Nursing Elites

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. Kai and Ken received their Christmas gifts from their parents. Although their gifts vary in many characteristics, the two compared their gifts based on size. This tendency among children is known as:

• A. Semiotic
• B. Abstraction
• C. Preoperational
• D. Overextension

Correct answer: D

Rationale: The correct answer is D, Overextension. Overextension happens when children compare objects or experiences based on one characteristic, such as size. Choices A, B, and C are incorrect. Semiotic refers to the study of signs and symbols; Abstraction is the process of thinking about something as a general concept rather than a specific example; Preoperational is a stage in Piaget's theory of cognitive development, not related to comparing gifts based on size.

3. The process of ________ is used to increase the probability that a behavior will occur.

• A. operant conditioning
• B. reinforcement
• C. classical conditioning
• D. punishment

Correct answer: B

Rationale: The correct answer is reinforcement. Reinforcement involves providing a consequence that increases the likelihood of a behavior being repeated. Operant conditioning (Choice A) refers to learning through consequences for behavior, which includes reinforcement and punishment. Classical conditioning (Choice C) involves forming associations between stimuli and involuntary responses. Punishment (Choice D) involves providing a consequence that decreases the likelihood of a behavior being repeated. In this context, the question specifically asks about a process that increases the probability of a behavior occurring, aligning with the concept of reinforcement.

4. Most behavioral disorders are determined primarily by ________.

• A. genetics
• B. upbringing
• C. diet
• D. environment

Correct answer: A

Rationale: Genetics play a significant role in the development of behavioral disorders. While upbringing, diet, and environment can also influence behavior, genetics are often the primary factor in determining behavioral disorders. Choice B (upbringing) can contribute to behavior but is not the sole determinant of behavioral disorders. Choice C (diet) can impact behavior but is not the primary factor in behavioral disorders. Choice D (environment) can also influence behavior, but genetics typically play a more significant role in determining behavioral disorders.

5. What does the genetic study of identical twins reared apart help to clarify?

• A. Differences in brain function
• B. Genetic influence on behavior
• C. Interaction between genetics and environment
• D. The role of environmental factors alone

Correct answer: C

Rationale: The correct answer is C: 'Interaction between genetics and environment.' The genetic study of identical twins reared apart helps in understanding how both genetics and environment play a role in shaping an individual's traits and behaviors. This type of study allows researchers to tease apart the effects of genetic inheritance from those of environmental influences. Choices A, B, and D are incorrect because the study of identical twins reared apart specifically focuses on the interplay between genetics and environment, rather than solely on differences in brain function, genetic influence on behavior, or the role of environmental factors alone.

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