Which of the following statements is true of aging?
A) As people age, the heart muscles grow more elastic, increasing the maximum heart rate.
B) Regular exercise decreases cardiovascular and respiratory capacity from what it was in early adolescence.
C) As people age, the immune system produces fewer white blood cells.
D) Fertility in both genders increases as early adulthood progresses.
Question 2Which of the following is true of infants' ability to differentiate sounds?
A) Infants are born with the ability to ignore small, meaningless variations in the sounds of their native language.
B) Infants can discriminate the sounds of their parent's voices by 3 months of age.
C) By the age of one week, infants perceive differences between speech sounds that are highly similar.
D) By the age of one month, infants reliably discriminate three-syllable words.
Question 3During early adulthood, _____.
A) cardiovascular capacity can be increased with regular exercise
B) the heart muscles become more flexible, increasing the maximum heart rate
C) the cardiovascular system does not undergo any change
D) the cardiovascular system is at the highest risk of developing congenital heart diseases
Question 4Jason had placed a record player next to his seven-month-old son's crib that played a lullaby as soon as his son cried. The lullaby had a calming effect on the infant and put him back to sleep. As time passed, the lullaby failed to put the baby to sleep. The scenario is an example of _____.
A) habituation
B) canalization
C) assimilation
D) generalization
Question 5Raj is 29 years old. In the context of the changes that occur during early adulthood, which of the following is likely to be true?
A) Raj is likely to completely lose his ability to hear tones that are high in pitch.
B) Raj's visual acuity is likely to decline dramatically.
C) Raj's ability to hear tones that are high in pitch is likely to enhance.
D) Raj's hearing ability is likely to start declining.
Question 6People often get accustomed to a loud or irritating noise after being exposed to it for a considerable amount of time. This best exemplifies _____.
A) habituation
B) canalization
C) assimilation
D) generalization
Question 7Which of the following is true of sensory abilities during early adulthood?
A) Hearing tends to decline in the late 20s and early 30s, particularly for tones that are high in pitch.
B) Visual acuity declines sharply in the early 20s.
C) Most people in early adulthood are nearsighted and need reading glasses.
D) Sensory sharpness begins to decline in the early 20s.
Question 8In the context of the development of hearing, which of the following is true?
A) Neonates can crudely orient their heads in the direction of a sound.
B) By nine months of age, the accuracy of the sound-localizing ability of infants approaches that of adults.
C) Till the age of three months, babies are unable to distinguish between speech sounds that are highly similar.
D) Infants can discriminate the sounds of their parent's voices by one month of age.
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