GROWTH AND DEVELOPMENT ACROSS THE
LIFESPAN EXAM 3 2026 COMPREHENSIVE
QUESTIONS SOLUTIONS GRADED A PLUS
DEVELOPMENTAL STAGES PRACTICE SHEET
◉ Sensorimotor Period.
Answer: Piaget's stage focused on sensory and motor activities.
◉ Object Permanence.
Answer: Understanding objects exist even when unseen.
◉ Growth Rate (Infants).
Answer: First 6 months: ½ to 1 inch/month.
◉ Weight Gain (Infants).
Answer: Birth weight doubles by 5-6 months.
◉ OFC Growth.
Answer: Head circumference increases 1 cm/month first year.
◉ Fontanel Closure.
,Answer: Posterior closes by 6-8 weeks, anterior by 12-18 months.
◉ Fine Motor Skills.
Answer: Grasping develops by 2-3 months.
◉ Pincer Grasp.
Answer: Develops between 8-10 months.
◉ Gross Motor Skills.
Answer: Rolling over by 5-6 months.
◉ Crawling Age.
Answer: Crawling occurs between 6-7 months.
◉ Walking Age.
Answer: Walking alone typically starts at 1 year.
◉ Cognitive Development (Birth-1 mo).
Answer: Innate reflexes and sensory functions dominate.
◉ Cognitive Development (1-12 mo).
Answer: Exploration with coordinated reaching and grasping.
, ◉ Language Development.
Answer: Cooing by 3-4 months, babbling by 6 months.
◉ Attachment Bond.
Answer: Forms within the first month of life.
◉ Nutritional Needs.
Answer: Infants typically feed 5-8 times daily.
◉ Solid Food Introduction.
Answer: Recommended around 6 months of age.
◉ Sleep Needs.
Answer: Infants sleep about 80% of the day.
◉ Injury Prevention.
Answer: Includes prevention of drowning and suffocation.
◉ Shaken Baby Syndrome.
Answer: Serious injury from violent shaking of infants.
LIFESPAN EXAM 3 2026 COMPREHENSIVE
QUESTIONS SOLUTIONS GRADED A PLUS
DEVELOPMENTAL STAGES PRACTICE SHEET
◉ Sensorimotor Period.
Answer: Piaget's stage focused on sensory and motor activities.
◉ Object Permanence.
Answer: Understanding objects exist even when unseen.
◉ Growth Rate (Infants).
Answer: First 6 months: ½ to 1 inch/month.
◉ Weight Gain (Infants).
Answer: Birth weight doubles by 5-6 months.
◉ OFC Growth.
Answer: Head circumference increases 1 cm/month first year.
◉ Fontanel Closure.
,Answer: Posterior closes by 6-8 weeks, anterior by 12-18 months.
◉ Fine Motor Skills.
Answer: Grasping develops by 2-3 months.
◉ Pincer Grasp.
Answer: Develops between 8-10 months.
◉ Gross Motor Skills.
Answer: Rolling over by 5-6 months.
◉ Crawling Age.
Answer: Crawling occurs between 6-7 months.
◉ Walking Age.
Answer: Walking alone typically starts at 1 year.
◉ Cognitive Development (Birth-1 mo).
Answer: Innate reflexes and sensory functions dominate.
◉ Cognitive Development (1-12 mo).
Answer: Exploration with coordinated reaching and grasping.
, ◉ Language Development.
Answer: Cooing by 3-4 months, babbling by 6 months.
◉ Attachment Bond.
Answer: Forms within the first month of life.
◉ Nutritional Needs.
Answer: Infants typically feed 5-8 times daily.
◉ Solid Food Introduction.
Answer: Recommended around 6 months of age.
◉ Sleep Needs.
Answer: Infants sleep about 80% of the day.
◉ Injury Prevention.
Answer: Includes prevention of drowning and suffocation.
◉ Shaken Baby Syndrome.
Answer: Serious injury from violent shaking of infants.