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. Why is it difficult to determine the nature of the relationship between divorce and the psychological functioning of family members?

• A. Cause and effect cannot be determined as preexisting behavioral abnormalities in either the parents or the children may make divorce more likely.
• B. The findings have been too inconsistent to draw any conclusions.
• C. While the effects of divorce are negative on children, the effects on the spouses are generally positive.
• D. Due to modern acceptance of divorce, there has been an ongoing decrease in the negative effects of divorce.

Correct answer: A

Rationale: The correct answer is A because it highlights a crucial factor that makes it challenging to establish a clear cause and effect relationship between divorce and the psychological functioning of family members. Preexisting behavioral abnormalities in either the parents or the children may influence both the likelihood of divorce and the psychological functioning of family members. Choice B is incorrect as it generalizes the findings without specifying the key issue of preexisting conditions. Choice C is incorrect as it oversimplifies the effects of divorce on family members. Choice D is incorrect as it presents a broad statement without addressing the complexities involved in determining the effects of divorce.

3. Normal human cells have ________

• A. twenty-two chromosome pairs and one pair of sex chromosomes.
• B. twenty-one trisomy chromosome pairs, one autosomal pair, and one pair of sex chromosomes.
• C. twenty-one chromosome pairs and two trisomy chromosome pairs.
• D. twenty-three chromosome pairs.

Correct answer: A

Rationale: Normal human cells have twenty-two chromosome pairs and one pair of sex chromosomes. This is the correct answer as it accurately describes the typical chromosome count in human cells. Choice B is incorrect because it mentions 'twenty-one trisomy chromosome pairs,' which is not characteristic of normal cells. Choice C is incorrect as it suggests having 'two trisomy chromosome pairs,' which is abnormal. Choice D is incorrect as it states 'twenty-three chromosome pairs,' which is not the standard count in normal human cells.

4. According to Freud, a person who does not appropriately resolve each psychosexual stage would be _________ at that stage.

• A. defended
• B. fixated
• C. repressed
• D. displaced

Correct answer: B

Rationale: According to Freud's theory of psychosexual development, if a person does not resolve a particular stage successfully, they become fixated at that stage. This fixation can lead to behavior patterns characteristic of that stage in later life. In this context, 'defended' is incorrect because it does not align with Freud's theory of fixation. 'Repressed' is not the correct choice as it refers to the unconscious suppression of thoughts or desires. 'Displaced' involves redirecting emotions from their original source to a substitute target, which is not the concept Freud associated with unresolved psychosexual stages.

5. What did Freud believe about castration anxiety among boys?

• A. Results in penis envy.
• B. Dissolves the Oedipus complex.
• C. Cognitive; learning.
• D. Biological; ecological.

Correct answer: B

Rationale: Freud believed that castration anxiety among boys leads to the resolution of the Oedipus complex, not penis envy or cognitive learning. The Oedipus complex is a central psychodynamic concept in Freudian theory, where boys develop unconscious desires for their mothers and view their fathers as rivals, fearing castration by their fathers as a consequence.

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