Paul is concerned about his risk for cancer. Which of the following is true of the development of cancer?
a. People do not normally develop cancerous cells.
b. People normally develop cancerous cells.
c. People cannot normally destroy cancerous cells.
d. Behavior patterns do not influence the occurrence of cancer.
B
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Imagine Uncle Charlie who wears hearing aids. Suddenly the battery for the hearing aid in the left ear fails. What will be the effect on hearing?
a. Sounds will seem to him to have lower pitches than usual. b. Sounds will seem to him to have higher pitches than usual. c. He will localize sounds as coming from the right side d. He will localize sounds as coming from the left side.
Extrasensory perception is also known as ____
a. ?psi b. ?jnd c. ?absolute threshold d. ?subliminal sensations
An extremely thin glass tube filled with a salty fluid with its tip being small enough to detect the electrical activity of a single neuron would be referred to as a
a. pixel. b. microelectrode. c. PET scan. d. fMRI
Which of the following is TRUE regarding war veterans' risk of suicide once they return home?
A) War vets are about twice as likely to commit suicide as similar nonveterans. B) War vets are no more likely to commit suicide than similar nonveterans. C) War vets are a little less likely to commit suicide than similar nonveterans. D) Family members of war vets, not the vets themselves, are at a higher suicide risk.