NAPLEX Exam Dumps : North American Pharmacist Licensure Examination

Zileuton is the active ingredient found in the medicine Zyflo; a medicine that works as a 5-lipoxygenase inhibitor. As such, zileuton inhibits leukotrienes (LTB4, LTC4, LTD4, and LTE4) formation, and is used for the maintenance treatment of asthma in patients older than the age of 12. In 2 percent of patients, it raises liver enzymes. Sinusitis and nausea are the most common side effects.

The only bile acid sequestrant, colesevelam (Welchol), has been shown to increase triglycerides through mechanism of: activation of phosphatidic acid phosphatase with promotes triglyceride synthesis. GLP-1 agonists work on GLP 1 receptors to increase insulin secretion, decrease glucagon secretion, and increase satiety. Thiazolidinediones activate nuclear transcription factor PPAR gamma to increase insulin sensitivity. SGLT2 inhibitors inhibit glucose reabsorption in the kidney. Alpha-glucosidase inhibitors slow down digestion and absorptions of carbs in the gut.

Lifelong Vitamin B12 supplementation. Vitamin B12 (cyanocobalamin) deficiency generally presents in patients as fatigue, diarrhea and headaches but can also be the cause of cognitive changes (difficulty concentrating, even mild dementia). Pernicious anemia is a macrocytic anemia, therefore laboratory findings indicate an increased mean corpuscular volume (MCV), with a decreased hemoglobin. A positive Schilling test indicates that the B12 deficiency is due to a lack of intrinsic factor. Lifelong cyanocobalamin supplementation (either orally or via injections) is needed to treat pernicious anemia. A is incorrect. Folic acid deficiency anemia is another common type of macrocytic anemia. However, cognitive deficits are not typically seen with folic acid deficiency. Furthermore, a schilling test would be negative and the methylmalonic acid (MMA) would be normal, rather than elevated. C is incorrect. Iron deficiency anemia causes a microcytic anemia, characterized by a decreased MCV. D is incorrect. A Coomb’s test is used to detect autoimmune hemolysis that may be suspected in patients with normocytic anemia (anemia with an MCV in the normal range). E is incorrect. Corticosteroids and iron supplementation are indicated as treatment in hemolytic anemia.