1. which of the following examples of emotional behaviors are displayed by infants up to 8 months?

a. showing pride in accomplishments
b. laughing
c. showing fearfulness of the dark and the unknown
d. aggression

2 is the key to infants learning to associate sounds with meaning.

a. responses of other infants
b. adult responses
c. hearing their own sounds
d. repetition

3 for a child categorized as having a slow-to-warm temperament as identified by thomas and chess, caregivers should

a. encourage independence early so they become used to the idea.
b. introduce new situations gradually so they can adapt.
c. introduce change quickly so they don't have time to be afraid.
d. keep them from having to experience new situations so they don't become anxious.

4 which of the following may be considered warning signs of a communication disorder for a mobile infant (6 to 18 months)?

a. limited or no interest in interacting in a familiar environment
b. misunderstanding questions most of the time
c. often misunderstood by others
d. using only short, simple sentences

5 when a baby has a depressed parent who ignores the baby's cues for emotional interactions, he or she is likely to

a. have a depressed heart rate.
b. be more active.
c. have reduced brain activity.
d. have reduced cortisol levels.