__________ is the least-developed of the newborn babys senses.
A) Taste
B) Sound
C) Vision
D) Touch
Question 2Three-month-old Jefferson will probably listen longer to __________ than to __________.
A) pure tones; voices
B) pure tones; noises
C) human speech; nonspeech sounds
D) a foreign language; his native language
Question 3In mammals, including humans, the sense of smell __________.
A) will not become adultlike for several years
B) helps mothers and babies identify each other
C) is the least developed sense at birth
D) will take about four months to become adultlike
Question 4Around __________, Baby Alanna should begin to prefer a salty taste to plain water.
A) 2 weeks
B) 6 weeks
C) 2 months
D) 4 months
Question 5Which statement is supported by research on newborn taste preferences?
A) Newborns cannot distinguish basic tastes.
B) Not until 4 months do babies prefer a salty taste to plain water.
C) Newborns prefer the taste of formula to breast milk.
D) Unlike adults, babies relax their facial muscles in response to sour tastes.