Nursing Elites

1. An elementary school principal wants to know the best predictors of juvenile delinquency and dropping out of school in high school so she can provide preventive interventions. Your best advice is ________.

• A. Look for kids who are very popular because they are class clowns.
• B. Silent, depressed, loners tend to be dropouts because they are often depressed.
• C. There is no way to predict juvenile delinquency as early as elementary school.
• D. The best predictor is aggression toward peers, which leads to peer rejection.

Correct answer: D

Rationale: The best advice is to look for aggression toward peers as the best predictor of juvenile delinquency and dropping out of school. Option A is incorrect because being popular or a class clown doesn't necessarily indicate delinquency. Option B is incorrect as not all silent, depressed loners end up as dropouts. Option C is incorrect as research shows that early signs of aggression can predict future delinquent behavior and school dropout rates, making it feasible to intervene early.

2. What is the term for the age of an unborn baby, usually dated from the first day of an expectant mother's last menstrual cycle?

• A. Mental age
• B. Chronological age
• C. Functional age
• D. Gestational age

Correct answer: D

Rationale: The correct answer is D, Gestational age. Gestational age is calculated from the first day of the expectant mother's last menstrual cycle, providing an estimate of how far along the pregnancy is. Mental age (choice A), refers to an individual's level of cognitive functioning in relation to others of the same age group. Chronological age (choice B) is a person's actual age in years. Functional age (choice C) refers to how well a person is able to perform various activities compared to their chronological age.

3. How does the concept of neural plasticity relate to recovery from brain injuries?

• A. Neural plasticity means the brain cannot recover from injuries.
• B. Neural plasticity allows the brain to recover and reorganize after injuries.
• C. Neural plasticity refers to the brain's inability to change after injury.
• D. Neural plasticity is a myth.

Correct answer: B

Rationale: Neural plasticity allows the brain to recover and reorganize after injuries. It is the brain's ability to adapt and change, forming new connections or reorganizing existing ones to compensate for damage. Choice A is incorrect as neural plasticity enables recovery. Choice C is incorrect as neural plasticity involves the brain's capacity to change. Choice D is incorrect as neural plasticity is a well-established phenomenon in neuroscience.

4. What is the sequence in which growth starts at the center of the body and moves toward the extremities?

• A. Cephalocaudal pattern
• B. Proximodistal pattern
• C. Cephamodistal pattern
• D. Gene-environment correlation

Correct answer: B

Rationale: The correct answer is B: Proximodistal pattern. This pattern describes growth starting at the center of the body and moving towards the extremities. Choice A, Cephalocaudal pattern, refers to growth starting from the head and moving downwards, which is not the sequence described in the question. Choice D, Gene-environment correlation, does not relate to the sequential pattern of growth described in the question, making it incorrect.

5. How is pruning best defined?

• A. The process of eliminating unused synapses
• B. The process of synapse development
• C. The connection between neurons
• D. Fatty sheath that wraps around neurons and enables them to transmit information more rapidly

Correct answer: A

Rationale: Pruning is the process of eliminating unused synapses in the brain. This process helps the brain to become more efficient by strengthening important connections and eliminating unnecessary ones. Choice B is incorrect because pruning is about eliminating synapses, not developing them. Choice C is incorrect as it refers to the general concept of connections between neurons, not specifically about pruning. Choice D is incorrect as it describes the myelin sheath, which is responsible for rapid transmission of information along neurons, not pruning.

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