ATI RN
Psychology 101 Final Exam
1. 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.
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. Charles has suffered from schizophrenia for many years and now resides in a group treatment facility. One day a nurse approaches him and quietly tells him that his sister, who has been fighting cancer for many months, died that morning. Charles has no appreciable facial reaction and in a very monotone voice says, 'okay.' The nurse is not surprised by Charles's lack of response to the awful news because she knows that _________ is one symptom often seen in those suffering from schizophrenia?
- A. Clang associations
- B. Echolalia
- C. Blunted affect
- D. Perseveration
Correct answer: C
Rationale: In individuals with schizophrenia, blunted affect, or reduced emotional expression, is a common symptom. In this scenario, Charles's lack of emotional response upon hearing about his sister's death aligns with the characteristic of blunted affect. This symptom can manifest as a limited range of facial expressions, monotone voice, and reduced display of emotions. Choice A, 'Clang associations,' refers to a thought disorder characterized by the use of words that sound alike but are not logically connected. Choice B, 'Echolalia,' is the repetition of words spoken by others. Choice D, 'Perseveration,' is the persistent repetition of a response or behavior even when it is no longer appropriate.
4. A psychological disorder is said to have an acute onset if the symptoms develop ______, while it has an insidious onset if the symptoms develop ______.
- A. Suddenly;gradually
- B. Suddenly;atypically
- C. Gradually;atypically
- D. Atypically;suddenly
Correct answer: A
Rationale: An acute onset refers to the sudden development of symptoms, whereas an insidious onset indicates a gradual progression of symptoms. Therefore, the correct answer is 'Suddenly;gradually.' The other choices are incorrect because 'atypically' does not accurately describe the onset of symptoms in this context.
5. What are some common methods used to study genetic influences on behavior?
- A. Genetic influences are studied only through twin studies.
- B. Common methods include twin studies, adoption studies, and gene mapping.
- C. Genetic influences on behavior are only studied through family history.
- D. Genetic influences on behavior are not well understood.
Correct answer: B
Rationale: Common methods used to study genetic influences on behavior include twin studies, adoption studies, and gene mapping. Twin studies help to compare the similarities between identical and fraternal twins to estimate the heritability of a trait. Adoption studies look at the similarities between adopted children and their biological and adoptive parents to determine genetic influences. Gene mapping involves identifying specific genes associated with certain behaviors. Choices A, C, and D are incorrect because genetic influences on behavior are not solely studied through twin studies or family history, and while the understanding of genetic influences may vary, there are established methods to study them.
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