Which of the following statements regarding babies' crying is FALSE?
A) A baby's first cries all sound similar to one another.
B) By two months of age, a baby can signal discomfort and requests through crying.
C) By four months of age, a baby can signal discomfort and requests through crying.
D) A baby's cries begin to display variation around two months of age.
B
You might also like to view...
When you were in high school, your friends had "mosquito" ring tones on their cell phones. Mosquito tones are very high-pitched (17kHz) tones. What did your 45-year-old teachers think of it?
a. Some of the teachers thought that there was an invasion of mosquitoes at your school. b. Most the time the ring tones were very quiet and the teachers seemed to like them. c. They found the high-pitched noise to be very irritating. d. Most never heard it.
Which of the following mechanisms of terminating transmitter action involves the reabsorption of a neurotransmitter by the axon terminals?
A) Deactivation B) Diffusion C) Reuptake D) Active recycling by glial cells