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Human Growth and Development Final Exam Answers
1. In an experimental study examining whether the way angry encounters end affects children's emotional reactions, the dependent variable would be the __________.
- A. way the angry encounters end
- B. amount of unresolved anger
- C. frequency of angry encounters
- D. children's emotional reactions
Correct answer: D
Rationale: In an experimental study examining whether the way angry encounters end affects children's emotional reactions, the dependent variable would be the children's emotional reactions. The dependent variable is the outcome being measured or tested in an experiment. In this study, the researchers are trying to understand how the way angry encounters end influences children's emotions. Therefore, the emotional reactions of the children would be the dependent variable that is being studied and measured in relation to the way angry encounters end. Choices A, B, and C are not the dependent variable in this scenario. While they may be related factors, the main focus of the study is on how the way angry encounters end impacts children's emotional reactions, making children's emotional reactions the dependent variable.
2. When the blastocyst burrows deep into the uterine lining, __________.
- A. implantation occurs
- B. pregnancy does not occur
- C. it stops growing
- D. the cells of the zygote first duplicate
Correct answer: A
Rationale: When the blastocyst burrows deep into the uterine lining, this process is known as implantation. Implantation is a crucial step in the early stages of pregnancy where the blastocyst attaches to the uterine wall in order to receive nourishment and continue developing. Choice B is incorrect because implantation is a necessary step for pregnancy to occur. Choice C is incorrect as implantation marks the beginning of further growth and development. Choice D is incorrect as the duplication of cells occurs during earlier stages of development, not during implantation.
3. Nine-year-old Krista gives part of her allowance to charity and collects canned goods for the food bank through her scout troop. Krista is developing __________.
- A. pride
- B. empathy
- C. guilt
- D. inferiority
Correct answer: B
Rationale: The correct answer is B: empathy. Empathy is the ability to understand and share the feelings of others, which is a crucial social development in childhood. In this scenario, Krista's actions of giving to charity and collecting goods for the food bank demonstrate her growing empathy towards those in need. Choice A, pride, does not capture the essence of understanding and sharing others' feelings. Choice C, guilt, is not appropriate as there is no indication that Krista feels guilty about her actions. Choice D, inferiority, is unrelated to the positive behavior displayed by Krista.
4. Newborn Mariana, who reacts strongly to unpleasant stimuli, is __________.
- A. probably easy to console
- B. susceptible to colic
- C. likely to spend less time in REM sleep
- D. unlikely to respond to swaddling
Correct answer: B
Rationale: Newborn Mariana, who reacts strongly to unpleasant stimuli, is described as susceptible to colic. Colic is often characterized by excessive crying and fussiness in newborn babies, which can be challenging to console. This description suggests that Mariana's strong reactions to unpleasant stimuli may make her more prone to colic. Choices A, C, and D are incorrect because the strong reactions to unpleasant stimuli do not imply being easy to console, affect REM sleep, or responsiveness to swaddling.
5. Which expectant mother has the greatest risk of a baby born with fetal alcohol syndrome?
- A. Chloe, a Caucasian American
- B. Latima, an African American
- C. Yvonne, a Native American
- D. Ming, an Asian American Answer: C Page Ref: 85 Skill Level: Apply known or suspected teratogens. Topic: Prenatal Environmental Influences Difficulty Level: Moderate
Correct answer: C
Rationale: According to research, Native American populations have the highest prevalence of fetal alcohol syndrome (FAS) in the United States. This increased risk is due to various social, cultural, and environmental factors within Native American communities.
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