How did the pressure in the left lung change when the valve was opened?
A) The pressure in the pleural cavity equalized with the atmospheric pressure.
B) It went from a positive number to a negative number and the pressure in the pleural cavity equalized with the atmospheric pressure.
C) It went from a positive number to a negative number.
D) It went from a negative number to zero and the pressure in the pleural cavity equalized with the atmospheric pressure.
E) It went from a negative number to zero.
Ans: D) It went from a negative number to zero and the pressure in the pleural cavity equalized with the atmospheric pressure.
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Secondary drives are ____.?
a. ?innate drives b. ?biologically driven c. ?a result of pairing with a primary drive d. ?only used to reduce pain responses e. ?reinforced only when primary drives are satisfied
Brain mechanisms involved in hunger and thirst would most likely be studied by a
a. personality theorist. b. sensory psychologist. c. learning theorist. d. biopsychologist.
Regarding the Minnesota Multiphasic Personality Inventory (MMPI-2), which of the following statements is FALSE?
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A __________ reinforcer is any reward that satisfies a basic, biological need, such a hunger, thirst, or touch
a) primary b) negative c) positive d) secondary