A client asks why some vitamins are antioxidants. What should the nurse explain about an antioxidant?
a. Reduces elevated lipid levels
b. Is synthesized in the skin and acts like a hormone
c. Prevents damage to cells from free radicals, metabolic by-products
d. Is a beneficial form of vitamins that promotes digestion and absorption of nutrients
c. Prevents damage to cells from free radicals, metabolic by-products
Antioxidants prevent damage to cells from free radicals, the by-products of metabolism or environmental damage to cells. Vitamin D is synthesized in the skin and has hormone-like qualities. Antioxidants have no role in reducing lipid levels, nor do they have a role in digestion or absorption that take place in the small intestine.
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Human error can be caused by:
a. an action. b. an inaction. c. automatic thinking. d. both a and b.
Which of the following is the primary treatment for the calcium disorder hypoparathyroidism?
A. Administration of bisphosphonates B. Administration of the parathyroid hormone teriparatide (Forteo) C. Administration of intravenous calcium followed by oral calcium salts and vitamin D D. All of these
Which of the following is an irregular FHR pattern associated with normal conduction and rate?
A. Premature atrial contractions (PACs) B. Sinus arrhythmias C. Sinus tachycardias
After studying about viruses, which information indicates the student has a good understanding of viruses? Viruses:
a. contain no DNA or RNA. b. are capable of independent reproduction. c. replicate their genetic material inside host cells. d. are easily killed by antimicrobials.