A charge nurse is discussing evidence-based practice (EBP) with a newly licensed nurse.
Which of the following information should the nurse include when discussing the hierarchy of evidence?

One of the highest levels of evidence are randomized, controlled, double-blind studies.

Ideas, editorials, and opinions are highly valued in determining EBP.

The purpose of the hierarchy of evidence is to help the nurse compare patient values with research findings.

All forms of evidence should be considered equally when.

Answer and Explanation

The Correct Answer is A

One of the highest levels of evidence are randomized, controlled, double-blind studies. This is because these studies reduce the risk of bias and confounding factors by randomly assigning participants to intervention or control groups, blinding the participants and researchers to the group allocation, and using a placebo or standard treatment as a comparison.

Choice B is wrong because ideas, editorials, and opinions are considered low levels of evidence as they are based on personal views and not on rigorous research methods.

Choice C is wrong because the purpose of the hierarchy of evidence is to help the nurse evaluate the quality and strength of the research findings, not to compare patient values with research findings.

Patient values are important for evidence-based practice, but they are not part of the hierarchy of evidence.

Choice D is wrong because all forms of evidence should not be considered equally when determining evidence-based practice. The hierarchy of evidence ranks different types of research designs according to their validity and applicability, and the nurse should use the highest level of evidence available for their clinical question.

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Correct Answer is D

Explanation

Withholding food and oral fluids until intestinal mobility has returned. This is because the client may have postoperative ileus (POI), which is a reduction of gastrointestinal motility after abdominal surgery. POI is characterized by abdominal distension, lack of bowel sounds, accumulation of gas and fluids in the bowel, and delayed passage of flatus and stools.

Giving food and fluids to a client with POI may worsen the condition and cause complications.

Choice A is wrong because high fat foods may slow down GI motility and increase the risk of constipation.

Choice B is wrong because solid food intake may also aggravate POI and cause abdominal discomfort.

Choice C is wrong because fiber intake may increase gas production and distension in the bowel. The nurse should auscultate the abdomen for bowel sounds, and if they are present, or the client reports passing flatus, clear fluids can commence, and aperients can be administered. However, bowel sounds are not a reliable indicator of the end of POI, as they may not be associated with the time of first flatus.

Therefore, withholding food and oral fluids until intestinal mobility has returned is the most appropriate action by the nurse.

A. Call emergency services for the client. B. Increase the oxygen flow to 3 L/min. C. Have the client cough and expectorate secretions. D. Assess the client’s respiratory status.

Correct Answer is D

Explanation

This is the nurse’s priority because it will help determine the severity of the client’s difficulty breathing and guide the appropriate interventions. According to the Mayo Clinic, oxygen therapy for COPD is indicated when there is not enough oxygen in the blood, which can be measured by a pulse oximeter or a blood gas test. Increasing the oxygen flow without assessing the oxygen level could be harmful or ineffective. Having the client cough and expectorate secretions may help clear the airway, but it is not the first action to take. Calling emergency services may be necessary if the client’s condition is life threatening, but it should not be done before assessing the respiratory status.

Choice A is wrong because it does not address the immediate need of assessing the respiratory status and may cause unnecessary panic or delay in treatment.

Choice B is wrong because it does not follow the guidelines for oxygen therapy for COPD, which require a prescription and monitoring of oxygen levels.

Increasing the oxygen flow without assessing the oxygen level could cause oxygen toxicity or suppress the respiratory drive.

Choice C is wrong because it is not the most urgent action to take.

Having the client cough and expectorate secretions may help clear the airway, but it may also increase the work of breathing and worsen hypoxia.

Assessing the respiratory status should come first.

Normal ranges for oxygen saturation are 95% to 100% for healthy individuals and 88% to 92% for most people with COPD. Normal ranges for blood gas tests vary depending on the laboratory, but generally, normal values for arterial blood gas are: pH 7.35 to 7.45, PaCO2 35 to 45 mm Hg, PaO2 80 to 100 mm Hg, HCO3 22 to 26 mEq/L.

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A charge nurse is discussing evidence-based practice (EBP) with a newly licensed nurse. Which of the following information should the nurse include when discussing the hierarchy of evidence?

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A charge nurse is discussing evidence-based practice (EBP) with a newly licensed nurse.
Which of the following information should the nurse include when discussing the hierarchy of evidence?