Test Prep Test Prep Certifications HESI-A2 Questions & Answers

• Question 521:

  

  Which sentence best summarizes the benefits of the new silk technology?

  A. The new technology allows for closer interaction between machines and living tissue, paving the way for more advanced implantable devices.

  B. These implants have the potential to maximize the contact between electrodes and brain tissue, while minimizing damage to the brain.

  C. They could provide a platform for a range of devices with applications in epilepsy, spinal cord injuries, and other neurological disorders.

  D. The arrays could potentially read the complex signals in the brain that direct movement, and then route those signals to healthy muscles or prosthetic devices.

  Correct Answer: A

• Question 522:

  

  Which claim from the passage best describes the benefits of nanotechnology?

  A. Scientists can develop novel technologies and products.

  B. Nanotechnology is defined as the understanding and control of matter at dimensions of roughly 1 to 100 nanometers.

  C. The different colors can be used in simple medical tests to indicate infection or disease.

  D. Unique properties of materials emerge.

  Correct Answer: A

• Question 523:

  

  What is the meaning of the word "associated" in the first paragraph?

  A. specialized

  B. predated

  C. connected

  D. obfuscated

  Correct Answer: C

• Question 524:

  

  What is the major difference between matter at the nanoscale and matter at larger scales such as millimeters or inches?

  A. At the nanoscale, metals are bendable, and at larger scales they are rigid.

  B. Matter has different and special characteristics at the nanoscale.

  C. At the nanoscale, matter has the same properties as matter at the atomic level.

  D. There is no difference.

  Correct Answer: B

• Question 525:

  

  Why is it difficult to measure the effect of food away from home on diet quality?

  A. People eat out too much, so it is not possible to collect accurate data.

  B. Researchers are unable to assess the nutritional quality of people's diets.

  C. Peoples' food preferences are too complex and may even be unmeasurable.

  D. Too many unknown variables affect the data.

  Correct Answer: D

• Question 526:

  

  Which statement is not a detail from the passage?

  A. Eating breakfast away from home can result in an increase in fatty protein consumption.

  B. Eating food away from home is connected to bad food choices.

  C. In general, people who eat breakfast away from home consume more calories.

  D. Eating dinner away from home results in less vegetable consumption.

  Correct Answer: A

• Question 527:

  What is 5.06 × 0.7?

  A. 35.42

  B. 3.542

  C. 0.3542

  D. 0.03542

  Correct Answer: B

• Question 528:

  What is 8.65 + 0.056?

  A. 865.056

  B. 9.21

  C. 0.921

  D. 8.706

  Correct Answer: D

• Question 529:

  How many gallons are in 80 fluid ounces?

  A. 1.25 gallons

  B. 0.3125 gallons

  C. 1.6 gallons

  D. 0.625 gallons

  Correct Answer: D

• Question 530:

  

  Which meal(s) eaten away from home have worse results for dieters than for non-dieters?

  A. The article doesn't state which meal is the worse for non-dieters.

  B. Dinner eaten away from home is worse because people consume fewer whole grains and vegetables.

  C. Breakfast eaten away from home is worse because it increases the percent of calories from saturated and solid fat, alcohol, and added sugar (So FAAS) in a day.

  D. Breakfast and lunch eaten away from home are worse because they increase the percent of calories from saturated fats.

  Correct Answer: D