The ability to mentally understand that 1 + 3 = 4 and 4 - 3 = 1 occurs in which stage of cognitive development?
Preoperational stage.
Intuitive thought stage.
Concrete operations stage.
Formal operations stage.
The Correct Answer is C
The correct answer is choice C: Concrete operations stage.
Choice A rationale:
The preoperational stage, which occurs roughly between ages 2 and 7, is characterized by egocentrism, animism, and a lack of conservation. Children in this stage struggle with understanding that quantities can remain the same even if their appearance changes. For instance, they might think that pouring water from a tall glass into a short, wide glass somehow changes the amount of water. This stage does not demonstrate the mental understanding required for the examples given in the question.
Choice B rationale:
The intuitive thought stage, which typically spans from ages 4 to 7, is marked by increased symbolic thinking but still lacks the capacity for logical and systematic reasoning. Children in this stage might be able to count and perform basic arithmetic, but they struggle with more complex operations and understanding the underlying principles of mathematical operations. This stage is not where the ability to understand the given math operations is firmly established.
Choice C rationale:
The concrete operations stage, which encompasses ages 7 to 11, is characterized by the development of logical and systematic thinking. Children in this stage are capable of understanding basic mathematical principles and operations, such as conservation of quantity and simple arithmetic. They can mentally manipulate numbers and understand that reversing an operation will yield the original quantity. Therefore, this stage is when the ability to understand that 1 + 3 = 4 and 4 - 3 = 1 occurs.
Choice D rationale:
The formal operations stage, typically beginning around age 11, is characterized by abstract and hypothetical thinking. This is when adolescents and adults can engage in complex reasoning and consider multiple possibilities and outcomes. The given math operations are not the focus of this stage; rather, it pertains to more advanced cognitive abilities like hypothetical problem-solving and deductive reasoning.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The correct answer is choice B. A feeling of fullness in the ear.
Choice A rationale:
Nausea and vomiting are not typical symptoms of chronic otitis media with effusion (OME). OME involves fluid accumulation in the middle ear without signs of acute infection. It is commonly seen in children and may cause mild hearing impairment and a feeling of fullness in the ear.
Choice B rationale:
A feeling of fullness in the ear is a common symptom of OME. The fluid accumulation in the middle ear can lead to a sensation of pressure or fullness, as well as mild hearing loss. This can impact a child's ability to hear and communicate effectively.
Choice C rationale:
Severe pain in the ear is more characteristic of acute otitis media (AOM), which is an infection of the middle ear with signs of inflammation. In OME, pain is typically not a prominent symptom unless there is an underlying AOM episode.
Choice D rationale:
Fever as high as 40°C (104°F) is not a typical symptom of OME. OME is generally a chronic condition without acute signs of infection such as fever. However, if a fever is present, it might indicate a concurrent infection that needs further evaluation.
Correct Answer is ["C","D"]
Explanation
The correct answers are choices C. Novolin R, and D. NovoLog.
Choice A rationale:
Novolin N is an intermediate-acting insulin, not rapid or short acting. It has a slower onset and longer duration of action, making it unsuitable for rapid blood sugar control.
Choice B rationale:
Lantus is a long-acting insulin that provides basal insulin coverage and has a relatively steady effect over 24 hours. It is not rapid or short acting and is used to provide a baseline level of insulin, not for immediate blood sugar control.
Choice C rationale:
Novolin R, also known as regular insulin, is a short-acting insulin with an onset of about 30 minutes and a peak effect around 2 to 3 hours. It is often used to cover mealtime blood sugar elevations and is suitable for short-term blood sugar control.
Choice D rationale:
NovoLog is a rapid-acting insulin analog with an onset of about 15 minutes and a peak effect within 1 to 2 hours. It is designed to mimic the body's rapid insulin release after meals, making it effective for controlling postprandial blood sugar levels.
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