Which of the following is true about presbyopia in older adults?

Which of the following is true about presbyopia in older adults?
 
  a) It is due to stiffening of the lens that occurs with age
 b) It is caused by the same process that causes farsightedness in younger people.
 c) It is a relatively rare condition that does not affect most people.
 d) It makes it harder to focus on objects that are far away.

Question 2

In what way are older adults slowing down compared to younger adults?
 
  a) Neurons are firing more slowly
 b) Semantic memories are accessed more slowly.
 c) Situational models are updated more slowly.
 d) Decision-making processes operate more slowly.

Question 3

There are certain ways that adults can change their own speech to facilitate language learning in children. Which of the following describes the characteristics of such child-directed speech?
 
  a) It is slower, higher pitched, and marked by greater emphasis
 b) It is higher pitches and uses the same immature pronunciation as that used by the children.
 c) It is louder and includes explicit explanation of the meanings of most words.
 d) It is exaggerated and delivered with a sing-song prosody.

Question 4

Which of the following is the best explanation for infantile amnesia?
 
  a) Infants have not yet developed sufficient episodic memory
 b) Infants have relatively poor implicit memory abilities.
 c) Infants and young children lack semantic memory abilities.
 d) Infants have not yet developed non-declarative memory.

Question 5

Newborns sleep a lot, but when they are awake, they tend to prefer gazing at which of the following types of stimuli?
 
  a) Human faces and black and white pattern
 b) Human faces and soft pastel colors
 c) Simple geometric shapes and brightly colored patterns
 d) Simple geometric shapes in soft, hazy colors