The endolymph surrounding hair cells differs from other extracellular fluids in that it contains a
A. smaller than normal concentration of sodium.
B. larger than normal concentration of sodium.
C. smaller than normal concentration of potassium.
D. larger than normal concentration of potassium.
Answer: D
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Laura conducts a study to determine whether her new "puppet" therapy works better than the traditional "talking" therapy. After randomly assigning her own patients to either the "puppet" or "talking" group, Laura herself administers the therapy. This study’s most obvious flaw is ____.?
a. ?random variables b. ?experimenter bias c. ?the placebo effect d. ?participant expectations
All of the following constitute advice to stepparents from exerts except
a. Many children blame themselves for their parents' divorce. b. Children are adversely affected by witnessing their parents fighting. c. Children adjust best during divorce when the other parts of their lives remain relatively stable. d. Many children know that their parents will not reunite, that divorce is permanent.
During late adulthood, husbands and wives
a. find they cannot express their true feelings. b. often have a high marital satisfaction. c. often have a low level of marital satisfaction. d. turn to children for companionship.
Which of the following is an example of the experimental approach?
a. The case study about SCID at the beginning of the chapter b. Stimulating different parts of the brain to see what area controls sexual behavior c. Observing children on a playground to see if sex differences in play exist d. Asking about people's moods to see if they change across the seasons