Question 1

From weighing about ___________ kilograms at birth, the typical infant weighs about ___________ kilograms at its second birthday.

Accepted Answer

Newborns typically weigh around 3 kilograms at birth and about 13 kilograms by their second birthday.

Question 2

Which of the following is linked to higher incidence of an infant dying of sudden infant death syndrome (SIDS)?

Accepted Answer

Parents who smoke even moderately are linked to a higher incidence of an infant dying of sudden infant death syndrome (SIDS).

Question 3

Which of the following best describes a four- month- old infant's ability to perceive faces?

Accepted Answer

At four months old, infants' eyes become less prominent and they begin to glance at and attend to other parts of the face such as the mouth and nose. However, they may not yet be able to discriminate between two unlike faces.

Question 4

Which of the following is not an automatic reflex behaviour of a baby?

Accepted Answer

Moro reflex is an automatic startle response where the baby moves its arms and legs, sucking and sneezing are automatic reflexes that help the baby feed and clear their airway respectively. However, spitting is not an automatic reflex behavior and requires a deliberate action by the baby.

Question 5

In traditional Aboriginal communities, infants spend ___________ percent of their time being held by a sitting adult.

Accepted Answer

The answer of In traditional Aboriginal communities, infants spend ___________...

Question 6

There is a rapid burst of myelination from birth to age ___________ , and then a steady but slower increase up to adolescence.

Accepted Answer

The answer of There is a rapid burst of myelination...

Question 7

Research currently indicates that both ___________ and ___________ interact in the growth of almost all motor skills.

Accepted Answer

The answer of Research currently indicates that both ___________ and...

Question 8

Which of the following senses is least developed when an infant is born?

Accepted Answer

An infant's vision is least developed at birth. Newborns can only see objects within 8-10 inches from their face, and their vision gradually improves over the next few months. Hearing, taste, and smell are already developed at birth.

Question 9

Evidence from around the world is consistent with the view that when families discontinue their time- honoured traditional practices in favour of the idea of the benefits of modern western technology, they may be doing their offspring ___________.

Accepted Answer

The answer of Evidence from around the world is consistent...

Question 10

According to Hamilton (1981), which of the following behaviours do Anglo- Australian infants acquire before their Indigenous counterparts?

Accepted Answer

Hamilton (1981) found no significant difference in the developmental milestones between Anglo-Australian infants and Indigenous counterparts. Therefore, none of the listed behaviours are acquired earlier by Anglo-Australian infants.

Question 11

Which of the following is not one of the six substages in the growth of sensorimotor intelligence?

Accepted Answer

Secondary reflex reactions is not one of the six substages of sensorimotor intelligence according to Jean Piaget's theory. The stages include reflexes, primary circular reactions, secondary circular reactions, coordination of secondary circular reactions, tertiary circular reactions, and beginning of symbolic thought.

Question 12

Which of the following is an effective method of soothing a baby's crying?

Accepted Answer

All of the options listed are effective methods of soothing a crying baby. Rocking mimics the motion experienced in the womb, playing a tape of a heartbeat can provide a calming, familiar sound reminiscent of the mother's heartbeat, and swaddling (wrapping the infant tightly) can provide a sense of security and warmth.

Question 13

At birth the human brain is only about ___________ percent of its adult weight. By the second birthday the brain will have increased ___________ to percent of the weight of the adult brain.

Accepted Answer

At birth, the human brain is about 25% of its adult weight. By the second birthday, the brain will have increased to about 80% of the weight of the adult brain. Therefore, option D (25; 80) is the correct answer.

Question 14

___________ are the muscular and coordination abilities that enable children to move around, pick up things and generally control the positions and movements of their bodies.

Accepted Answer

The answer of ___________ are the muscular and coordination abilities...

Question 15

The phase in the lifespan known as infancy begins at birth and ends around the ___________ birthday.

Accepted Answer

The answer of The phase in the lifespan known as...

Question 16

A three- month- old baby who had a chain of rattles hanging over their cot would glance up at the rattles before pulling the chain. The baby seemed to anticipate the sound they were about to make and to connect it with their own action of pulling. This is an example of the cognitive abilities associated with secondary ___________.

Accepted Answer

The answer of A three- month- old baby who had...

Question 17

According to Checkik et al. (2000) the human brain loses about ___________ of its synapses by puberty.

Accepted Answer

According to Checkik et al. (2000), the human brain loses about half of its synapses by puberty.

Question 18

According to Brackbill (1979), infants exposed to unpleasantly intense stimuli, including bright lights or a hot pad, displayed ___________ crying behaviour.

Accepted Answer

The answer of According to Brackbill (1979), infants exposed to...

Question 19

Newborns sleep for about how many hours per day?

Accepted Answer

The answer of Newborns sleep for about how many hours...

Question 20

In Erikson's theory of personality, the most important developmental achievement of infancy is the acquisition of a realistic sense of ___________.

Accepted Answer

The answer of In Erikson's theory of personality, the most...

Quiz 4: Infancy: Physical, Neurocognitive, Sensorimotor and Cognitive Development

From weighing about _ kilograms at birth, the typical infant weighs about _ kilograms at its second birthday.

Which of the following is linked to higher incidence of an infant dying of sudden infant death syndrome (SIDS) ?