Antioxidants disarm free radicals produced during normal oxygen metabolism. Which mineral is a component of an enzyme that acts as an antioxidant?
A) Iron B) Iodine C) Zinc D) Selenium
D
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Selenium is a component of a group of enzymes, called glutathione peroxidases, that function as antioxidants to disarm free radicals produced during normal oxygen metabolism.
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ADH works primarily at the
a. liver. c. stomach. b. pancreas. d. kidneys.
The nurse develops a discharge teaching plan for a patient who was prescribed pancreatic enzyme replacement and includes what important teaching point?
A) Take the enzymes on an empty stomach. B) Crush the capsules and take with food. C) Avoid spilling the powder on the skin because it may be irritating. D) Pancreatin and pancrelipase are interchangeable.
A patient presents to the walk-in clinic complaining of vomiting and burning in his mid-epigastria. The nurse knows that to confirm peptic ulcer disease, the health care provider is likely to order a diagnostic test to detect the presence of what?
A) Infection with Helicobacter pylori B) Excessive stomach acid secretion C) Gastric irritation caused by nonsteroidal anti-inflammatory drugs (NSAIDs) D) Inadequate production of pancreatic enzymes
A nurse is teaching a pregnant woman about nutritional needs. Which of the following nutritional deficiencies during pregnancy might result in neural tube defects in the developing fetus?
A) vitamin D B) iodine C) calcium D) folic acid