NBEO® Part 1 Full Length Test #2 - Biochemistry
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Optometry Board Practice Test for the NBEO® Part 1 Test #2 – Biochemistry This test is comprised of 11 items, which must be completed within 11 minutes. |
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Based on your performance on this Optometry Board Part 1 Practice Test, you’re not yet ready for the NBEO® Part 1.
Keep your head up! Also, don’t focus on your estimated score, they mean essentially nothing at the start. Rarely does anyone start these exams and score well immediately, if that was the case then they wouldn’t even need to practice! These are ‘practice’ tests, meaning you’re practicing to improve your skills. If you continue to work hard and study, read and understand the solutions, practice with “OptometryBoards.com” daily and give it your best effort, we promise your score will improve. Review and learn for now, and the scores will come.
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Congratulations! Based on your performance on this Optometry Board Part 1 Practice Test, you’re predicted to pass your NBEO® Part 1! Keep hammering away at our Optometry Board questions so that you can keep up the great work!
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Question 1 of 11
1. Question
Which is the most common type of chemical bond in the body?
CorrectB. Hydrogen bonds are the most common chemical bond in the body. Covalent bonds are typically found in DNA. Van der Waals are found in organic liquids. Ionic bonds occur between metals.
IncorrectB. Hydrogen bonds are the most common chemical bond in the body. Covalent bonds are typically found in DNA. Van der Waals are found in organic liquids. Ionic bonds occur between metals.
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Question 2 of 11
2. Question
What is the main cation found intracellularly?
CorrectC. Potassium is the main intracellular cation found. Sodium is the main cation found extracellularly
IncorrectC. Potassium is the main intracellular cation found. Sodium is the main cation found extracellularly
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Question 3 of 11
3. Question
A symporter is best defined as?
CorrectD. Symporter means the same. Ions are moved in the same direction together against a gradient. Usually a secondary passive process but can be a primary process as well.
IncorrectD. Symporter means the same. Ions are moved in the same direction together against a gradient. Usually a secondary passive process but can be a primary process as well.
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Question 4 of 11
4. Question
What is it called when there are more electrons found in higher energy levels than the lower ground energy levels?
CorrectC. population inversion
IncorrectC. population inversion
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Question 5 of 11
5. Question
For a photochemical damage mechanism, which of the following is false characteristic?
CorrectD. will occur at any wavelength
IncorrectD. will occur at any wavelength
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Question 6 of 11
6. Question
Pfizer has just developed a new drug that they claim will cure prostate cancer. They are currently seeking 80-100 volunteers for a clinical trial where they will determine the optimal drug concentration to receive results. Which stage of clinical investigation are they currently undergoing?
CorrectA. 1. phase 2 looking for dose-response curve; phase 1 to determine toxicity and phase 3 prove efficacy
IncorrectA. 1. phase 2 looking for dose-response curve; phase 1 to determine toxicity and phase 3 prove efficacy
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Question 7 of 11
7. Question
Which of the following is the worst route of administration for a drug that is poorly absorbed or unstable in the acidic environment of the stomach?
CorrectF. oral only one that undergoes first pass metabolism and passes through acidic stomach environment
IncorrectF. oral only one that undergoes first pass metabolism and passes through acidic stomach environment
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Question 8 of 11
8. Question
Liquefactive necrosis is characteristic of which type of disease process?
CorrectB. Fungal infection. Viral, bacteral, and mycoplasma infection are considered non necrosis. Fungal infections are harder to get rid of and thus cause more damage to localized areas of infection, AKA liquefactive necrosis.
IncorrectB. Fungal infection. Viral, bacteral, and mycoplasma infection are considered non necrosis. Fungal infections are harder to get rid of and thus cause more damage to localized areas of infection, AKA liquefactive necrosis.
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Question 9 of 11
9. Question
What mineral is vital to maintain proper function of the thyroid?
CorrectA. Iodine. Iodine was put into salt in 1924 to help prevent thyroid deficiency.
IncorrectA. Iodine. Iodine was put into salt in 1924 to help prevent thyroid deficiency.
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Question 10 of 11
10. Question
Starch and cellulose are classified as what type of carbohydrate?
CorrectC. Homopolysaccharide. They are made up of repeating sugar units that do not differentiate on the side chain. Heteropolysaccharides are hyaluronic acid which is found in areas of high impact. These polysaccharides are aligned in a lattice style structure causing an increase in surface area for flexion.
IncorrectC. Homopolysaccharide. They are made up of repeating sugar units that do not differentiate on the side chain. Heteropolysaccharides are hyaluronic acid which is found in areas of high impact. These polysaccharides are aligned in a lattice style structure causing an increase in surface area for flexion.
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Question 11 of 11
11. Question
When a patient is put under anesthesia, what happens to the pupils?
CorrectB. They become miotic due to supranuclear input reduction causing an increase in Edinger Westphal activity. Remember that the Edinger-Westphal nucleus is involved in pupillary constriction with the light response, a parasympathetic effect.
IncorrectB. They become miotic due to supranuclear input reduction causing an increase in Edinger Westphal activity. Remember that the Edinger-Westphal nucleus is involved in pupillary constriction with the light response, a parasympathetic effect.
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