The epidemiologic triangle consists of three components: agent, host, and environment. Which of the following is an example of an agent?
1. Human population distribution
2. Salmonella
3. Genetic susceptibility
4. Climate
ANS: 2
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A male African American client says to a white male nurse "There's no sense in talking with you
You wouldn't understand because you live in a white world.". The best response for the nurse would be to a. explain that the nurse can understand because everyone goes through the same experiences. b. ask the client to give an example of something he thinks the nurse wouldn't understand. c. reassure him that nurses are trained to deal with people from all cultures. d. gently change the subject to one that is less emotionally charged.
A prescriber has ordered bethanechol [Urecholine] for a postoperative patient who has urinary retention. The nurse reviews the patient's chart before giving the drug
Which part of the pa-tient's history would be a contraindication to using this drug? a. Asthma as a child b. Gastroesophageal reflux c. Hypertension d. Hypothyroidism
Ordered: 25,000 units of heparin in 250 mL D5W infusing at 8 mL/h. The hourly heparin dosage is
_____________. Fill in the blank(s) with correct word
The least-squares principle minimizes the sums of squares of prediction errors in regression analysis
A) True B) False