most significant racist court case began when attorneys for two white children argued that African American children did not have the ability to be in the same classrooms as whites. What was this case?
a. Plessy v. Ferguson. b. Brown v. Board of Education. c. Hobson v. Hansen. d. Stell v. Savannah-Chatham County Board of Education.
The vibrations of the eardrum that are caused by sound waves are amplified in the:
A. outer ear B. inner ear C. middle ear D. ear canal
Which of the following is sometimes a serious problem with repeated measures designs?
a. Carryover effects can cloud the interpretation. b. Small sample sizes can distort the results more than with other designs. c. They require more subjects than designs with independent samples. d. all of the above