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HDFS 3050 Exam Questions and Answers
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HDFS 3050 Exam Questions and Answers
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HDFS 3050 Exam Questions andAnswers
All of the following are reasons to study infants except - Answer-the effects of adversity
that occurs before the age of 3 are less permanent than adversity that occurs at later
ages
All of the following are themes of development discussed in the lectures except -
Answer-whether development is a closed or open system
All of the following statements support the notion that nature and nurture work together
except - Answer-all infants who inherit a gene for a disease develop that disease,
regardless of differences in their nutrition and caregiving experience
Which of the following best reflects current thinking about the influence of the
environment on infants' development? - Answer-Environmental influences can be both
direct and indirect, involving environments in which infants never spend any time.
James Mark Baldwin's inclusion of research on animals in his studies of the
development of human infants' hand preference reflected - Answer-the influence of
theories of evolution on studies of human behavior and development
All of the following statements comparing naturalistic and laboratory studies are true
except - Answer-laboratory studies are less ideal for investigating behaviors that occur
infrequently in everyday settings
When a research team selected participants for a study of mother-infant play, they
chose a socioeconomically and racially/ethnically diverse sample. By doing this, the
researchers will increase their study's - Answer-external validity
Why do researchers use random assignment to place participants into one of two or
more groups? - Answer-To randomly distribute the presence of potentially influential
differences between groups and increase the chance of drawing a causal inference.
In the longitudinal research design, the same sample of children is studied over time,
measuring their behavior or abilities at intervals of months or even years. - Answer-true
All of the following research designs enable researchers to study change in the same
individuals except - Answer-cross-sectional
Research ethics with infants address all of the following except - Answer-the
demographic characteristics of the participants
, Which of the following statements about chromosomes is correct? - Answer-females
have two X chromosomes, males have one X and one Y
Prior to conception, the sex cells of the egg divide through the process of - Answer-
meiosis
The prenatal stage of development that begins with fertilization and ends at
approximately 2 weeks is the _____ stage. - Answer-germinal
After the zygote is implanted in the uterine lining, it is referred to as a(n) _____. -
Answer-embryo
Marcus and Tonya's baby was born with significant respiratory and digestive tract
problems. This suggests that there may have been a problem during the development
of the - Answer-endoderm
Spina bifida and anencephaly are different forms of neural tube defects. - Answer-true
The leading preventable cause of birth defects, mental retardation, and
neurodevelopmental disorders is - Answer-prenatal exposure to alcohol
If Maria's delivery proceeds normally, her baby will be born in the head-first vertex
position. - Answer-true
Sam was born 30 weeks postconception. Compared with babies born full term, he faces
an increased risk for all of the following except - Answer-reactive attachment disorder
Deanna's due date is December 29th, but if the baby does not arrive by the 30th,
Deanna will ask her doctor to induce labor so that she and her spouse can claim a tax
deduction in the current year instead of having to wait until the next year. Her
obstetrician is likely to give all of the following responses except - Answer-"Induced
labor rates have dropped, and almost no doctors perform this procedure any more."
Carmen wants to reduce feelings of pain during childbirth without losing the ability to
feel or move her legs. She will probably choose _____. - Answer-analgesic medication
In the _____ assesment, the newborn's color, heart rate, reflex irritability, muscle tone,
and breathing are checked and rated from 0 to 2. - Answer-Apgar
The nurse examining newborn Felix at his first well-baby check-up holds him upright
and places his feet on the surface of the examination table. If Felix is like most other
healthy newborns, this will trigger the _____ reflex. - Answer-stepping
The dense, fatty sheath that enhances the speed with which electrical messages can be
sent between neurons is known as _____. - Answer-myelin
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