psy 240
How many chromosomes does a gamete, or sex cell, have?
23
Typical prenatal development lasts how many weeks?
38 to 40
Which of the following statements is true with regard to conducting ethical research with human subjects at a college or university?
A research ethics committee must approve a study prior to its implementation.
What is the complex molecule, shaped like a spiral staircase, that contains genetic information?
DNA
Which of the following is a chromosomally transmitted form of intellectual disability caused by the presence of an extra copy of chromosome 21?
Down syndrome
______ theory states that behavior is tied to evolution, is strongly affected by biological influence, and is characterized by critical or sensitive periods.
Ethological
Which statement is best supported by the results of current research?
Genes shape predispositions for behaviors or traits, but we need to also take context into account.
Which of the following statements is true about meiosis?
It produces cells with unpaired chromosomes.
Which of the following are cognitive theories of development?
Piaget's developmental theory information-processing theory Vygotsky's sociocultural theory
______ theories view development as being primarily the result of unconscious processes.
Psychoanalytic
The father of psychoanalytic theory is
Sigmund Freud
Which of the following are true statements about the first stage of birth?
The cervix dilates to approximately 10 cm. Contractions become more frequent and intense.
Which of the following happen during mitosis?
Two new cells are formed. A cell's nucleus duplicates itself.
Chorionic villus sampling is a prenatal medical procedure in which
a small sample of the placenta is removed for testing.
Phenylketonuria is best treated by
a specialized diet.
All of the following are physical adjustments that occur during the postpartum period, EXCEPT
a steep rise in dopamine production.
Natalie is 40 years old and in her 15th week of pregnancy. She is concerned that her baby might have Down syndrome. Her doctor performs a(n) ______, which involves withdrawing and testing a sample of amniotic fluid.
amniocentesis
When can chorionic villus sampling be used to screen for genetic defects and chromosomal abnormalities?
between the 10th and 12th week of pregnancy
Ethological theory stresses ______ factors, and ecological theory emphasizes ______ factors.
biological; environmental
Which of the following are recessive characteristics?
blond hair freckles nearsightedness
Which of the following takes place during the germinal period of prenatal development?
cell division attachment of the zygote to the uterine wall creation of the fertilized egg
The threadlike structures found in the nucleus of each human cell and made up of deoxyribonucleic acid are called
chromosomes
One thing that the information-processing theory, Vygotsky's sociocultural theory, and Piaget's developmental theory have in common is that they are all ______ theories.
cognitive
The two new cells created by mitosis
contain the same DNA as the original cell.
Both the behavioral and the social cognitive theories emphasize
continuity in development.
Life-span ______ is the pattern of movement or change that begins at conception and continues through the human life span. Multiple choice question.
development
Both the behavioral and the social cognitive theories of development assume that
development does not occur in a stage-like fashion.
The perspective that does not rigidly believe in any one theoretical perspective but considers multiple theories and selects the best features from each is known as a(n) ______ theoretical orientation.
eclectic
Aysha does not believe any one theory can account for all real-life phenomena. She would most likely adopt a(n) ______ approach to life-span development.
eclectic theoretical orientation
According to ______, the presence or absence of certain experiences is especially important during specific time frames called critical periods.
ethologists
Which of the following outcomes are associated with fetal alcohol spectrum disorders? (Choose every correct answer.)
facial deformities learning problems heart problems
Prenatal development begins with ______ and ends with ______.
fertilization; birth
Which prenatal period lasts about seven months?
fetal
_____ control the reproduction of cells and the assembly of proteins.
genes
Prenatal development is divided into what three periods?
germinal fetal embryonic
By studying life-span development we learn information about ourselves, including which of the following?
how we came to be this way how we will age who we are
The three stages of birth are not of equal length; the first stage is generally ______ than the others.
longer
Which of the following are potential causes of infertility?
low sperm production the woman does not ovulate blocked fallopian tubes
All cells in our bodies, other than eggs and sperm, reproduce through a process called
mitosis
The Brazelton Neonatal Behavioral Assessment Scale is performed to assess the baby's ______ competence.
neurological
What can the Brazelton Neonatal Behavioral Assessment Scale (NBAS) be used to assess?
newborn's reaction to people and objects newborn's neurological development newborn's reflexes
Prenatal care often includes which of the following components?
nutritional services social services comprehensive educational services
Which of the following is a genetic disorder in which an individual cannot properly metabolize a certain amino acid and, if left untreated, causes intellectual disability?
phenylketonuria (PKU)
The umbilical cord connects the baby to the _____, a disk-shaped group of tissues in which small blood vessels from the mother and the offspring intertwine but do not join.
placenta
The ______ period lasts from the end of delivery until the mother's body has returned to a nearly prepregnant state (in about six weeks).
postpartum
A ______ gene will only be expressed if a person does NOT have the ______ gene on the other half of a chromosome pair.
recessive; dominant
In general, prenatal care involves which of the following?
screening for manageable conditions a defined schedule of visits for medial care testing for treatable diseases
Loss of sleep is one of the biggest concerns during the postpartum period and has been shown to affect which of the following?
stress levels decision making marital conflict
Any agent that can potentially cause a birth defect or negatively alter cognitive and behavioral outcomes is referred to as a(n)
tertrogen
Psychoanalytic theories of development place heavy emphasis on the role of
the unconscious.
Which of the following is NOT a reason for conducting research in life-span development?
to determine whether development is important
True or false: The emerging view is that complex behaviors are influenced by genes in ways that give people a propensity for a particular developmental trajectory as well as by complex environments.
true
Normally conducted seven weeks into the pregnancy, ______ is used to detect structural abnormalities in the fetus and when used later in the pregnancy can help determine whether the baby is male or female.
ultrasound sonography
A single cell formed through fertilization is a(n)
zygote
The fertilized egg is called the
zygote