Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/62

Click to flip

62 Cards in this Set

  • Front
  • Back
Define:
age of viability
age at which a fetus can survive because most of it's bodily systems function adequately; typically at seven months after conception
Define:
alleles
variation of genes
Define:
amnion
inner sac in which the developing child rests
Define:
amniotic fluid
fluid that surrounds the fetus
Define:
autosomes
the first 22 paris of chromosomes
Define:
cerebral cortex
wrinkled surface of the brain that regulates many functions that are distinctly human
Define:
cohort effects
differences between individuals that result from experiences and circumstances unique to a person's particular generation.
Define:
ecological theory
view that human development cannot be separated from the environmental contextes in which it occurs
Define:
information-processing
view that human cognition consists of mental hardware and software
Define:
mesoderm
middle layer of the embryo; becomes the muscles, bones, and the circulatory system
Define:
monozygotic twins
result when a single fertilized egg splits to form two new individuals; also called identical twins.
Define:
nature-nurture issue
issue concerning the manner in which genetic and environmental factors influence development
Define:
niche-picking
process of deliberately seeking environments that are compatible with ones genetic makeup
Define:
period of the fetus
longest period of prenatal development, extending from the 9th until the 38th week after conception.
Define:
phenotype
physical, behavioral, and psychological features that result from the interaction between one's genes and the environment
Define:
phenylketonuria (PKU)
inherited disorder in which the infant lacks a liver enzyme
Define:
placenta
structures through which nutrients and wastes are exchanged between the mother and the developing child
Define:
polygenetic inheritance
when phenotypes are the result of the combined activity of many separate genes
Define:
prenatal development
the many changes that turn a fertilized egg into a new born human
Define:
preterm (premature)
babies born before the 36th week after conception
Define:
sociocultural forces
all interpersonal, societal, cultural and eithical factors that influence development
Define:
social cognative theory
the view that thinking, as well as directing reinforcement and punishment, plays an important part in shaping behavior
Egg and sperm cells each contain ____ chromosomes
23
What sex chromosome pair would produce a male?
XY
Physical, behavioral, and psychological features are referred to as a person's ...
phenotype
When the alleles in a gene pair are the same, the pair is
homozygous
Inheritance of eye color operates on the dominant-recessive principle. The gene for brown eyes (B) is dominant and the gene for blue eyes (b) is recessive. If Amy inherited one brown eye allele (B) and one blue eye allele (b), what color eyes does she have?
Brown
Intelligence is determined by a number of different genes. Therefore, intelligence follows a ______ pattern of inheritance.
polygenic
Barry and Larry are twins that came from a single fertilized egg that split in two. They are ________ twins.
Monozygotic
If a trait is strongly influenced by genetic factors, one would expect to find that with respect to that trait …
adopted children resemble their biological parents more than their adoptive parents.
Seth was born with extra chromosomes. He …
may survive but is likely to have disturbed development
When a genotype can lead to a wide variety of phenotypes depending on the environment, that genotype has a relatively large ….
Reaction range
Natalie, who inherited musical ability from her father, often seeks out opportunities to exercise her singing talent. Natalie’s behavior is a good example of …
niche-picking
________ is being performed when a human egg is fertilized by sperm while both are in a petri dish.
In vitro fertilization
Attempting to improve the human species by allowing only certain select people to reproduce is called ….
Eugenics
What are the periods of prenatal development in the correct sequence from first to last?
Zygote, embryo, fetus
A fertilized egg is first known as a …
zygote
When the zygote has burrowed into the uterine wall and established connections with a woman’s blood vessels, ____ has just occurred.
implantation
When is implantation usually complete? After what event?
12 – 14 days after fertilization
Nutrients and wastes are exchanged between the mother and the fetus through the …
placenta
In prenatal development, most body structures and internal organs are formed during the period of the …
embryo
The embryo rests in a sac called the …
amnion
How many months after conception is the age of viability?
Seven
Maternal stress during pregnancy is associated with what two traits in babies.
Premature birth and irritability
Carol drank alcohol moderately throughout her pregnancy. What will likely be the effect?
She will likely have a child whose development was harmed prenatally
When a developing organism is exposed to a teratogen during the period of the zygote, the usual result is …
spontaneous abortion
________ is a prenatal diagnostic procedure in which a sample of tissue is obtained from part of the placenta.
Chorionic villus sampling
Janna is seven weeks pregnant with her fourth child and is gaining weight much more quickly than she did during her first three pregnancies. She suspects she might be carrying twins. Which of the following procedures could determine whether she is pregnant with twins the earliest with the least risk of causing a miscarriage?
Ultrasound
Crowning occurs during stage ________ of labor
two
What event occurs during stage 3 of labor?
The placenta is expelled.
What strategy would you least expect to find as a part of a childbirth class?
Encouraging pregnant women to maximize the use of pain-relieving drugs during birth
Premature babies are those who arrive before the ________ week of gestation.
36th
True or False:
Symptoms of fetal alcohol syndrome include facial deformities, mental retardation, and attention disorders.
True
True or False:
Damage from teratogens are sometimes not evident until later in life.
True
True or False:
Research has demonstrated that childbirth techniques designed to reduce pain during labor do not work.
False
True or False:
The condition of hypoxia involves a reduction in the flow of oxygen.
True
True or False:
A typical fertilized egg contains a total of 22 pairs of chromosomes.
False
True or False:
While characterized as a progressive and fatal disorder, symptoms of Huntington’s disease can be eliminated through a special diet.
False
True or False:
The correct order of prenatal development is zygote to embryo to fetus.
True
True or False:
In vitro fertilization takes place in a test tube.
False
True or False:
Research has shown that newborns are capable of recognizing the rhythm of their mother’s voices they heard when they were fetuses.
True
True or False:
Pregnant women who fail to consume enough vitamin A are at risk for giving birth to a baby with spinal bifida.
False