Chapter 9 Flashcards
Which of these are developmental psychologists not interested in?
a. Using childhood development to understand adults
b. The effects of genetic factors
c. The effect of family, school, and community on traits like aggressiveness and intelligence.
d. To describe how and why humans develop complex tools.
D.
Conception generally takes place in the f________ t____.
Fallopian tubes.
TRUE OR FALSE: The zygote is static in the fallopian tubes.
FALSE (divides repeatedly)
The zygote needs _ - _ days to reach the uterus, and wanders the uterus for _ - _ days.
3-4 days (Both)
Implantation takes a (day/week/month)
Week
The germinal stage describes the
a. Fertilization
b. Period from conception to implantation
c. Period from implantation to complete organ development.
B.
TRUE OR FALSE: The embryo receives nourishment from the parent only after the germinal stage.
TRUE
The development of internal organs ____________ the extremities.
Precedes
What must be in place for nourishment and further development to occur? (Hint: B____/o______ s________)
Brain and organ systems
When does the nervous system start transmitting messages?
a. During the first week
b. During the second month
c. Upon the third month
d. In the first 6 weeks
B
If an embryo is 1/4-1/2 of an inch with developed reproductive organs, how old is it?
5-6 weeks.
When does the chromosomal differentiation of reproductive organs occur?
a. 6 weeks
b. 7 weeks
c. 1 month
d. 2 months
B
In the absence of further androgen, XY embryos will:
Develop infertile XX reproductive organs
The embryo has a rounded head, distinct facial features, is 1 inch, and weighs 1/30th of an ounce. How old is it?
a. Nearly one month old
b. Almost three months old.
c. About two months old
B
The heart starts beating when you are 1/_th of an inch and a fraction of an _______.
5th, ounce.
The a___________ ___ contains the embryo, with fluid that acts as a natural airbag.
Amniotic sac
The a_________ ___ provides an even temperature for the embryo.
Amniotic sac
The (placenta/amniotic sac) is primarily responsible for transferring nutrients and waste.
Placenta
The embryo is connected to the placenta through the u___________ ____.
Umbilical cord.
The placenta is connected to the mother through blood vessels in the u________ wall.
Uterine
The fetal stage lasts:
a. From the first to the third month
b. From the third month to birth
c. From the fifth to the sixth month
B
The embryo has developed major organ systems & fingers/toes. How old is it?
a. 2 months old
b. 4 weeks old
c. 3 months old
C
The mother detects fetal movements by the middle of the ___ month.
4th
Kicking occurs during the ___ month.
6th
The fetus opens & shuts its eyes, sucks its thumb, and develops a circadian rhythm. How old is it?
a. During the middle of the 5th month
b. During the middle of the 4th month
c. During the middle of the 6th month
B
The heart and lungs become capable of independant life during:
a. The last 3 months of pregnancy
b. The 5th month
c. The 4th month
A
The embryo gains 5 1/2 pounds and doubles in length. How old is it?
a. In the last 3 months of pregnancy
b. The 5th month
c. The 4th month
A
Infancy is considered:
a. The time from conception to birth
b. The time from birth to one year old
c. The time from birth to two years old.
d. The time from birth to three years old.
C
TRUE OR FALSE: During infancy, there isn’t much increase in height or weight.
FALSE
Infants double their weight within about _ months.
5
Infants triple their weight within about _ year(s).
1
Height increases by __ inches in the first year.
10
Children grow about _ - _ pounds in weight and _ - _ inches in height after the second year.
4-7, 4-6.
After age 2, children gain _ - _ inches until the adolescent growth spurt. Children gain _ - _ pounds during this time.
2-3, 4-6.
Rooting is the turning of an infant’s head towards t_____.
Touch.
TRUE OR FALSE: Babies know its important to eat to survive.
FALSE
____________ _______ makes infants avoid painful sensations.
Withdrawal reflexes
The startle, or M___ reflex leads infants to draw up their legs and arch their backs while being held.
Moro
The grasp/palmar reflex leads infants to grab objects that press against their _____.
Palms
The Babinski reflex leads infants to fan their toes when their ______ are stimulated.
Soles
The moro, palmar, and babinski reflexes are used to test n_______ functioning.
Neural
TRUE OR FALSE: Babies breath, sneeze, cough, yawn, blink, and use the bathroom reflexively.
TRUE
M_________ and e___________ are important to motor development.
Maturity and experience.
Which of these provide the most interesting changes in infants, esp. during their first year?
a. Language function
b. Motor development
c. Creative skills
B
The sequence of motor development starts with ________ over.
Rolling.
TRUE OR FALSE: After rolling over, children learn to sit up.
TRUE
Crawling (and creeping) comes after s_______.
Sitting.
TRUE OR FALSE: Maturation and environment both play a role in physical, motor, & language development.
TRUE
Newborns spend around __ hours sleeping.
16
It takes infants _ months to discriminate most colors.
3
Are newborns nearsighted or farsighted?
Nearsighted
It takes _ months for infants to shake their nearsightedness.
4
TRUE OR FALSE: Fixation time deals with many stimuli at once.
FALSE
Fantz research revealed that infants preferred to look at _____.
Faces.
Infants understand depth once they’re around - months old, (helping them avoid falls) or about old enough to crawl.
6-8
TRUE OR FALSE: Newborns are deaf.
FALSE
What do findings about infant hearing and visual ability suggest?
That infants are preprogrammed for the real world.
