Which of the following is true of the sense of touch?
A. Our sensitivity to touch is equally good across all areas of the skin.
B. The brain devotes more space to analyzing touch signals coming from the legs than from the hands.
C. Human tool makers need very little touch discrimination in their hands.
D. In touch we detect mechanical energy, or pressure against the skin.
Answer: D
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In the resting neuron, sodium is pushed a. out of the cell by diffusion and into the cell by electrical force. b. out of the cell by electrical force and into the cell by diffusion
c. out of the cell by both electrical force and diffusion. d. into the cell by both electrical force and diffusion.
An important lesson learned from the Stanford Prison Experiment and highlighted in the Schlesinger Report was
a. how passive prison guards can become. b. that prisoners tend to become violent. c. that stress can be prevented with relaxation. d. that criminals are difficult to detect. e. how stressful situations can rapidly affect personality.
According to a study in 2014 by Skakkebaek et al., who among the following is most likely to have gynecomastia?
A) Jennifer, a dancer, who has Down's syndrome B) Frank, a teacher, who is diagnosed with XYY syndrome C) Peter, a fashion designer, who has Klinefelter syndrome D) Ria, a gym instructor, who is diagnosed with Turner syndrome
A __________ procedure in an experimental investigation ensures that neither the researcher nor the subjects will know about what conditions are being administered to the participants
a. placebo b. Hawthorne Effect c. double-blind d. randomization