Nursing Elites

1. 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.

2. Which term refers to events that typically happen to everyone at certain times of life?

• A. Normative age-graded influence
• B. Social clock
• C. Sensitive period
• D. Normative history-graded influences

Correct answer: A

Rationale: The correct answer is A: Normative age-graded influence. Normative age-graded influences are events that typically happen to everyone at certain life stages, such as marriage, parenthood, puberty, and menopause. Choice B, 'Social clock,' refers to the culturally preferred timing of social events. Choice C, 'Sensitive period,' represents a time when a particular development occurs most easily. Choice D, 'Normative history-graded influences,' are common to people of a particular generation due to historical circumstances.

3. In order to develop chicken pox, one must be exposed to the virus that causes chicken pox. Note, however, that not everyone who is exposed to the virus is affected. In other words, the virus is a ________

• A. risk factor.
• B. necessary cause.
• C. sufficient cause.
• D. contributory cause.

Correct answer: B

Rationale: The correct answer is B: 'necessary cause.' A necessary cause must be present for a disorder to occur. In the context of developing chicken pox, being exposed to the virus is a necessary condition for contracting the disease. Choices A, C, and D are incorrect. A 'risk factor' increases the probability of developing a disease but is not essential for its occurrence. A 'sufficient cause' can produce the outcome on its own, which is not the case with exposure to the chicken pox virus. A 'contributory cause' adds to other causes to produce an effect, but in this scenario, exposure to the virus is crucial by itself.

4. Genes ________

• A. determine how a person will behave.
• B. cause people to develop mental disorders.
• C. determine what characteristics a person will have.
• D. determine the range of characteristics a person has.

Correct answer: D

Rationale: Genes determine the range of characteristics a person has. Choice A is incorrect because genes do not solely determine behavior, as behavior is influenced by a combination of genetic and environmental factors. Choice B is incorrect because while genes can contribute to the risk of developing mental disorders, they do not directly cause them. Choice C is incorrect as genes contribute to but do not solely determine all characteristics a person will have.

5. How does the environment interact with genetic predispositions to influence mental health?

• A. The environment has no influence on mental health.
• B. The environment interacts with genetic predispositions to either enhance or mitigate mental health risks.
• C. The environment can only influence physical health, not mental health.
• D. The environment has a minimal effect on mental health outcomes.

Correct answer: B

Rationale: The correct answer is B. The environment interacts with genetic predispositions to either enhance or mitigate mental health risks. This highlights the intricate relationship between one's genetic makeup and the environmental factors they are exposed to, both contributing significantly to mental health outcomes. Choice A is incorrect as numerous studies show that the environment plays a crucial role in mental health. Choice C is incorrect as the environment can influence both physical and mental health. Choice D is incorrect as research indicates that the environment can have a substantial impact on mental health outcomes.

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