The embryonic disk __________.
- A. becomes the new organism
- B. is the outer ring of cells on a blastocyst
- C. has a good chance of survival outside the womb
- D. is a protective membrane that surrounds the amnion
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
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Which statement about interventions that support parents and preterm infants is true?
- A. Preterm infants whose parents receive coaching show no gains in mental test performance.
- B. Babies who are both preterm and economically disadvantaged require long-term, intensive intervention.
- C. For economically disadvantaged parents of preterm infants, just a few sessions of coaching are required.
- D. Even for parents with adequate economic and personal resources, long-term, intensive intervention is necessary.
Correct Answer: B
Rationale: Babies who are both preterm and economically disadvantaged typically require long-term, intensive intervention. This is because the combination of being born preterm and being economically disadvantaged can pose significant challenges for the infant's development. Providing ongoing support and interventions can help address these challenges and promote healthy development in these infants.
What is one strength of the cross-sectional design?
- A. It provides evidence about individual trends.
- B. It cannot be threatened by cohort effects.
- C. It is not plagued with dropout or practice effects.
- D. It permits longitudinal comparisons.
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Which statement describes a limitation of the clinical method?
- A. It may not yield observations typical of participants' behavior in everyday life.
- B. Researchers cannot control conditions under which participants are observed.
- C. The findings cannot be applied to individuals other than the participant.
- D. It does not usually yield rich, descriptive insights into factors that affect development.
Correct Answer: C
Rationale: The statement that describes a limitation of the clinical method is that the findings cannot be applied to individuals other than the participant. The clinical method typically involves in-depth studies of individual participants, which may limit generalizability to a broader population. This means that the findings from a clinical study may not be applicable to other individuals who are not directly involved in the study.
The __________ reflex helps a newborn find the nipple.
- A. rooting
- B. Moro
- C. Babinski
- D. tonic neck
Correct Answer: A
Rationale: The rooting reflex is the correct answer. This reflex helps a newborn baby find the nipple by turning their head and opening their mouth when their cheek is stroked or touched. This is crucial for the baby to locate and latch onto the mother's breast for feeding. The rooting reflex typically disappears around 4 months of age.
Which of the following is a situational barrier to seeking early prenatal care?
- A. psychological stress
- B. difficulty arranging transportation
- C. ambivalence about the pregnancy
- D. demands of taking care of other young children
Correct Answer: B
Rationale: Difficulty arranging transportation can be a situational barrier to seeking early prenatal care because it can prevent pregnant individuals from being able to physically get to their healthcare provider for appointments. This barrier may make it challenging for individuals to access the necessary prenatal care and support for a healthy pregnancy.