The nurse understands that navigating through the literature search is challenging. Which of the following supports the nurse's use of a systematic format (PICO) to formulate an effective clini-cal question?
a. Organizes the elements that guide the clinical question
b. Formulates an answer to the clinical question
c. Explains the hierarchy of evidence
d. Identifies the strength of the evidence
A
Using the PICO approach allows for a systematic method of identifying important concepts when formulating the clinical question. Every component of the PICO model may not be used in every case. However, regardless of the type of resource used, the PICO model is effective in strategically guiding the development of the clinical question.
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The innermost "tunic" of the eye is also called the:
a. sclera c. orbit b. retina d. iris
The nurse is caring for a patient receiving heparin therapy. The nurse reviews the lab results and notes that the platelet count has dropped to 100,000 mm3
Further assessment of the patient reveals purple-tinged fingers and toes and tachypnea. The nurse should suspect __________________ and immediately ____________. a. hemorrhage; administer vitamin K1 b. thrombocytopenia; discontinue heparin c. massive pulmonary embolus; institute ventilator support d. massive myocardial infarction; administer nitroglycerin and oxygen
You are preparing to administer a medication to a pregnant patient. You read the medication information and note that, according to the FDA, it is a "Category X" drug. You should:
A. administer the medication as usual. B. administer half of the normal dose. C. ensure that an antidote is available. D. not administer the drug to the patient.
The mother of a 22-month-old child states, "My child does not seem to be developing like my sister's daughter, who is the same age." Which screening test should the nurse plan to conduct based on the current data?
1. Magnetic resonance imaging (MRI) of the head 2. An electroencephalogram (EEG) 3. A Denver II 4. Chromosomal study