GROWTH & DEVELOPMENT OF INFANT Flashcards
grow rapidly both, in size and their ability to perform task.
Infants
PHYSICAL GROWTH
there is rapid gain in physical size and maturation.
as a rule, most infants double their Birth it at - months and triples it by one year.
4-6
1st 6 months - wt. gain of
2 lbs per month.
2nd 6 months – wt. gain of
1 lb per month.
Average boy 1 year old weighs
10 kg. (22 lb.),
verage girl weighs
9.5k (21 lb.).
increases in height during the first year by 50% and grows from
20 inches - 30 inches
During the early months is most apparent in the
trunk,
and during the second half is most apparent as
lengthening of legs.
HC increases rapidly during infant period reflecting rapid brain growth, by end of first year. Brain has reached __ of adult size.
2/3
HC is greater than chest circumference within age 2 by about .
2 cm
The abdomen remain _____ until child has been walking well into toddler period:
protuberant
____ ___, lumbar vertebral curves develops as infants hold their head, sit and walk.
Cervical thoracic
lengthening of lower extremities during
1st 6 months readies the child for walking.
HR slows from ___ to ___ bpm. by end of first year. Heart occupies half the width of chest. .
160 -120
BP-ave, __/__. to / mmHg
80/40 to 100/60
Infants are prone to develop _ - @ at 2-3 months. This occurs because the life of a red blood cell is 4 months.
PHYSIOLOGIC ANEMIA
Hgb is converted from fetal to adult hgb at months. Sevron levels decrease by 6-9 months.
5-6
RR slows from 30 to 60 b/min to __ ___ b/min. by end of 1st year.
20-30
Because the lumen of the respiratory tract is small and mucus production is inefficient. Upper respiratory tract infections are common and severe than adult.
TRUE OR FALSE
TRUE
at birth is immature, ability to digest protein to present, amount of amylase needed for of complex carbohydrates is deficient approximately the _rd month.
3
needed for digestion of saturated fat is decreased during entire first year.
Lipase
remains immature, causing inadequate conjugation of drugs.
LIVER
Infants can independently drink from a cup by
8-10 months.
remain immature and not as efficient in eliminating body wastes as in adults.
KIDNEYS
remains immature without insulin & adrenocorticotropic hormones and an infant may not be able to respond to stress effectively.
ENDOCRINE SYSTEM
An infants Immune system becomes functional by 2 months of age, an infant can actively produce both IgG & IgM antibodies by __ year
1
IgA, IgD & IgE are not plentiful until
preschool.
