ATI RN
Human Growth and Development Exam 1
1. According to Piaget, in which stage of cognitive development is four-year-old R’Monte who engages in make-believe play by stirring beads in a bowl and saying, “Soup is ready!�
- A. sensorimotor
- B. preoperational
- C. concrete operational
- D. sociocultural
Correct answer: B
Rationale: According to Piaget's theory of cognitive development, four-year-old R’Monte's engagement in make-believe play, such as pretending to stir beads in a bowl and creating imaginary soup, indicates that he is in the preoperational stage of cognitive development. This stage is characterized by symbolic thinking, pretend play, language development, and egocentrism. Choice A, sensorimotor, is incorrect as this stage occurs in infancy and focuses on sensory experiences and object permanence. Choice C, concrete operational, is incorrect as this stage occurs around ages 7-11 and involves logical reasoning about concrete events. Choice D, sociocultural, is incorrect as it does not correspond to Piaget's stages of cognitive development.
2. Dr. McBride wants to know if the teacher's use of encouragement in the classroom affects the children's self-esteem. To assign children to treatment conditions, Dr. McBride should __________.
- A. carefully distribute the children according to their test scores
- B. divide the children so each group has an equal number of boys and girls
- C. draw the children's names out of a hat
- D. assign the quieter children to the same treatment condition
Correct answer: C
Rationale: Drawing the children's names out of a hat is a way to randomly assign them to treatment conditions. Random assignment helps to ensure that any differences in self-esteem that may be observed in the study are not due to pre-existing characteristics of the children. This method helps to establish a cause-and-effect relationship between the teacher's use of encouragement and the children's self-esteem. Choice A is incorrect because assigning children based on test scores may introduce bias into the study. Choice B is incorrect as balancing gender is not relevant to the research question. Choice D is incorrect as it introduces a bias by selecting a specific group of children based on a characteristic unrelated to the study objective.
3. According to cognitive-developmental theory, a scheme is __________.
- A. an internal process that occurs apart from any contact with the environment
- B. the understanding that objects continue to exist when out of sight
- C. the ability to copy the behavior of others
- D. an organized way of making sense of experience
Correct answer: D
Rationale: In cognitive-developmental theory, a scheme is an organized way of making sense of experience. This term refers to mental structures or frameworks that help individuals interpret and understand the world around them. Choice A is incorrect because schemes are developed through interaction with the environment. Choice B refers to object permanence, a concept from Piaget's theory of cognitive development, not schemes. Choice C describes observational learning, which is different from the concept of schemes in cognitive development.
4. During which period does the germinal period occur?
- A. Occurs during the second trimester of pregnancy
- B. Lasts about six weeks
- C. Lasts about two weeks
- D. Is the final period of a 38-week pregnancy
Correct answer: C
Rationale: The germinal period lasts about two weeks and occurs during the first two weeks of pregnancy. This is the time when the fertilized egg implants into the uterus and begins to divide rapidly. It is followed by the embryonic period, which lasts from about week 3 to week 8 of pregnancy. Choice A is incorrect because the germinal period happens in the early stages of pregnancy, not the second trimester. Choice B is incorrect because the germinal period typically lasts about two weeks, not six. Choice D is incorrect because the germinal period is an early stage of pregnancy and not the final period of a 38-week pregnancy.
5. Maternal high blood glucose _________.
- A. can cause Rh factor incompatibility
- B. is linked to poorer memory in early childhood
- C. is linked to low birth weight
- D. can cause the mother's blood pressure to increase sharply
Correct answer: B
Rationale: Maternal high blood glucose is linked to poorer memory in early childhood. Research has shown that exposure to high levels of maternal blood glucose during pregnancy may negatively impact a child's memory development in early childhood. This highlights the importance of managing blood glucose levels during pregnancy for the health and development of the child. Choices A, C, and D are incorrect because they do not reflect the established link between maternal high blood glucose and poorer memory in early childhood. Rh factor incompatibility is related to blood type differences between the mother and the fetus, low birth weight can be linked to various factors other than maternal blood glucose, and sharp increases in the mother's blood pressure are not directly associated with maternal high blood glucose.
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