ATI RN
Human Growth and Development Final Exam
1. 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.
2. The concept of ________ means that because of their genetic makeup, individuals differ in their responsiveness to qualities of the environment.
- A. gene-environment interaction
- B. niche-picking
- C. passive correlation
- D. evocative correlation
Correct answer: A
Rationale: The correct answer is A, gene-environment interaction. This concept highlights that genetic factors play a role in how individuals react to environmental factors. Niche-picking (choice B) refers to the tendency of individuals to select environments that complement their genetic predispositions, not the inherent genetic differences in responsiveness. Passive correlation (choice C) involves the association between the genetic makeup of parents and the environment they provide for their children, not individual differences in responsiveness. Evocative correlation (choice D) relates to the idea that an individual's genetic traits can elicit certain responses from others in the environment, rather than individual differences in responsiveness.
3. Self-esteem takes on a hierarchical structure in __________.
- A. toddlerhood
- B. preschool
- C. middle childhood
- D. adolescence
Correct answer: C
Rationale: In middle childhood, self-esteem becomes more differentiated and organized into a hierarchy based on various domains of competence. This period marks a time when children start to compare their abilities in different areas, such as academic performance, social skills, and physical abilities. Toddlerhood and preschool years are characterized by the development of basic self-awareness and self-concept, but self-esteem hierarchy typically emerges later in middle childhood and further solidifies in adolescence as individuals navigate complex social dynamics and personal identities.
4. During the period of the embryo, the __________ becomes the __________.
- A. mesoderm; nervous system, lungs, internal organs, and skin
- B. chorion; endocrine system, muscles, placenta, and skeleton
- C. ectoderm; circulatory system, skin, skeleton, and internal organs
- D. endoderm; digestive system, lungs, urinary tract, and glands Answer: D Page Ref: 78 Skill Level: Remember Topic: Prenatal Development Difficulty Level: Moderate
Correct answer: D
Rationale: During the period of the embryo, the endoderm becomes the digestive system, lungs, urinary tract, and glands. The endoderm is one of the primary germ layers that give rise to various internal organs in the developing embryo. It plays a crucial role in the formation of organs such as the digestive system, respiratory system, and glandular structures.
5. In field experiments, researchers __________.
- A. selectively assign participants to treatment conditions in natural settings
- B. cannot use random assignment or manipulate treatment conditions
- C. randomly assign participants to treatment conditions in natural settings
- D. have stronger control over the treatment than in the laboratory
Correct answer: C
Rationale: In field experiments, researchers randomly assign participants to treatment conditions in natural settings. This method allows for a higher level of control over potential confounding variables compared to non-random assignment. Random assignment helps ensure that the groups being compared are comparable at the beginning of the study, which strengthens the internal validity of the research findings. Choice A is incorrect because selective assignment may introduce bias. Choice B is incorrect as researchers can use random assignment in field experiments. Choice D is incorrect because field experiments typically have less control over the treatment compared to laboratory experiments.
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