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Human Growth and Development Final Exam Answers
1. The third stage of labor lasts about __________.
- A. 5 to 10 minutes
- B. 20 to 50 minutes
- C. 4 to 6 hours
- D. 12 to 14 hours
Correct answer: A
Rationale: The correct answer is A: 5 to 10 minutes. The third stage of labor typically lasts about 5 to 10 minutes. This stage begins after the baby is born and ends when the placenta is delivered. It is the shortest stage of labor compared to the first and second stages. Choice B, 20 to 50 minutes, is incorrect as it is too long for the duration of the third stage. Choice C, 4 to 6 hours, and Choice D, 12 to 14 hours, are also incorrect as they are significantly longer than the actual duration of the third stage of labor.
2. During the second month of pregnancy, __________.
- A. the umbilical cord first appears as a primitive body stalk
- B. touch sensitivity extends to most of the body
- C. the heart develops separate chambers
- D. the heartbeat can be heard through a stethoscope
Correct answer: C
Rationale: During the second month of pregnancy, the heart of the developing fetus begins to develop separate chambers, forming the structure necessary for a fully functioning heart. This is a significant milestone in the prenatal development process. Choices A, B, and D are incorrect because the appearance of the umbilical cord as a primitive body stalk typically occurs around week 5-6, touch sensitivity extending to most of the body is more characteristic of the end of the second trimester, and the heartbeat is usually detectable through a stethoscope around the 18th to 20th week of pregnancy, not during the second month.
3. The harm done by teratogens __________.
- A. is straightforward and predictable
- B. is usually apparent at birth
- C. rarely goes beyond physical damage
- D. depends on age at the time of exposure
Correct answer: D
Rationale: The harm done by teratogens depends on the age at the time of exposure. This means that the effects may vary depending on the developmental stage of the fetus when exposed to the teratogen. Teratogens can have different impacts at different stages of pregnancy, leading to a range of potential outcomes in terms of physical and/or cognitive development. Choices A, B, and C are incorrect because the harm caused by teratogens is not straightforward, may not be apparent at birth, and can go beyond physical damage, affecting cognitive development as well.
4. __________ love is strong at the beginning of a relationship.
- A. Compassionate
- B. Affectionate
- C. Passionate
- D. Companionate
Correct answer: C
Rationale: Passionate love is characterized by intense emotions and physical attraction, which are common in the early stages of relationships. Compassionate love involves deep affection, but it develops over time based on mutual respect, trust, and intimacy. Affectionate love is warm and tender, but it may not necessarily have the intense emotions associated with passionate love. Companionate love is based on friendship, respect, and affection, but it may lack the intense emotions and physical attraction that characterize passionate love.
5. What is a major strength of the clinical interview?
- A. Makes comparing individuals' responses very easy
- B. Can provide a large amount of information in a fairly brief period
- C. Is directed toward understanding a culture or distinct social group
- D. Allows researchers to see the behavior of interest as it occurs in natural settings
Correct answer: B
Rationale: The major strength of the clinical interview is that it can provide a large amount of information in a fairly brief period. This allows researchers to gather detailed data about an individual's thoughts, feelings, and behaviors efficiently. Choice A is incorrect because the clinical interview focuses on gathering information from individuals rather than comparing their responses. Choice C is incorrect as clinical interviews are primarily aimed at understanding individuals rather than cultures or social groups. Choice D is incorrect as it describes a strength of naturalistic observations, not clinical interviews.
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