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| Section | Objectives |
|---|---|
| Topic 1: Mathematics | - Basic Arithmetic
|
| Topic 2: Verbal Skills | - Language Usage
|
| Topic 3: Science | - Basic Chemistry
|
>> Valid Exam NLN NEX Preparation <<
Our valid NLN NEX dumps make the preparation easier for you. With these real NEX Questions, you can prepare for the test while sitting on a couch in your lounge. Whether you are at home or traveling anywhere, you can do NEX exam preparation with our NLN NEX Dumps. Nursing Entrance Exam (Math, Science and Verbal) (NEX) test candidates with different learning needs can use our three formats to meet their needs and prepare for NEX test successfully in one go. Read on to check out the features of these three formats.
NEW QUESTION # 53
The graph displays a patient's systolic blood pressure taken daily from February 1 to May 2.
What is the apparent range of blood pressure over this period?
Answer: A
Explanation:
The range of a data set is calculated by subtracting the lowest value from the highest value. From the graph, the lowest systolic blood pressure reading appears to be about 125 mmHg, while the highest reading is about
185 mmHg. Subtracting gives: 185 # 125 = 60. Therefore, option B is correct. Option C represents a single high reading rather than a range. Options A and D underestimate the difference. NEX questions involving range require careful identification of extreme values on graphs, so it is important to examine the entire data set, not just the most common values.
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NEW QUESTION # 54
A symbiotic relationship where one organism benefits and the other is neither helped nor harmed is referred to as
Answer: B
Explanation:
Commensalism is a type of symbiotic relationship in which one organism benefits while the other is unaffected. An example is barnacles attaching to whales, where the barnacles gain transportation and access to food, while the whale is neither helped nor harmed. Mutualism benefits both organisms, parasitism benefits one while harming the other, and predation involves one organism killing another for food. Understanding ecological relationships is a key topic on the NEX Science exam, and recognizing the differences between types of symbiosis is essential.
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NEW QUESTION # 55
Reading Comprehension
Passage:
Sleep plays a critical role in memory consolidation. During certain stages of sleep, the brain processes and stores information learned throughout the day. Lack of sleep has been linked to impaired judgment, slower reaction times, and decreased academic performance.
Which conclusion is best supported by the passage?
Answer: B
Explanation:
The correct answer must be directly supported by the information in the passage. The passage clearly explains that sleep helps the brain process and store information, which is essential for memory consolidation. It also states that lack of sleep negatively affects cognitive abilities such as judgment and reaction time. Therefore, the conclusion that memory formation is affected by sleep is well supported. Option A is incorrect because the passage emphasizes mental and cognitive effects, not just physical health. Option C is directly contradicted by the passage's mention of impaired functioning due to lack of sleep. Option D exaggerates the information; while sleep affects academic performance, the passage does not claim it is the sole factor. On the NEX exam, supported-conclusion questions require selecting an answer that is neither too extreme nor unsupported by the passage.
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NEW QUESTION # 56
A nurse needs to administer 0.75 liters of IV fluid over 3 hours. What is the flow rate in milliliters per hour?
(1 liter = 1,000 milliliters)
Answer: C
Explanation:
This question tests unit conversion and rate calculation, both of which are essential skills on the NEX Math Section, especially for medication and IV flow problems. First, convert liters to milliliters because flow rates are typically expressed in milliliters per hour. Since 1 liter equals 1,000 milliliters, multiply 0.75 liters by
1,000 to get 750 milliliters. Next, determine the flow rate by dividing the total volume by the total time. The fluid is administered over 3 hours, so divide 750 milliliters by 3 hours. This calculation gives 250 milliliters per hour. Therefore, the correct answer is option C. Option A results from dividing incorrectly, option B reflects underestimation, and option D would be correct only if the volume were larger. NEX exam questions often focus on proper setup of unit conversions before performing calculations. Always convert units first, then divide by time to find a rate.
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NEW QUESTION # 57
The thymus, lymph nodes, and spleen are all organs of which system?
Answer: B
Explanation:
The thymus, lymph nodes, and spleen are key components of the immune system. The immune system is responsible for defending the body against pathogens such as bacteria, viruses, and other foreign invaders.
The thymus plays an important role in the maturation of T lymphocytes (T cells), which are critical for adaptive immunity. Lymph nodes filter lymphatic fluid and trap pathogens, allowing immune cells to recognize and respond to infections. The spleen filters blood, removes old or damaged red blood cells, and helps initiate immune responses to blood-borne pathogens. While the endocrine system regulates hormones, the cardiovascular system transports blood, and the integumentary system protects the body externally, none of these systems include the thymus, lymph nodes, and spleen as primary organs. The NEX Science exam often tests system identification by grouping organs with shared functions, making the immune system the correct choice.
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NEW QUESTION # 58
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