The nurse explains that in the event of an invasion of an allergen, the basophils release a strong vasodilator, which is:
a. lysozyme.
b. prothrombin.
c. hematocrit.
d. histamine.
ANS: D
Histamine is released by the basophils during the invasion of an allergen.
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Following a liver biopsy, the nurse should observe for hemorrhage and ensure that the patient is kept on bed rest for 24 hours. For the first 1 to 2 hours, the nurse should keep the patient:
a. on his or her left side. b. on his or her back. c. on his or her right side. d. in high Fowler's position.
The nurse is caring for an adult client who sustained a right distal radial fracture and a left tibia fracture. Which mobility aid is appropriate for this client?
A) Lofstrand crutches B) Platform crutches C) Walker D) Axillary crutches
A nurse researcher is planning to use blinding when designing a research study. In which of the following instances would this be most important?
a. Using a small sample size b. Measuring outcomes accurately c. Using a control group d. Studying the attrition rate
The nurse prepares to administer medications to clients on the orthopedic unit. Which outcomes will result from following the unit's rules, policies, and procedures?
1. Minimizing medication errors 2. Positively verifying client identification prior to medication administration 3. Guiding accurate documentation 4. Holding nurses accountable for medication errors 5. Determining which medication errors are preventable