#1
Which of the following is a typical motor developmental milestone in infants?
Crawling
ExplanationCrawling is a common motor milestone in infants, signifying the development of mobility and coordination.
#2
Which reflex is commonly observed in newborns, characterized by turning the head and sucking when the cheek or lip is touched?
Rooting reflex
ExplanationThe rooting reflex is a common newborn reflex involving head turning and sucking in response to touch, aiding in feeding.
#3
What is the term for the ability to understand and share the feelings of another?
Empathy
ExplanationEmpathy is the ability to understand and share the feelings of others, contributing to social and emotional intelligence.
#4
At what age does the average child begin to walk independently?
12 months
ExplanationChildren typically start walking independently around 12 months, marking a crucial motor developmental stage.
#5
Which part of the brain is primarily responsible for language development?
Temporal lobe
ExplanationThe temporal lobe plays a key role in language development, housing areas crucial for comprehension and production of speech.
#6
During which stage of prenatal development do major organ systems begin to form?
Embryonic stage
ExplanationMajor organ systems begin to form during the embryonic stage of prenatal development, laying the foundation for the body's structure and function.
#7
In the context of motor development, what is the term for the ability to use and control small muscle movements, such as picking up small objects with the fingers?
Fine motor skills
ExplanationFine motor skills involve precise control of small muscles and are crucial for tasks like grasping and manipulating objects.
#8
Which of the following is a key milestone in social development during early childhood?
Parallel play
ExplanationParallel play is a crucial social milestone in early childhood, where children play alongside each other with minimal interaction.
#9
What is synaptic pruning in the context of neurological growth?
Elimination of unnecessary synapses
ExplanationSynaptic pruning involves the elimination of unnecessary synapses, optimizing neural connections for efficient information processing.
#10
Which of the following is a cognitive developmental milestone according to Piaget's stages?
Object permanence
ExplanationObject permanence is a key cognitive milestone in Piaget's theory, demonstrating an understanding of object existence beyond immediate perception.
#11
What is the primary function of the myelin sheath in neurons?
To insulate and enhance signal conduction
ExplanationThe myelin sheath insulates neurons and enhances signal conduction, facilitating efficient communication within the nervous system.
#12
According to Erik Erikson's psychosocial development theory, what is the primary conflict during the stage of adolescence?
Identity vs. role confusion
ExplanationAdolescence is marked by the psychosocial conflict of identity versus role confusion, involving the search for a stable sense of self.
#13
At what age is the prefrontal cortex, responsible for decision-making and impulse control, typically fully developed?
25 years
ExplanationThe prefrontal cortex, crucial for decision-making and impulse control, typically reaches full development around 25 years of age.