Because health care workers are at a greater risk of hepatitis B infection, it is recommended that all health care workers:
1. wash their hands often.
2. avoid foreign travel.
3. become vaccinated.
4. drink bottled water only.
3
Because of the risk of blood and body fluid exposure, it is recommended that all health care workers be vaccinated against hepatitis B virus. All health care workers should engage in frequent handwashing, but handwashing is not the primary mechanism to prevent the onset of hepatitis B. Avoiding foreign travel and drinking bottled water only will not reduce the risk of hepatitis B.
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The four levels of consciousness include all of the following except
a. Alert b. Comatose c. Semicomatose d. Lethargic
The nurse is caring for a pregnant woman receiving an intravenous infusion with magnesium sulfate. What is the most appropriate nursing intervention?
a. Count respirations and report a rate of less than 12 breaths/min. b. Count respirations and report a rate of more than 20 breaths/min. c. Check blood pressure and report a rate of less than 100/60 mm Hg. d. Monitor urinary output and report a rate of less than 100 mL/hr.
The carrier protein responsible for absorption of vitamin B12 is:
1. pepsin. 2. intrinsic factor. 3. hydrochloric acid. 4. gastrin.
The Stanford Binet Intelligence Quotient is a normed intelligence test, and its IQ measures are quite normally distributed. Its standard deviation is 16. If the test were perfectly normal in its distribution, this would mean which of the following?
(Select all that apply.) a. There are more people with IQs of 100 than any other number. b. For every person with an IQ of 120, there is one with an IQ of 80. c. More than 95% of people have IQs between 68 and 132. d. If someone's IQ is measured as 109, and years later it is measured as 112, someone else's IQ has dropped three points. e. About 14% of people have IQs between 117 and 132. f. Excluding people with IQs of exactly 100, half of the remainder have IQs lower than 100, and the other half have IQs higher than 100.