ATI RN
Human Growth and Development Exam Questions
1. During the second trimester, a white, cheeselike substance called __________ emerges on the skin.
- A. lanugo
- B. corpus luteum
- C. vernix
- D. chorion
Correct answer: C
Rationale: During the second trimester of pregnancy, a white, cheeselike substance called vernix emerges on the skin of the developing fetus. Vernix is a protective layer that helps prevent the skin from becoming waterlogged during the time in the amniotic fluid. Choice A, lanugo, is incorrect as lanugo refers to the fine, soft hair that covers the body of a fetus. Choice B, corpus luteum, is incorrect as it is a temporary endocrine structure involved in the menstrual cycle. Choice D, chorion, is incorrect as it is one of the membranes that surround the embryo and later the fetus.
2. When Reggie takes his baby son, Tyson, to his workplace for the first time, Reggie's assistant abruptly picks Tyson up and walks around the office. Tyson cries and reaches out for Reggie. Tyson is expressing __________.
- A. sadness
- B. stranger anxiety
- C. separation anxiety
- D. disgust
Correct answer: B
Rationale: Tyson is experiencing stranger anxiety in this situation. Stranger anxiety is a common response in infants when they are exposed to unfamiliar people, causing distress and prompting the infant to seek comfort and familiarity, usually from their primary caregiver. This aligns with Tyson crying and reaching out for Reggie, as he is showing signs of discomfort and wariness towards the assistant, who is a stranger to him. Choice A, sadness, does not fit the scenario as Tyson's reaction is more related to fear and discomfort rather than sorrow. Choice C, separation anxiety, is not the correct answer in this context as separation anxiety pertains to distress when separated from a primary caregiver, not when encountering unfamiliar individuals. Choice D, disgust, is also not applicable as Tyson's behavior is not based on revulsion but rather on being in an unfamiliar and distressing situation.
3. 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. Answer: C Page Ref: 34 Skill Level: Understand Topic: Studying Development Difficulty Level: Moderate
Correct answer: C
Rationale: One strength of the cross-sectional design is that it is not plagued with dropout or practice effects. This is because cross-sectional studies assess different individuals at the same point in time, eliminating the risk of participants dropping out or improving due to repeated measures.
4. Dr. Bigelow is interested in studying musical prodigies. Which method is best suited for this type of research?
- A. naturalistic observation
- B. clinical interview
- C. case study
- D. structured interview
Correct answer: C
Rationale: A case study would be the best method for Dr. Bigelow to study musical prodigies. In a case study, the researcher can closely examine and analyze the unique characteristics, abilities, and behaviors of individual subjects. This method allows for in-depth exploration of a specific phenomenon, making it ideal for investigating exceptional cases such as musical prodigies. Naturalistic observation involves observing subjects in their natural environment without interference, which may not provide the detailed insights needed for studying musical prodigies. Clinical interviews focus on gathering information through structured questioning, not ideal for studying unique talents. Structured interviews involve asking a set of predetermined questions, which may not allow for the depth of exploration required for studying musical prodigies.
5. In the scenario where parents at Central Elementary School responded to a multiple-choice questionnaire regarding the most important activity they do with their child, this is an example of a __________.
- A. structured interview
- B. clinical interview
- C. naturalistic observation
- D. structured observation
Correct answer: A
Rationale: A structured interview involves asking individuals a predetermined set of questions in a set order. In this scenario, parents at Central Elementary School were given a multiple-choice questionnaire, which indicates that the questions were predetermined and likely asked in a specific order. This method allows for standardized data collection and comparison across participants. Choice B, clinical interview, involves in-depth questioning aimed at understanding an individual's thoughts, feelings, and behaviors related to psychological issues, which is not the case here. Choice C, naturalistic observation, involves observing individuals in their natural environment without interference, which is not applicable to a questionnaire scenario. Choice D, structured observation, involves systematically observing behavior in predefined ways, not relevant to the given scenario of questionnaire responses.
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