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| Section | Weight | Objectives |
|---|---|---|
| Science | 38% | - Health
|
| Verbal Ability | 34% | - Reading Comprehension
|
| Mathematics | 28% | - Algebra
|
Test4Sure Nursing Entrance Exam (Math, Science and Verbal) (NEX) exam questions are the best because these are so realistic! It feels just like taking a real NEX exam, but without the stress! Our NEX Practice Test software is the answer if you want to score higher on your real NLN NEX certification exam and achieve your academic goals.
NEW QUESTION # 73
Reading Comprehension
Passage:
Dehydration can occur when fluid loss exceeds fluid intake. Symptoms may include dizziness, dry mouth, and decreased urine output. Older adults are particularly vulnerable to dehydration.
Which group is identified as being at higher risk?
Answer: D
Explanation:
The passage clearly states that older adults are particularly vulnerable to dehydration. Option C is directly supported. The other groups are not mentioned. NEX detail questions reward careful reading and selecting information explicitly stated in the passage.
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NEW QUESTION # 74
What are the inherited factors transmitted in an organism from generation to generation called?
Answer: C
Explanation:
Inherited factors that are passed from parents to offspring are known as an organism's genotype. The genotype refers to the genetic makeup of an organism, including the specific alleles inherited for each trait.
Heterozygote and homozygote describe specific combinations of alleles but do not refer to inherited factors as a whole. Phenotype refers to the observable traits of an organism, which result from the interaction between genotype and environment. The NEX Science exam often tests the distinction between genotype and phenotype, emphasizing that genotype represents the genetic instructions while phenotype represents the physical expression of those instructions.
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NEW QUESTION # 75
The four main types of macromolecules found in our cells are lipids, carbohydrates, proteins, and
Answer: D
Explanation:
Macromolecules are large, complex molecules essential for life. The four major classes of biological macromolecules are carbohydrates, lipids, proteins, and nucleic acids. Carbohydrates provide energy and structural support, lipids are involved in energy storage and membrane structure, proteins perform a wide range of functions including enzymes and transport, and nucleic acids store and transmit genetic information.
DNA and RNA are examples of nucleic acids. The other answer choices-fatty acids, unsaturated fats, and phospholipids-are all types of lipids rather than separate macromolecule categories. The NEX Science exam often assesses whether students can distinguish between macromolecule categories and their subcomponents.
Recognizing nucleic acids as one of the four major macromolecules is fundamental to understanding genetics, protein synthesis, and cell function.
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NEW QUESTION # 76
Reading Comprehension
Passage:
Public health campaigns often focus on smoking cessation because smoking is a leading cause of preventable disease. Reducing smoking rates can significantly lower the incidence of heart disease, lung cancer, and stroke.
Which outcome is directly associated with reducing smoking rates?
Answer: C
Explanation:
The passage clearly states that reducing smoking rates lowers the incidence of heart disease, lung cancer, and stroke. These are chronic diseases, making option C the correct answer. The other options are either not mentioned or incorrect. On the NEX exam, cause-and-effect reading questions require identifying outcomes that are directly linked to actions described in the passage. Choosing the most clearly stated effect is essential.
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NEW QUESTION # 77
Review the table of undisturbed sedimentary rock strata below.
According to the table, which of these fossils is the oldest?
Answer: B
Explanation:
This question tests understanding of the law of superposition, a fundamental principle in geology that is frequently tested on the NEX Science exam. The law of superposition states that in undisturbed sedimentary rock layers, the oldest layers are found at the bottom, while the youngest layers are found at the top. In the table shown, the soil surface is at the top, followed by Fossil D, Fossil C, Fossil B, and Fossil A at the bottom.
Because Fossil A is located in the lowest rock layer, it must be the oldest fossil. Fossils found in higher layers were deposited more recently. The key word in the question is "undisturbed," which means the layers have not been mixed or overturned by geological processes. The NEX exam often emphasizes recognizing this clue to correctly apply the law of superposition. Therefore, Fossil A is the correct answer because it represents the earliest life form preserved in the rock strata.
NEW QUESTION # 78
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