In calculating the glomerular filtration rate (GFR) results for women, the creatinine clearance is usually:

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Critical Care Nursing Questions Questions

Question 1 of 9

In calculating the glomerular filtration rate (GFR) results for women, the creatinine clearance is usually:

Correct Answer: C

Rationale: The correct answer is C: multiplied by 0.85. This is because women typically have lower muscle mass compared to men, resulting in lower creatinine production. Therefore, to adjust for this difference, the creatinine clearance for women is multiplied by 0.85. This correction factor helps to more accurately estimate the GFR in women. Choices A and B are incorrect because the creatinine clearance for women is not the same as or greater than that for men due to the physiological differences in muscle mass. Choice D is also incorrect as multiplying by 1.15 would overestimate the GFR in women.

Question 2 of 9

The nurse assesses a patient who is admitted for an overdo se of sedatives. The nurse expects to find which acid-base alteration?

Correct Answer: B

Rationale: The correct answer is B: Hypoventilation and respiratory acidosis. When a patient overdoses on sedatives, it can lead to respiratory depression causing hypoventilation. Hypoventilation results in retention of CO2, leading to respiratory acidosis. This is because the body is not effectively exhaling CO2, causing an increase in carbonic acid levels and a decrease in blood pH. The other choices are incorrect because hyperventilation would lead to respiratory alkalosis (Choice A), hypoventilation does not cause respiratory alkalosis (Choice C), and normal oxygen levels do not indicate the acid-base imbalance caused by sedative overdose (Choice D).

Question 3 of 9

As part of nursing management of a critically ill patient, o rders are written to keep the head of the bed elevated at 30 degrees, awaken the patient from se dation each morning to assess readiness to wean from mechanical ventilation, and implement oral care protocols every 4 hours. These interventions are done as a group to reduce thabei rrbi.csokm o/tef svt entilator-associated pneumonia. This group of evidence-based interventions is often referred to using what term?

Correct Answer: A

Rationale: The correct answer is A: Bundle of care. A bundle of care refers to a set of evidence-based interventions that, when implemented together, have been shown to improve patient outcomes. In this scenario, keeping the head of the bed elevated, daily awakening from sedation, and oral care protocols are bundled together to reduce the risk of ventilator-associated pneumonia. This approach is based on the idea that implementing multiple interventions simultaneously is more effective than individual interventions alone. Choices B, C, and D are incorrect because: B: Clinical practice guidelines provide recommendations for healthcare providers based on evidence but do not necessarily involve a group of interventions bundled together. C: Patient safety goals are specific objectives aimed at improving patient safety outcomes, but they do not specifically refer to a group of interventions bundled together. D: Quality improvement initiatives focus on improving processes and outcomes in healthcare settings but do not necessarily involve a group of interventions bundled together for a specific purpose like in this case.

Question 4 of 9

A nurse is on a committee that is trying to reduce the occurrence of hospital-acquired infections in the ICU. Her role is to conduct research to find which interventions have been shown to be most effective in reducing these infections. She consults many different sources and finds conflicting information. Which of the following sources should she consider the most authoritative?

Correct Answer: B

Rationale: The correct answer is B: A meta-analysis of randomized controlled trials in the American Journal of Nursing. 1. Meta-analyses provide a comprehensive overview of multiple studies, increasing the reliability of the findings. 2. Randomized controlled trials are considered the gold standard in research design for assessing intervention effectiveness. 3. The American Journal of Nursing is a reputable source in the field of nursing, ensuring the credibility of the study. 4. By synthesizing data from various trials, the meta-analysis can offer a more robust and generalizable conclusion compared to a single trial or qualitative studies. Incorrect choices: A: AACN expert panel report - Expert opinions may vary and lack the empirical evidence provided by research studies. C: A systematic review of qualitative studies in the Journal of Advanced Nursing - Qualitative studies may provide valuable insights but may not offer concrete evidence on intervention effectiveness like quantitative studies. D: A single randomized controlled trial in the American Journal of Critical Care - Single trials may not capture the full picture and

Question 5 of 9

Slow continuous ultrafiltration is also known as isolated ultrafiltration and is used to

Correct Answer: A

Rationale: The correct answer is A because slow continuous ultrafiltration removes excess plasma water in cases of volume overload by applying a pressure gradient across a semipermeable membrane. This process helps to achieve fluid balance without removing solutes. Choice B is incorrect because convection is not the primary mechanism of slow continuous ultrafiltration. Choice C is incorrect as dialysate is not added in slow continuous ultrafiltration. Choice D is incorrect as slow continuous ultrafiltration does not combine all three processes of ultrafiltration, convection, and dialysis.

Question 6 of 9

Which of the following are accepted nonpharmacological approaches to managing pain and/or anxiety in critically ill patients? (Select all that apply.)

Correct Answer: A

Rationale: Step 1: Environmental manipulation involves adjusting factors like lighting, noise levels, and room temperature to create a soothing environment, which can help reduce pain and anxiety. Step 2: By controlling the physical surroundings, patients may feel more comfortable and relaxed, leading to improved pain management and reduced anxiety levels. Step 3: Explanations of monitoring equipment and guided imagery are not directly related to environmental changes that can impact pain and anxiety. Step 4: Music therapy, while beneficial for some patients, is not categorized as environmental manipulation.

Question 7 of 9

A client has been admitted after experiencing multiple trauma and is intubated and sedated. When the five members of the immediate family arrive, they are anxious, angry, and very demanding. They all speak loudly at once and ask for many services and answers. What is the best nursing response?

Correct Answer: B

Rationale: The correct answer is B: Take them to a private area for initial explanations. This response is the best because it allows the nurse to address the family's concerns in a private and controlled environment. It promotes effective communication and enables the family to express their emotions and receive information without distractions. Choice A is incorrect because asking the family to leave may escalate the situation and not address their needs. Choice C is inappropriate as paging security to remove the family can worsen the family's distress and hinder communication. Choice D is not ideal as leaving the family alone may lead to misunderstandings and increased anxiety. Overall, choice B is the most therapeutic and effective approach in this situation.

Question 8 of 9

A patient in the ICU is complaining that he is not sleeping well at night because of anxiety. Which of the following would be the most helpful intervention for the nurse to make?

Correct Answer: C

Rationale: Rationale: C: Providing the patient with 5 minutes of effleurage (gentle massage) and minimizing disruptions is the most helpful intervention. Effleurage can help reduce anxiety and promote relaxation, improving sleep quality. Minimizing disruptions creates a conducive environment for sleep. A: Providing a bath after REM sleep may disrupt the patient's sleep cycle, worsening anxiety. B: Increasing pain medication may not address the root cause of anxiety and could lead to dependency or side effects. D: Monitoring brain waves with polysomnography is an invasive procedure not typically indicated for managing anxiety-related sleep issues.

Question 9 of 9

The nurse is assessing pain levels in a critically ill patient . The nurse recognizes that which patient action as indicatin g the greatest level of pain?

Correct Answer: C

Rationale: Correct Answer: C (Grimacing) Rationale: 1. Grimacing is a universal nonverbal sign of pain. 2. It involves facial muscles, indicating a high level of discomfort. 3. Brow lowering and eyelid closing are subtle signs, less indicative of severe pain. 4. Staring may signify concentration, not necessarily pain. Summary: Grimacing is the correct choice as it directly correlates with pain intensity, unlike the other options which are less specific or relevant indicators of severe pain.

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