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| Section | Objectives |
|---|---|
| Topic 1: Science | - Biology
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| Topic 2: Mathematics | - Word Problems
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| Topic 3: Verbal Skills | - Language Usage
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Wir bemühen uns nun darum, den Kandidaten rechtzeitigen und effizieten Service zu bieten, um Ihre wertvolle Zeit zu ersparen. PrüfungFrage bietet Ihnen zahlreiche Lerntipps, Fragen und Antworten zur NLN NEX Zertifizierungsprüfung. Einige Websites bieten Ihnen auch Lernmaterialien zur NEX Zertifizierungsprüfung, die von guter Qualität ist und mit dem Zeit Schritt halten. Aber PrüfungFrage ist die einzige Website, die beste Schulungsunterlagen zur NEX Zertifizierungsprüfung bietet. Mit Hilfe der Lernmaterialien und der Anleitung von PrüfungFrage können Sie die NLN NEX Zertifizierungsprüfung einmalig bestehen.
20. Frage
You are designing a new community public health program to reduce the incidence of cardiovascular diseases (CVD) in your county.
Which of the following programs would likely result in the best overall outcome?
Antwort: A
Begründung:
Combining disease prevention and health promotion provides the greatest overall impact on reducing cardiovascular disease. Prevention identifies and manages risk factors early, while health promotion encourages long-term lifestyle changes such as healthy eating, exercise, and stress reduction. Education alone increases awareness but may not change behavior. Screening without lifestyle intervention has limited long- term effectiveness. The NEX Science exam emphasizes population health strategies, making integrated prevention and promotion the most effective approach.
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21. Frage
Veins throughout the body contain structures, indicated by arrows, in the image below.
The structures shown in the image prevent which of the following from occurring?
Antwort: B
Begründung:
Veins contain one-way valves that prevent blood from flowing backward as it returns to the heart. These valves are especially important in veins of the arms and legs, where blood must move against gravity. When muscles contract, they push blood forward toward the heart, and the valves close behind it to prevent backflow. Without these valves, blood could pool in the veins, leading to conditions such as varicose veins.
The valves do not obstruct blood flow under normal conditions, nor do they prevent blood from leaking into surrounding tissues-that function is related to capillary walls. The NEX Science exam often emphasizes understanding how anatomical structures support physiological function, making venous valves a key cardiovascular concept.
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22. Frage
The table below shows the average daily requirements of essential amino acids in the diet at various stages of human life.
Which of these amino acids is required in the greatest amount in the diet of toddlers?
Antwort: D
Begründung:
This question requires interpreting data from a table, a common skill tested on the NEX Science exam.
Looking specifically at the column for toddlers, the amino acid with the highest listed requirement (measured in milligrams per kilogram of body mass per day) is leucine. Although lysine, valine, and phenylalanine with tyrosine are also required in significant amounts, leucine has the highest numerical value for toddlers. Leucine is an essential amino acid that plays a critical role in growth, tissue repair, and muscle protein synthesis, which are especially important during early childhood when rapid growth occurs. Because toddlers are in a phase of accelerated development, higher amounts of certain amino acids are required compared to adults.
The key to answering this question correctly is careful comparison of the numerical values within the toddler column, not overall trends across all age groups.
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23. Frage
A supply room has 18 boxes of gloves. Each box contains 120 gloves. If 25% of the gloves are used, how many gloves remain?
Antwort: D
Begründung:
This problem evaluates understanding of percentages and total quantities, commonly tested on the NEX exam.
First, calculate the total number of gloves available. Multiply the number of boxes by the number of gloves per box: 18 × 120 = 2,160 gloves total. Next, determine how many gloves were used. Since 25% were used, convert 25% to a decimal (0.25) and multiply by the total number of gloves: 0.25 × 2,160 = 540 gloves used.
To find how many gloves remain, subtract the number used from the total: 2,160 # 540 = 1,620 gloves remaining. Therefore, option A is correct. Option C represents the original total, not the remainder. Option D reflects incorrect subtraction, and option B results from miscalculating the percentage used. On the NEX Math Section, it is critical to identify whether the question asks for the amount used or the amount remaining before selecting an answer.
24. Frage
Review the scatter plot of hours students studied for a test and their results.
What can you conclude from the graph?
Antwort: C
Begründung:
This question tests interpretation of scatter plots and correlation. In the graph, the horizontal axis represents hours studied, and the vertical axis represents test scores. As the points move from left to right (indicating more hours studied), the points also tend to move upward (indicating higher test scores). This shows a positive relationship between the two variables. While not every point follows a perfect line, the overall trend clearly indicates that students who studied more hours generally achieved higher test scores. Option B correctly describes this positive correlation. Option A is incorrect because scores are not highest when no studying occurs. Option C is incorrect because there is a visible relationship. Option D describes a negative relationship, which is not shown. On the NEX exam, scatter plots are often used to test understanding of trends rather than exact values, so identifying the overall direction of the data is key.
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25. Frage
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