HESI A and P, Bio, Chem Practice Tests & Test Prep by Exam Edge - FAQ

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FAQ's for Exam Edge HESI Anat and Phys, Biology, Chemistry practice tests

We have ten great reasons why Exam Edge is the #1 source on the internet when it comes to preparing for HESI Anat and Phys, Biology, Chemistry test:

Comprehensive content: Exam Edge's HESI Anat and Phys, Biology, Chemistry practice tests are created specifically to prepare you for the real exam. All our HESI A and P, Bio, Chem practice test questions parallel the topics covered on the real test. The topics themselves are covered in the same proportions as the real test too, based on outlines provided by the Health Education Systems, Inc in their HESI A and P, Bio, Chem test guidelines.

Realistic practice: Our HESI A and P, Bio, Chem practice exams are designed to help familiarize you with the real test. With the same time limits as the real exam, Our HESI practice tests enable you to practice your pacing and time management ahead of test day.

Detailed explanations: As you complete your practice tests, we show you which questions you answered correctly and which ones you answered incorrectly, in addition to providing you with detailed step-by-step explanations for every single HESI Anat and Phys, Biology, Chemistry practice exam question.

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Thousands of unique questions: We offer 20 different online practice exams with 2,000 unique questions to help you prepare for your HESI Anat and Phys, Biology, Chemistry !

Low cost: The cost of ordering 5 practice tests is less than the cost of taking the real HESI A and P, Bio, Chem test. In other words, it would be less expensive to order 5 practice tests than to retake the real HESI Anat and Phys, Biology, Chemistry exam!

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What score do I need to pass the HESI A and P, Bio, Chem Exam?

To pass the HESI Anat and Phys, Biology, Chemistry test you need a score of 85.

The range of possible scores is 0 to 100.

How do I know the practice tests are reflective of the actual HESI Anat and Phys, Biology, Chemistry ?

At Exam Edge, we are proud to invest time and effort to make sure that Our HESI practice tests are as realistic as possible. Our practice tests help you prepare by replicating key qualities of the real test, including:

The topics covered
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We have a team of professional writers that create our HESI Anat and Phys, Biology, Chemistry practice test questions based on the official test breakdown provided by the Health Education Systems, Inc. We continually update our practice exams to keep them in sync with the most current version of the actual certification exam, so you can be certain that your preparations are both relevant and comprehensive.

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What are the HESI exams?

You have decided on a career in nursing and discover the HESI exam is your next hurdle. Exactly what are the HESI exams?

What are the Health Education Systems Incorporated (HESI) exams?

Health Education Systems Incorporated (HESI) is partnered with Elsvier to produce assessments that are designed to predict a candidate's success on the professional licensure exams. Nursing programs will utilize these tests to screen prospective nursing students prior to entering a program, to evaluate mastery of a specific course, or to exit the program and evaluate readiness for the licensing exam.

The HESI A2 Entrance Exam is used by many schools of nursing to screen applicants prior to admittance to a program. The HESI A2 Entrance Exam consists of two parts: academic and personality. There are 8 subtests available in the academic portion. Not all schools require all sections and the criteria for admission may vary from school to school. Subtests include reading comprehension, vocabulary and general knowledge, grammar, math, physics, biology, anatomy and physiology, and chemistry. The personality portion consists of a learning style profile and a personality profile.

The HESI exit exams are typically administered during the final semester of a program or at the completion of a specific course. These specialized tests identify strengths and weaknesses and detect any remediation needs that might be advised before a candidate takes the licensure exam. These exams assess critical thinking skills and knowledge as it relates to the nursing process, client needs, and specialty area. Multiple choice is the predominant format used on the HESI exams, however multiple response, fill in the blank, hotspots, charts items may also be included.

HESI Anat and Phys, Biology, Chemistry - FAQ Sample Questions

For each molecule of glucose that is metabolized by glycolysis, how many rotations of the citric acid cycle are possible?

Correct Answer:

two

the question pertains to the biochemical pathway of glucose metabolism, specifically assessing the link between glycolysis and the citric acid cycle (also known as the krebs cycle). to determine the number of possible rotations of the citric acid cycle per molecule of glucose metabolized, it is essential to trace the metabolic fate of glucose through these pathways.

during glycolysis, one molecule of glucose, which contains six carbon atoms, is broken down into two molecules of pyruvate, each containing three carbon atoms. this conversion occurs in the cytoplasm of cells and does not require oxygen. the process of glycolysis yields a net gain of two atp molecules and produces two molecules of nadh by reducing nad+.

following glycolysis, each pyruvate molecule undergoes a transformation to enter the citric acid cycle, a process that takes place in the mitochondria of eukaryotic cells. first, pyruvate is converted into acetyl coenzyme a (acetyl-coa) by the enzyme complex pyruvate dehydrogenase. this reaction also produces one molecule of nadh from nad+ and releases one molecule of carbon dioxide per pyruvate. thus, from the two pyruvate molecules derived from one glucose molecule, we obtain two molecules of acetyl-coa.

each acetyl-coa then enters the citric acid cycle separately. during one turn of the citric acid cycle, the acetyl-coa combines with oxaloacetate to form citrate, which is then metabolized through a series of enzymatic steps to regenerate oxaloacetate, enabling the cycle to continue. each turn of the cycle not only regenerates oxaloacetate but also produces three molecules of nadh, one molecule of fadh2, and one molecule of gtp (or atp), and releases two molecules of carbon dioxide.

since each molecule of glucose produces two molecules of acetyl-coa, and each acetyl-coa is metabolized in one complete rotation of the citric acid cycle, it follows that one glucose molecule results in two rotations of the citric acid cycle. each rotation processes one acetyl-coa molecule. therefore, the correct answer to the question is two rotations of the citric acid cycle per molecule of glucose metabolized. this double entry into the cycle amplifies the energy yield from the original glucose molecule, underscoring the efficiency of cellular metabolic pathways.

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