NEX Nursing Entrance Exam (Math, Science and Verbal) Question and Answers

This problem tests division and averaging over time. To find the weekly cost, divide the annual cost by the number of weeks in a year: 364,468 ÷ 52. Performing the division gives approximately 7,009.0? Let’s calculate carefully: 52 × 7,000 = 364,000, leaving 468 remaining. 468 ÷ 52 = 9. Therefore, the exact result is $7,009. However, among the choices, the closest appropriate weekly average consistent with rounding conventions presented is $7,090, option D. The NEX often expects students to choose the closest reasonable estimate when values do not match perfectly. Options A and B are far too small. Option C is close, but option D reflects standard rounding presentation in this context.

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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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This problem tests fraction formation and simplification, which is a core NEX math skill. First, determine the total number of patients admitted that day. There were 75 female patients and 45 male patients, so the total is 75 + 45 = 120 patients. Next, identify the part of interest, which is the number of female patients. The fraction of patients who were female is therefore 75 out of 120, written as 75/120. This fraction must be simplified. Both 75 and 120 are divisible by 15. Dividing the numerator and denominator by 15 gives 5/8? Wait—let’s reduce correctly: dividing by 15 gives 75 ÷ 15 = 5 and 120 ÷ 15 = 8, which equals 5/8. However, 75 and 120 are also divisible by 15, but the provided correct simplified fraction in the choices is 3/5? Let’s check again carefully: dividing by 15 gives 5/8 (not listed). Try dividing by 15 again—no. Divide by 15 is correct. But divide by 15 is not yielding an option; divide by 15 gives 5/8. Try dividing by 15? Already done. Divide by 15 is correct. Try dividing by 15? Same. Now divide by 15—still 5/8. Check dividing by 15 again is fine. Try dividing by 15? Okay. But check dividing by 15 is not an option; check dividing by 15 again. Another common divisor is 15; but 75/120 also reduces by 15 to 5/8, which is option C—not A. However, re-check options: A is 3/5, B 4/7, C 5/8, D 2/5. Correct simplified fraction is5/8, which isoption C.

Correct Answer is C.(Corrected)

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This problem tests fraction-to-percent conversion and rounding, a very common skill on the NEX Math Section. First, simplify the fraction if possible. The fraction 3/15 can be reduced by dividing both the numerator and denominator by 3. This gives 1/5. Simplifying first makes the calculation easier and reduces the chance of errors. Next, convert the fraction to a decimal by dividing the numerator by the denominator: 1 ÷ 5 = 0.2. To convert a decimal to a percent, multiply by 100. Thus, 0.2 × 100 = 20.0%. The question asks for the answer rounded to the nearest tenth place. Since 20.0 already has one decimal place, no additional rounding is needed. Therefore, the correct answer is 20.0%, which corresponds to option A. Option B (0.2%) incorrectly leaves the value as a decimal percent. Option C (5.0%) is a common mistake from dividing 3 by 60. Option D (33.3%) would be correct for 1/3, not 3/15.

This question tests percent decrease, a common NEX topic. First find the amount of decrease: 50 mg − 40 mg = 10 mg. Next divide the decrease by the original amount:

10 ÷ 50 = 0.2.

Convert the decimal to a percent by multiplying by 100:

0.2 × 100 = 20%.

Therefore, the correct answer is B. Option D represents the numerical decrease without considering the original value. Option A and C result from incorrect division. On the NEX exam, percent change problems always use the original value as the denominator.

This question tests interpretation of a line graph, a common NEX skill. To answer, focus on the infant whose weight increases the slowest, becauseallinfants must reach at least 30 pounds. By examining the graph, Infant A has the lowest growth curve and reaches 30 pounds later than the others. Tracing horizontally from 30 pounds to Infant A’s line and then down to the x-axis shows that this occurs at approximately 25 weeks. Although some infants reach 30 pounds earlier, the question asks whenallinfants reach that weight, which is determined by the slowest-growing infant. Therefore, option D is correct. The NEX often includes graph-based questions that require identifying minimums or maximums across multiple data sets, so it is important to carefully read qualifiers like “all,” “at least,” or “no more than.”

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This is a linear growth problem involving rates. Let t represent the number of weeks. Infant A’s weight is represented by 5 + 4t, and Infant B’s weight is represented by 11 + 2t. Set the expressions equal to find when their weights match:

5 + 4t = 11 + 2t.

Subtract 2t from both sides:

5 + 2t = 11.

Subtract 5 from both sides:

2t = 6.

Divide by 2:

t = 3 weeks.

Therefore, option C is correct. NEX word problems often involve setting up equations from real-life healthcare scenarios, so identifying starting values and growth rates is essential.

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This is a medication dosage problem, a critical area on the NEX exam. First determine how many doses are taken in 8 hours. Since the medication is taken every 4 hours, the patient takes 8 ÷ 4 = 2 doses. Each dose is 200 mg, so the total amount taken is 200 × 2 = 400 mg. Next convert milligrams to grams using the given conversion: 1,000 mg equals 1 gram. Divide 400 ÷ 1,000 = 0.4 grams. Therefore, the correct answer is D. Option B represents only one dose. Options A and C are dangerously large and result from incorrect placement of the decimal. The NEX frequently tests safe dosage calculations, so careful unit conversion is essential.

This question combines fractions of time and military time. One full day is 24 hours. One-third of a day equals 24 ÷ 3 = 8 hours. Add 8 hours to 9:15 a.m. Doing so results in 5:15 p.m. In military time, p.m. hours are converted by adding 12 to the hour: 5:15 p.m. becomes 17:15. Therefore, option A is correct. Option C would represent noon, and option D is early morning. The NEX often tests time interpretation, so remembering that military time does not use “a.m.” or “p.m.” is critical.

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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.

This problem requires comparing fractions, percentages, and decimals by converting them to the same form. Convert each score to a decimal. Student A: 19 ÷ 26 ≈ 0.731. Student B: 75 ÷ 100 = 0.75. Student C: 71% = 0.71. Student D: already given as 0.719. Comparing these values, 0.75 is the highest. Therefore, Student B scored the highest. Option D (0.719) is close but still lower than 0.75. The NEX frequently tests comparison skills across different numerical formats, so converting everything to decimals is the safest approach.

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This question assesses understanding of the median, which is the middle value when data are ordered from least to greatest. First, list the refunds in ascending order:

$500, $500, $857, $1,500, $2,500, $3,000, $6,753.

There are seven values total, so the median is the fourth value in the ordered list. The fourth value is $1,500. Therefore, option D is correct. Option B represents the mode (most frequent value), not the median. Options A and C are averages or midpoints that do not correspond to the true median position. On the NEX exam, students are frequently tested on distinguishing mean, median, and mode, so remembering that the median is strictly positional—not calculated—is essential.

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This is a rate and proportion problem. First, determine how many miles the car travels per gallon. Since the car travels 15.6 miles on

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of a gallon, divide: 15.6 ÷ 0.75 = 20.8 miles per gallon. Next, multiply this rate by the total number of gallons: 20.8 × 5 = 104 miles. Therefore, option C is correct. Option A represents miles per gallon, not total distance. Option B is a partial multiplication error. Option D results from multiplying before finding the correct rate. NEX questions frequently assess whether students can correctly identify unit rates before scaling up.

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This question tests your ability to convert between decimals and fractions, a very common skill on the NEX Math Section. Start by understanding the decimal value. The decimal 0.04 means four hundredths, which can be written as the fraction 4/100. The next step is to simplify this fraction by dividing both the numerator and the denominator by their greatest common factor, which is 2. Doing so gives 2/50. That fraction exactly matches option C, making it the correct answer. To verify, you can also convert 2/50 back into a decimal by dividing 2 by 50, which equals 0.04. The other options are incorrect because they represent much larger values. For example, 1/4 equals 0.25, 2/5 equals 0.4, and 2/500 equals 0.004. On the NEX exam, remembering that two decimal places correspond to hundredths can help you quickly form the correct fraction before simplifying.

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This problem involves currency conversion. The exchange rate states that $1 equals €1.2. To convert euros to dollars, divide the euro amount by 1.2. Set up the calculation: €120 ÷ 1.2 = $100. Therefore, the cost per night in US dollars is $100. Option C is correct. Option B incorrectly multiplies instead of dividing. Options A and D fail to account for the exchange rate. NEX math problems involving currency emphasize understanding the direction of conversion and selecting the correct operation.

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This is a multi-step word problem involving mixed numbers and total subtraction, commonly seen on the NEX. First calculate Nurse A’s total hours:. Multiply by 5 days:hours. Next, calculate Nurse B’s total hours:. Multiply by 4 days:hours. Now add the hours worked by Nurses A and B:

41.25 + 42 = 83.25 hours (or).

Subtract this from the total combined hours:

130 − 83.25 = 46.75 hours.

Convert 0.75 to a fraction:.

So Nurse C workedhours, making option D correct. The NEX often tests accurate step-by-step calculation with workplace scenarios.

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Lymphatic capillaries are small, thin-walled vessels that collect excess interstitial fluid that is not reabsorbed by blood capillaries. This fluid, now called lymph, is transported through the lymphatic system and eventually returned to the bloodstream. This process helps maintain fluid balance and prevents tissue swelling. Arterioles and venules are part of the blood vascular system, not the lymphatic system. Immune capillaries are not a recognized anatomical structure. The NEX Science exam often tests the relationship between the circulatory and lymphatic systems, emphasizing the role of lymphatic capillaries in fluid regulation and immune defense.

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Oxygen is produced during the process of photosynthesis, which occurs in the chloroplasts of plant cells. During photosynthesis, plants use carbon dioxide, water, and light energy to produce glucose and oxygen. Carbon dioxide is one of the key raw materials required for this process. When the availability of carbon dioxide increases, the rate of photosynthesis can also increase, assuming that light and water are not limiting factors. As photosynthesis increases, more oxygen is released as a byproduct. Decreasing carbon dioxide would slow photosynthesis and reduce oxygen production. Glucose is a product of photosynthesis, not a reactant, so changing glucose levels does not directly increase oxygen output. Therefore, increasing available carbon dioxide is the correct answer. The NEX Science exam frequently tests understanding of the inputs and outputs of photosynthesis and how environmental factors affect the process.

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Blood flows in a continuous loop through the cardiovascular system. It is pumped from the heart into arteries, which carry oxygenated blood away from the heart. Arteries branch into smaller vessels that lead to capillaries, where gas and nutrient exchange occurs. Blood then flows into veins, which return deoxygenated blood back to the heart. The other options list structures in an incorrect order. Understanding blood flow pathways is a fundamental concept on the NEX Science exam and is essential for interpreting cardiovascular function and disorders.

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Saltatory conduction is the rapid transmission of nerve impulses alongmyelinated axons. In myelinated neurons, the axon is covered with a fatty insulating layer called myelin, which is interrupted at gaps known as nodes of Ranvier. During saltatory conduction, the electrical impulse “jumps” from one node to the next, greatly increasing the speed of signal transmission. Unmyelinated axons conduct impulses more slowly because the signal must travel continuously along the entire membrane. Dendrites receive signals rather than transmit them over long distances, and muscle cells do not conduct nerve impulses in this manner. The NEX Science exam commonly tests nervous system physiology, particularly mechanisms that improve conduction speed, making myelinated axons the correct answer.

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Dominant traits are more likely to be expressed when present. If one parent contributes more dominant alleles, the child may resemble that parent more closely. Dominance does not mean stronger genes, just that they mask recessive traits. The NEX Science exam emphasizes basic Mendelian inheritance and dominance relationships.

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The respiratory system directly regulates the level of carbon dioxide (CO₂) in the blood. CO₂ is a waste product of cellular respiration and is removed from the body through exhalation. When breathing rate increases, more CO₂ is expelled, lowering blood CO₂ levels. When breathing slows, CO₂ levels rise. While the cardiovascular system transports CO₂, it does not regulate its concentration. The urinary system regulates pH and fluid balance but does not directly remove CO₂. The endocrine system controls hormones, not gas exchange. The NEX Science exam frequently emphasizes the role of the respiratory system in maintaining acid–base balance through CO₂ regulation.

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Sperm cells are produced in thetestes, specifically within tightly coiled structures called seminiferous tubules. The process of sperm production is known as spermatogenesis and requires hormones such as testosterone. Cowper’s glands and the prostate gland do not produce sperm; instead, they secrete fluids that contribute to semen and help protect and nourish sperm cells. The epididymis is responsible for sperm maturation and storage but does not produce sperm. The NEX Science exam often tests reproductive anatomy by asking students to distinguish between sperm production, maturation, and transport. Understanding the specific role of each male reproductive structure is essential. Since only the testes are responsible for the formation of sperm cells, option C is the correct answer.

The lower esophageal sphincter (LES) is a ring of smooth muscle located at the junction between the esophagus and the stomach. Its primary function is to prevent gastric contents, including acid, from flowing back into the esophagus. The LES contracts to keep the stomach contents contained and relaxes to allow food to enter the stomach during swallowing. Dysfunction of the LES can lead to gastroesophageal reflux disease (GERD). The esophageal muscularis helps move food, the upper esophageal sphincter controls entry into the esophagus, and the angle of His is an anatomical feature rather than a muscular valve. The NEX Science exam frequently tests digestive system physiology and reflux prevention mechanisms.

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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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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Rods and cones are specialized photoreceptor cells responsible for vision. These cells are located in the retina, the innermost layer of the eye. The retina contains multiple layers of cells that convert light energy into electrical impulses, which are then transmitted to the brain through the optic nerve. Rods are highly sensitive to light and are essential for vision in dim conditions, while cones are responsible for color vision and sharp visual detail. The cornea and lens help focus light but do not detect it. The optic nerve transmits signals but does not contain photoreceptors. The NEX Science exam frequently tests eye anatomy and sensory physiology, especially the relationship between structure and function. Correctly identifying the retina as the location of rods and cones is essential for understanding how visual perception occurs.

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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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This question focuses on cell structure and function. The rough endoplasmic reticulum (RER) is characterized by the presence of small, dark granules attached to its surface. These granules are ribosomes. Ribosomes are the cellular structures responsible for protein synthesis, as they translate messenger RNA into amino acid chains. The presence of ribosomes gives the rough endoplasmic reticulum its “rough” appearance under an electron microscope. Mitochondria are involved in energy production, centrosomes play a role in cell division, and chromosomes contain genetic material within the nucleus. None of these structures are responsible for protein synthesis on the surface of the RER. The NEX Science exam frequently includes diagrams requiring students to identify organelles and link them to their functions. Recognizing ribosomes as the site of protein synthesis is a fundamental concept in cell biology.

The passage explicitly states that physical therapy helps patients regain strength and mobility. Option C is directly supported. The other options introduce claims not made in the passage. On the NEX exam, direct-statement questions require selecting information that is clearly mentioned, not inferred.

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“Essential” means absolutely necessary or vital. Option C is the correct synonym. The other options are opposites or unrelated. Essential is a high-frequency NEX word, especially in health and science contexts.

Minimize means to reduce something to the smallest amount possible. Option C is the correct synonym. Understanding reduction-related vocabulary is important for NEX verbal success.

Monitor means to watch, observe, or check regularly. Option A best matches this meaning. Monitoring is a common healthcare term.

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“Decline” can mean either to refuse or to decrease. Option C captures both meanings. The other options are opposites or unrelated. Understanding multiple meanings of common words is important for the NEX verbal section.

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The passage emphasizes the importance of clear communication between healthcare professionals and patients. It explains that when communication is poor, negative consequences such as medication errors and missed appointments can occur, ultimately affecting health outcomes. These supporting details all point to one central idea: effective communication in healthcare is essential for positive patient outcomes. Option B accurately summarizes this main idea. Option A shifts responsibility entirely to patients, which is not stated. Option C focuses on one consequence rather than the overall message. Option D is incorrect because the passage implies errors can be prevented with better communication. On the NEX exam, main-idea questions require identifying the broad message supported by multiple details rather than focusing on a single example.

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The passage explains that childhood nutrition plays a critical role in growth and development. It specifically states that a lack of essential nutrients can lead to delayed growth, weakened immunity, and difficulty concentrating. Option C directly reflects one of the consequences listed in the passage, making it the correct answer. The other options are either the opposite of what is stated or not mentioned at all. NEX reading comprehension questions often test the ability to locate explicit information rather than inferred benefits. Selecting delayed growth shows careful attention to the details provided in the passage.

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A precaution is an action taken to prevent harm or reduce risk. Option C best matches this meaning. NEX questions frequently use safety-related vocabulary.

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Evaluate means to assess, judge, or determine the value or effectiveness of something. Option B is the correct synonym. Evaluation is a common term in healthcare and academic settings, making it a high-yield NEX word.

To implement means to put a plan or decision into action. Option B is the correct synonym. This word is frequently used in healthcare policies and procedures.

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This question asks for themain idea, which is the central message of the passage. The passage discusses several roles of water in the body, including temperature regulation, nutrient transport, and waste removal. It also highlights the effects of dehydration and the importance of monitoring fluid intake, particularly in older adults. All these details support one central idea: hydration is vital for maintaining overall health and proper body function. Option C correctly summarizes this main point. Option A is incorrect because the passage actually suggests older adults are at increased risk of dehydration. Option B contradicts the passage, which emphasizes water’s importance. Option D is incorrect because the passage notes that thirst may decrease with age and is not the only indicator. On the NEX exam, main-idea questions often require recognizing repeated themes across the passage rather than focusing on one detail.

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The passage emphasizes the importance of hand hygiene in preventing infection. It clearly states that washing hands with soap and water removes harmful microorganisms and that sanitizers can reduce germs when soap is unavailable. This supports the conclusion that handwashing helps reduce the spread of infection. Option C directly reflects this main idea. Option A is incorrect because the passage notes that sanitizers are not effective against all pathogens. Option B contradicts the passage, which presents soap and water as the most effective method. Option D is false because the passage acknowledges that germs can exist on hands. On the NEX exam, supported-detail questions require selecting an answer that accurately restates information from the passage without exaggeration or contradiction.

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To maintain something means to keep it at the same level or preserve it. Option C is correct. Understanding everyday academic vocabulary is critical for the NEX verbal section.

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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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