[Exam 3] Chapter 25 – Growth and Development of the Newborn and Infant Flashcards
How do you adjust age example for boy born at 28 weeks and is 6 months old??
Subtract 3 months from chronological age of 6 months so adjusted age is 3 months . Is expected to achieve developmental milestones of 3 month old instead of 6
Physical Growth - Weight: Average newborn weights how much at birth?
3400 kg (7.5 lb)
Physical Growth - Weight: Physical Growth - Weight: Average weight gain per day? And when do they regain their birth weight?
30 g,
Regain by 10-14 days
Physical Growth - Weight: When is weight doubled and tripled?
Doubled by 4 months
Tripled by 1 year old
Physical Growth - Height: How is length here?
Grows more quickly in first 6 months than next 6.
By 12 months, length increased by 50%
Physical Growth - Head Circumference: Growth by 1 year of age?
Average of 10 cm (4-inches)
Organ System Maturation - Neurologic System and State Of Consciousness: What six stages of consciousness will infant go through?
Deep Sleep Light Sleep Drowsiness Quiet Alert State Active Alert State Crying
Organ System Maturation - Neurologic System and State Of Consciousness: What occurs in deep sleep?
Sleeping with eyes closed and no movement
Organ System Maturation - Neurologic System and State Of Consciousness: What occurs in light sleep?
Sleeping with eyes closed; rapid eye movements and irregular movements may be noticed
Organ System Maturation - Neurologic System and State Of Consciousness: What occurs in drowsiness?
Eyes may close or be half-liddled; infant may be dozing
Organ System Maturation - Neurologic System and State Of Consciousness: What is the quiet alert state?
Infant’s eyes are wide open and body is calm
Organ System Maturation - Neurologic System and State Of Consciousness: What is the active alert stage?
Infants eyes open, body movements occur
Organ System Maturation - Neurologic System and State Of Consciousness: What is the crying stage?
Infant cries or screams and it is difficult to gain the infants attention
Organ System Maturation - Neurologic System and Brian Growth: Brain weight by 5 months?
Half of that of the adult brain
Organ System Maturation - Neurologic System and Brian Growth: Brian growth at 12 months?
Weights 2.5x that it did at birth
Organ System Maturation - Neurologic System and Brian Growth: How long doees the anterior fontanel remain open ?
Until 12-18 months of age. But may close as early as 9 months of age
Organ System Maturation - Neurologic System and Brian Growth: Myelination of spinal cord and nerves continues for how long?
First 2 years
Organ System Maturation - Neurologic System and Reflexes: Selected primitive reflexes present at birth include? And when do they disappear?
Moro, root, suck, asymmetric, tonic neck, plantar and palmar grasp, step, and Babinski
All disappear by 6 months except for Babinski at one year
Organ System Maturation - Neurologic System and Reflexes: What are protective reflexes?
Gross motor responses related to maintenance of equilibrium. Include righting and parachute reactions
Organ System Maturation - Neurologic System and Reflexes: What indicates a healthy neurologic system here?
Appropriate presence and disappearance of primitive reflexes, as well as development of protective reflexes.
Organ System Maturation - Respiratory System: Change in RR?
From 30-60 to 20-30 in 1 year old.
Organ System Maturation - Respiratory System: When changes occur here in comparasion to an adult?
Nasal passages narrower
Trachea and chest wall more compliant
Bronchi shorter
Larynx more funnel shapes
tongue is larger
Organ System Maturation - Respiratory System: When does this reach maturity level?
7 years of age
Organ System Maturation - Respiratory System: Lack of IgA causes what?
Lacks in mucosal lining of upper respiratory tract and also contributes to the frequent infections that occur in infancy