Which of the following is recommended when considering World Wide Web home page content and design?
1. To improve readability always use dark backgrounds with light colored text.
2. Do not include a counter; visitors do not need to know how many people visited a site.
3. Include as much information on the introductory page as possible so the user will not need to link to other pages.
4. Do not place a copyright notice on the introductory page; the U.S. Copyright Office does not register Web pages.
2
Rationale: The recommendation is not to include a counter; visitors do not need to know how many people visited a site. Your choice would decrease readability, since dark backgrounds can cause fatigue. To improve readability, use high-contrast backgrounds such as black text on white.
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A 63-year-old woman has begun a diet that purports to minimize the quantity and effects of free radicals in her body. What physiological processes could best underlie her care provider's teaching about her new diet?
A) Free radicals act as direct mediators in the inflammatory process. B) Free radicals inhibit the inflammatory response, limiting preadaptive response to infection. C) Free radicals increase cytokine expression and adhesion molecule levels, resulting in increased inflammation. D) Free radicals contribute to atherosclerosis and decreased immune response.
A nurse is having difficulty with the decision for aggressive cancer therapy in an elderly client, knowing that the client will be subjected to harmful chemicals. This nurse is struggling with which of the following principles?
1. Autonomy 2. Justice 3. Beneficence 4. Nonmaleficence
Some nursing tasks cannot be delegated. Which of the following nursing tasks cannot be delegated?
a. vital signs, intake, and output b. patient assessment c. health teaching and counseling d. sterile procedures e. evaluation of patient's response f. activities of daily living
The client has inadvertently taken an overdose of beta-blockers. The nurse anticipates that the primary healthcare provider will treat this with:
a. epinephrine. b. glucagon. c. norepinephrine. d. dextrose 50%.