Blinking in response to a puff of air and salivating in response to the smell of food are both considered __________
a. unconditioned stimuli
b. conditioned stimuli
c. unconditioned responses
d. conditioned responses
Answer: C
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Asthma is more common among __________ than __________ in the United States
A) white children; Puerto Rican children B) boys; girls C) wealthy children; poor children D) children of normal weight; children who are overweight
Osmoreceptors are specialized neurons that detect __________.
A. changes in solute concentration of the interstitial fluid B. osmotic pressure within the blood plasma C. angiotensin concentration in the blood D. the concentration of renin in the blood
What percentage of U.S. adults have written advance directives?
A. 10% B. 15% C. 25% D. 30%
In the context of the substages of Piaget's sensorimotor stage of cognitive development, identify a true statement about the second substage.
A. Infants begin to coordinate sensory information. B. Infants begin to repeat actions that bring interesting results. C. Infants begin to pretend and start using symbols. D. Infants begin to anticipate events.