Q: Which of the following equations best represents the daily calorie needs of an infant, according to the study materials?

$$Calories = 50 \times \text{weight in pounds}$$

Question 1

Which principle of physical growth explains why infants can control their arms before they can control their hands?

Accepted Answer

Proximodistal principle

Question 2

A pediatrician observes that a child can pick up a spoon but cannot yet bring it to their mouth. According to dynamic systems theory, what is the most likely explanation?

Accepted Answer

The child has not yet integrated the necessary motor skills

Question 3

Which of the following best describes synaptic pruning?

Accepted Answer

The elimination of weaker synaptic connections to strengthen others

Question 4

A 6-month-old infant is able to combine images from both eyes to perceive depth. This ability is known as:

Accepted Answer

Binocular vision

Question 5

Which of the following is a recommended strategy to reduce the risk of Sudden Infant Death Syndrome (SIDS)?

Accepted Answer

Placing infants on their backs to sleep

Question 6

Which of the following equations best represents the daily calorie needs of an infant, according to the study materials?

Accepted Answer

$$Calories = 50 	imes 	ext{weight in pounds}$$

Question 7

Which reflex is present at birth and helps prevent choking by clearing the throat?

Accepted Answer

Gag reflex

Question 8

A child who is chronically malnourished during infancy is most likely to experience which long-term consequence?

Accepted Answer

Lower IQ scores

Question 9

Which of the following statements about the plasticity of the infant brain is TRUE?

Accepted Answer

If one area of the infant brain is damaged, another area can often take over its function

Question 10

Which of the following best describes the difference between sensation and perception in infants?

Accepted Answer

Sensation is the physical stimulation of sense organs; perception is the interpretation and analysis of stimuli

Question 11

A researcher finds that infants prefer to look at complex patterns rather than simple ones. This finding supports which idea?

Accepted Answer

Infants are genetically preprogrammed for certain visual preferences

Question 12

Which of the following is an example of multimodal perception in infancy?

Accepted Answer

An infant integrating visual and auditory information to recognize their mother’s voice and face

Question 13

Which of the following is NOT a benefit of breastfeeding for infants?

Accepted Answer

Is more difficult to digest than cow’s milk

Question 14

A child’s ability to pick up small objects using the thumb and index finger is known as:

Accepted Answer

Pincer grasp

Question 15

Which of the following best describes the principle of hierarchical integration?

Accepted Answer

Simple skills are integrated into more complex skills

Question 16

A 2-month-old infant is pricked on the heel for a blood test and shows a delayed distress response. What is the most likely explanation?

Accepted Answer

The infant’s nervous system transmits information more slowly

Question 17

Which of the following is a key recommendation for introducing solid foods to infants?

Accepted Answer

Introduce solid foods between 6-12 months and do so slowly to monitor for allergies

Question 18

Which of the following best describes the Moro reflex?

Accepted Answer

Infant’s arms thrust outward and attempt to grasp when head and neck support is removed

Question 19

Which of the following is a consequence of food insecurity during infancy?

Accepted Answer

Stunted physical growth

Question 20

Which of the following best describes the concept of affordances in infant perception?

Accepted Answer

The action possibilities that a given situation or stimulus provides

Physical Development in Infancy: Biological and Sensory Foundations

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