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NES General Science (311) Practice Tests & Test Prep by Exam Edge - Review



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NES General Science - Reviews


   Excellent
Based on 200 reviews

Melissa


"Thank you so much. I passed my NES Special Education K–12 test the first time thanks to these practice tests. I will recommend this site to anyone who needs to study for a test. Thank you again!! "

Heidi


"I'm glad I found your website. Your practice tests helped immensely! The ability to review answers while taking the test was a great beginning feature. I also liked having the option to take it like a "real" test - being timed and given the results only at the end. The timed component and the layout of the test/navigation buttons made the actual test day so much easier! I passed both the Elementary Education Subtest 1 and Subtest 2 on my first try!  "

Dale


"Thanks - I took the NES History Exam today and scored 262 - 42 pts above passing :)  I could not have done it without your exams! "

Penny


"I passed my test yesterday! Your practice tests made all the difference. Your sample tests to prepare for and pass both the NES Elementary Subtest 1 and 2. I feel that your tests helped me to spotlight the areas that I needed reinforcement, and the explanations included with the questions were super helpful and easy to understand. I'm in Washington State. "

Manish


"Exam Edge is awesome.I bought and used the NES Middle School Science Test series from Exam edge and I scored 271 on the test. Thanks a lot. "

Oksana


   TrustPilot Review

"I like to learn using your tests!!!!!"

Kyna


"Very helpful. I just took the NES 103 for the first time and did very well after using 2 Exam Edge practice tests to help me prep. Nice to pass on the first try. I recommend this resource."

William


"After a very lengthy study session, I was able to pass this difficult test thanks in great part to the sample exam questions offered by your website. Your sample test questions are far better than the sample test offered by the official NES website. This is due to how your sample questions all have thoughtful and useful explanations for every problem. It would be nice if there were a few more problems that dealt with broad, critical analysis of low level concepts such as discussion questions about how number sets can be broken down into certain patterns. Questions like that would match the real test even more! Thank you for all of the help offered by your service."

Katie J


"Thank you for providing such an efficient and thorough test preparation program. I purchased tests for both the NES Elementary Subtest I and II and passed both on the first try! I would absolutely recommend this program! "

Katie J


"Thank you for providing such an efficient and thorough test preparation program. I purchased tests for both the NES Elementary Subtest I and II and passed both on the first try! I would absolutely recommend this program! "



See Why Our Users from 154 Countries Love Us!

Exam Edge is an industry leader in online test prep. We work with institutional partners to offer a wide array of practice tests that will help you prepare for your big exam. No matter how niche your field of interest might be, we are here to help you prepare for test day.



See why our users from 154 countries love us for their exam prep! Including 200 reviews for the NES General Science exam.

Exam Edge is an industry leader in online test prep. We work with institutional partners to offer a wide array of practice tests that will help you prepare for your big exam. No matter how niche your field of interest might be, we're here to help you prepare for test day.

   Excellent -- Based on 200 reviews

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NES General Science - Test Reviews Sample Questions

What is interstitial fluid?





Correct Answer:
the fluid in vertebrates that surrounds the cells.
**interstitial fluid** is the fluid that surrounds the cells within the tissues of vertebrates. it is a crucial component of the extracellular fluid (ecf), which also includes plasma and transcellular fluid. interstitial fluid provides the immediate microenvironment that allows for movement of ions, proteins, and nutrients across the cell barrier. this fluid helps in maintaining homeostasis and facilitating the exchange of materials between cells and the capillaries.

the interstitial fluid is derived from blood plasma, but its composition is altered as the blood circulates through capillaries. as blood passes through capillary walls, water, and small solutes such as electrolytes, nutrients, and waste products diffuse out to form the interstitial fluid, while larger proteins and cells tend to stay within the blood vessels. this diffusion is mainly governed by hydrostatic and osmotic pressures. the hydrostatic pressure pushes fluid out of the capillaries, while the osmotic pressure, mainly due to plasma proteins, pulls fluid back in.

the role of interstitial fluid is vital in the transport of oxygen and nutrients from the blood to the cells. after these essential substances exit the capillaries, they diffuse through the interstitial fluid before reaching the cell membranes. similarly, waste products move from the cells into the interstitial fluid, from where they are transported to the blood and eventually removed from the body through various excretory systems.

the volume and composition of the interstitial fluid are tightly regulated. any imbalance can lead to conditions such as edema, where excess fluid accumulates within the interstitium, leading to swelling. the lymphatic system plays a crucial role in maintaining this balance by draining excess interstitial fluid and returning it to the bloodstream.

in summary, interstitial fluid is a critical element of the internal environment of vertebrates, providing a conduit for the exchange of substances between blood and cells, thus supporting cellular activities and overall physiological balance.