Selenium is a cofactor for an enzyme called glutathione peroxidase, which is important for
A. synthesis of hydroxyapatite.
B. antioxidant defense systems in the body.
C. stomach acid production.
D. regulation of fluid status.
Answer: B
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Joe Brian, 6?3? tall and 265 pounds, came to the physician with complaints of indigestion, heartburn, a bloated feeling, and occasional vomiting. He states that he sometimes wakes up with the taste of vomit in his mouth. He also complains of chest pain and states, "Sometimes I feel like I am having a heart attack." After performing an endoscopy, the physician diagnoses a hiatal hernia with
esophageal reflux and esophagitis. The physician prescribes a histamine receptor antagonist and antacids before meals and at bedtime. ? Describe the pathology that occurs when a hiatal hernia exists. Correlate each symptom with the medical diagnosis and describe the cause.
Good sources of zinc include all of the following EXCEPT
A. red meat. B. iceberg lettuce. C. oysters. D. whole grains.
Frequent complications of gastric surgery include all of the following except:
a. bone disease. b. weight loss. c. protein malabsorption. d. iron-deficiency anemia.
Frozen desserts made for diabetics usually replace the sucrose with
a. glucose. b. vegetable fat. c. sorbitol. c. soy protein or soy isolate.