1. Which of the following substances is most likely to inhibit CYP3A4 activity?
2. A 48-year-old man with hyperlipidemia undergoes advanced lipid testing. Results show an LDL-C of 165 mg/dL and predominantly large, buoyant LDL particles (Pattern A). Which of the following best describes this patient’s cardiovascular risk?
3. What is the primary mechanism by which metformin reduces vitamin B12 levels?
4. Which of the following findings would most likely be present in a patient with Gilbert’s syndrome?
5. A 48-year-old patient presents with early satiety, postprandial bloating, frequent burping after meals, and chronic constipation. On physical examination, you note pale conjunctiva, brittle fingernails, and glossitis. Which of the following is the most likely underlying cause of this patient’s symptoms?
6. A patient undergoes screening for celiac disease and has a positive tissue transglutaminase IgA (tTG-IgA) and a normal IgA level. Which of the following test results would most strongly suggest that the initial result is a false positive?
7. A 19-year-old woman presents with fatigue, muscle weakness, and episodes of hypoglycemia during prolonged fasting. She reports following a strict vegan diet. Based on her clinical picture, which of the following would you expect to see on an organic acid test (OAT)?
8. Which of the following is the strongest driver of glymphatic clearance?
9. A patient is prescribed prednisone. How will prednisone likely affect thyroid hormone secretion?
10. Which of the following conditions is most commonly associated with low cortisol levels?
11. When gamma-linolenic acid (GLA) is used therapeutically, it is often paired with another fatty acid to help prevent downstream conversion into arachidonic acid (AA). Which of the following fatty acids helps prevent this conversion?
12. Increased intestinal permeability most commonly contributes to autoimmunity via which mechanism?
13. Pterostilbene is a naturally occurring polyphenol with antioxidant and anti-inflammatory properties. Which of the following foods provides the highest natural concentration of this compound?
14. Which of the following is an example of an acquired antecedent?
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