Chapter 3&4 test - human growth
which of the following is more likely to occur in the child of a women who smokes?
-preterm birth -low birth weight -fetal and neonatal death -SIDS -respiratory and cardiovascular issues
babies are born with
100 billion neurons
at the peak of neurogenisis, it is estimated that as many as ______ neurons are being generated every minute
200,000
the Brazelton neonatal behavioural assessment scale is typically performed within
24-36 hours after birth
at birth, the newborns brain is about ___ of its adult weight
25%
infants usually double their birth weight by the age of
4 months
in the first several days of life, most newborns lose_____ percent of their body weight before they adjust to feeding by sucking, swallowing and digesting
5-7%
by the end of the fourth month, the fetus measures
6 inches
by ___ of age babies would usually have moved closer to adult like sleep patterns, spending most of the time sleeping at night and most of the time during the day; awake.
6 months
by the second birthday, the brain is about ___ of its adult weight
75%
which maternal disease is likely to be transmitted to the infant through breast feeding?
AIDS
Embryo and trophoblast
The blastocyst is composed of cells that will eventually develop into:
a national study of more than 3000 randomly selected 4 to 24 month olds documented that
US parents arent feeding their kids enough fruit/vegetables
a teratogen is any agent that can cause
a birth defect
placenta
a group of tissues in which small blood vessels from the mother and offspring intertwine but do not connect
what percentage of an infants sleep is REM?
about half
The third stage of childbirth consists of
afterbirth; placenta, umbilical cord and other membranes detached/expelled
life support system for embryo
amnion, umbilical cord & placenta
the developmentilist who believed motor skills development comes about through maturation is
arnold gesell
the fibre that carries signals away from the neuron's cell body is called
axon
fetal period
begins 2 months after conception and lasts until birth
the fibre that carries signals towards the neuron's cell body is called
dendrites
intake of alcohol by both women and men during the weeks of conception increases risks of
early pregnancy loss
outermost layer of the embryo
ectoderm
gisela is having her first baby and has received a drug that will numb the entire lower area of her body during labor, she has been given;
epidural block
infant night waking problems have been consistently linked to
excessive parental involvement
Germinal period
first two weeks after conception
in the cerebral cortex, the ___ lobes are involved in voluntary movement, thinking, personality and intentionality or purpose
frontal
___ are skills that involve large - muscle activities, such as moving one's arm and walking
gross motor
The cerebral cortex has two ___, each of which is further divided into four ___
halves, main lobes
Once the blastocyst attaches to the uterine wall its called:
implantation
Typical prenatal development
implantation through 8th week of pregnancy
__ involves integrating information from two or more sensory modalities
intermodal perception
middle layer of embryo
mesoderm
midwives and doulas differ in that
midwives help deliver, doulas support the mother
mothers that consume more than 200 milligrams of caffeine a day increase their risk of
miscarriage
teratogen means
monster
A ___ is a layer of fat cells that encases many axons, insulates axons and helps electrical signals travel faster down the axon
myelin sheath
the ___ lobes in there cerebral cortex function in vision
occipital
conception
occurs when a single sperm cell from the male unites with an ovum (egg) in the female's fallopian tube in a process called fertilisation
by two years, children have reached about ___ of their adult weight and about ___ of their adult height
one fifth, half
initially, infants grip with the whole hand, which is called
palmer grasp
the areas in the cerebral cortex that play important roles in registering spatial location, attention and motor control are known as
parietal lobes
the process in which the uterus returns to its pre pregnant size 5 to 6 weeks after birth is known as
post partum period
the food and drug administration recommends the following
pregnant women not consume caffeine or do so sparingly
placenta wall
prevents large molecules like red blood cells and harmful substances, such as most bacteria and maternal wastes, from entering the fetus.
the pattern of growth in which growth starts at the centre of the body and moves towards the extremities
proximodistal pattern
___ are built in reactions to stimuli; govern the newborns movements, which are automatic and beyond the newborns control
reflexes
neuroscientists believe that what wires the brain or rewires it after birth is
repeated experience
___ occurs when information interacts with sensory receptors - the eyes, ears, tongue, nostrils and skin
sensation
___, a temporary cessation of breathing in which the airway is completely blocked, usually for 10 seconds or longer, is a risk factor for sids
sleep apnea
which maternal disease is characterised by eye lesions and skin lesions in the child?
syphilis
in the cerebral cortex, the ___ lobes have an active role in hearing, language processing and memory
temporal
Umbilical cord
the structure that contains two arteries and one vein, and connects the developing embryo to the mothers body
the american academy of pediatrics and the american dietetic association strongly endorse breast feeding
throughout the first year
sequoia is a pregnant women that drinks heavily 3 to 4 days a week, her unborn child is at a high risk of
FASD
Blastocyst
One week after conception, the developing organism is called
average baby weight and height at birth:
20 inches 7 and 1/2 pound
the newborns vision is estimated to be ___ on the well known snellen chart used for eye examinations
20/240
The theorists who developed the ecological view of perceptual development in infancy are
Eleanor and James J Gibson
which drug acts on the nervous system to alter state of consciousness, modify perceptions and change moods?
Psychoactive drugs
