ATI RN
Exam 4 Psychology 101
1. Arrange the three stages of prenatal development in the correct order.
- A. Germinal stage, fetal stage, embryonic stage
- B. Fetal stage, embryonic stage, germinal stage
- C. Embryonic stage, germinal stage, fetal stage
- D. Germinal stage, embryonic stage, fetal stage
Correct answer: D
Rationale: The correct order of the three stages of prenatal development is germinal stage, embryonic stage, and fetal stage. During the germinal stage, the fertilized egg rapidly divides and implants in the uterine wall. The embryonic stage follows, where major organs and systems begin to develop. Finally, during the fetal stage, the developing organism is known as a fetus and continues to grow and mature. Choice A is incorrect because it has the stages in the wrong order. Choice B is incorrect as it also presents the stages out of order. Choice C is incorrect as it reverses the order of the stages. Therefore, the correct answer is D.
2. What are protective factors? Give an example of one and explain how it can impact a person's later functioning.
- A. Protective factors are influences that modify a person's response to environmental stressors, making adverse consequences less likely.
- B. An example of a protective factor is having a warm and caring parent, which may lead to resilience.
- C. Protective factors usually lead to resilience, the ability to adapt successfully to stressful circumstances.
- D. Protective factors always prevent the development of psychopathology.
Correct answer: B
Rationale: Protective factors are influences that modify a person's response to environmental stressors, reducing the likelihood of adverse outcomes. An example of a protective factor is having a warm and caring parent, which can foster resilience in individuals. Resilience allows individuals to adapt successfully to stressful situations. Choice A is incorrect as protective factors do not always prevent adverse consequences but reduce their likelihood. Choice C is incorrect as resilience is the outcome of protective factors, not the other way around. Choice D is incorrect as while protective factors can reduce the risk of psychopathology, they do not always prevent its development.
3. The site of chemical communication in the brain is the ________.
- A. neuron
- B. synapse
- C. axon
- D. dendrite
Correct answer: B
Rationale: The synapse is the correct answer. It is the site where communication between neurons occurs through the release and reception of neurotransmitters. Choice A, neuron, is incorrect as it is the cell itself rather than a specific site of communication. Choice C, axon, is also incorrect as it is a part of the neuron that transmits signals away from the cell body. Choice D, dendrite, is not the correct answer either, as dendrites receive signals from other neurons but do not release neurotransmitters for communication.
4. Unlike other types of anxiety disorders, this one is not triggered by anything specific, hence the name free-floating anxiety.
- A. Social anxiety disorder
- B. Generalized anxiety disorder
- C. Panic disorder
- D. Specific phobia
Correct answer: B
Rationale: The correct answer is B, Generalized anxiety disorder. Generalized anxiety disorder is characterized by persistent and excessive worry or anxiety that is not triggered by specific situations or objects, hence the term 'free-floating anxiety.' Social anxiety disorder (A) is characterized by fear and anxiety about social situations, panic disorder (C) involves recurrent unexpected panic attacks, and specific phobia (D) is an intense fear of a specific object or situation. Therefore, B is the most appropriate choice in the context of anxiety not being triggered by specific stimuli.
5. The genetic influences that determine behavior may never be fully understood due to ________
- A. the ease of researching to differentiate between the effects of the environment and the effects of genes.
- B. the likelihood that most behaviors are determined by the interaction of many genes and the environment.
- C. the tendency to rely on twin studies in genetic research.
- D. our significant understanding of how genes impact brain chemistry.
Correct answer: B
Rationale: The correct answer is B because most behaviors are influenced by a complex interaction of many genes and the environment. Choice A is incorrect because it states that it is easy to differentiate between the effects of the environment and genes, which is not the case. Choice C is incorrect because although twin studies are commonly used in genetic research, this alone does not hinder the full understanding of genetic influences on behavior. Choice D is incorrect because even though we have some understanding of how genes impact brain chemistry, this does not mean that we fully understand the genetic influences on behavior.
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