Nokea
The nurse is caring for a patient who has an intra-aortic balloon pump in place. Which of the following actions should be included in the plan of care?
- A. Avoid the use of anticoagulant medications.
- B. Keep the head of the bed elevated 45 degrees.
- C. Measure the patient's urinary output every hour.
- D. Provide passive range of motion for all extremities.
Correct Answer: C
Rationale: Monitoring urine output will help determine whether the patient's cardiac output has improved and also help monitor for balloon displacement. The head of the bed should be no higher than 30 degrees. Heparin is used to prevent thrombus formation. Limited movement is allowed for the extremity with the balloon insertion site to prevent displacement of the balloon.
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Which of the following actions should the nurse take when the low-pressure alarm sounds for a patient who has an arterial line in the right radial artery?
- A. Check the right hand for pallor.
- B. Assess for cardiac dysrhythmias.
- C. Flush the arterial line with saline.
- D. Rezero the monitoring equipment.
Correct Answer: B
Rationale: The low-pressure alarm indicates a drop in the patient's blood pressure, which may be caused by cardiac dysrhythmias. There is no indication to rezero the equipment. Pallor of the right hand would be caused by occlusion of the radial artery by the arterial catheter, not by low pressure. There is no indication of a need for flushing the line.
The nurse is caring for a patient who has acute pancreatitis and the mixed venous oxygen saturation (SvO2) is decreasing. Which of the following parameters should the nurse assess to determine the possible cause of the decreased SvO2?
- A. Weight
- B. Amylase
- C. Temperature
- D. Urinary output
Correct Answer: C
Rationale: Elevated temperature increases metabolic demands and oxygen use by tissues, resulting in a drop in oxygen saturation of mixed venous blood. Information about the patient's weight, urinary output, and amylase will not help in determining the cause of the patient's drop in SvO2.
The family members of a patient who has just been admitted to the intensive care unit (ICU) with multiple traumatic injuries have just arrived in the ICU waiting room. Which of the following actions should the nurse take first?
- A. Immediately take the family members to the patient's room.
- B. Discuss ICU visitation policies and encourage family visits.
- C. Describe the patient's injuries and the care that is being provided.
- D. Invite the family to participate in a multidisciplinary care conference.
Correct Answer: C
Rationale: Lack of information is a major source of anxiety for family members and should be addressed first. Family members should be prepared for the patient's appearance and the ICU environment before visiting the patient for the first time. ICU visiting should be individualized to each patient and family rather than being dictated by rigid visitation policies. Inviting the family to participate in a multidisciplinary conference is appropriate but should not be the initial action by the nurse.
The nurse is caring for a patient with pulmonary hypertension. Which of the following parameters should the nurse monitor as an index of right ventricular afterload?
- A. Mean arterial pressure (MAP)
- B. Central venous pressure (CVP)
- C. Pulmonary vascular resistance (PVR)
- D. Pulmonary artery wedge pressure (PAWP)
Correct Answer: C
Rationale: Pulmonary vascular resistance and pulmonary artery pressure are indexes of right ventricular afterload. The other parameters do not directly assess for right ventricular afterload.
The nurse is caring for a patient who is in cardiogenic shock requiring an intra-aortic balloon pump (IABP). Which of the following assessment findings indicates that the goals of treatment with the IABP are being met?
- A. Heart rate of 110 beats/minute
- B. Urine output of 20 mL/hour
- C. Cardiac output (CO) of 5 L/minute
- D. Stroke volume (SV) of 40 mL/beat
Correct Answer: C
Rationale: A CO of 5 L/minute is normal (range is 4-8 L/minute) and indicates that the IABP has been successful in treating the shock. The low SV signifies continued cardiogenic shock. The tachycardia and low urine output also suggest continued cardiogenic shock.