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A patient’s status deteriorates and mechanical ventilation i s now required. The pulmonologist wants the patient to receive 10 breaths/min from the ventilaabtirobr.c bomu/tt ewst ants to encourage the patient to breathe spontaneously in between the mechanical breaths at his own tidal volume. This mode of ventilation is referred to by what term?
- A. Assist/control ventilation
- B. Controlled ventilation
- C. Intermittent mandatory ventilation
- D. Positive end-expiratory pressure
Correct Answer: C
Rationale: Rationale:
1. Intermittent Mandatory Ventilation (IMV) allows the patient to breathe spontaneously between the preset mechanical breaths.
2. It provides a set number of breaths per minute while allowing the patient to initiate additional breaths at their own tidal volume.
3. IMV is a partial ventilatory support mode, providing a balance between controlled and spontaneous breathing.
4. Assist/Control Ventilation (A) provides full support with every breath initiated by the patient or the ventilator.
5. Controlled Ventilation (B) does not allow for spontaneous breaths by the patient.
6. Positive End-Expiratory Pressure (D) is a separate mode focusing on maintaining positive pressure at the end of expiration, not providing breaths.
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A 53-year-old, 80-kg patient is admitted to the cardiac sur gical intensive care unit after cardiac surgery with the following arterial blood gas (ABG ) levels. What is the nurse’s interpretation of these values? pH 7.4 PaCO 40 mm Hg Bicarbonate 24 mEq/L PaO 95 mm Hg O saturation 97% Respirations 20 breaths per minute
- A. Compensated metabolic acidosis
- B. Metabolic alkalosis
- C. Normal ABG values
- D. Respiratory acidosis
Correct Answer: C
Rationale: The correct interpretation is C: Normal ABG values.
1. pH is within the normal range of 7.35-7.45.
2. PaCO2 is 40 mm Hg, within the normal range of 35-45 mm Hg.
3. Bicarbonate is 24 mEq/L, within the normal range of 22-26 mEq/L.
4. PaO2 is 95 mm Hg, within the normal range of 80-100 mm Hg.
5. Oxygen saturation is 97%, which is normal.
6. Respirations are also within the normal range at 20 breaths per minute.
Overall, all values fall within the normal range, indicating a well-maintained acid-base balance. Other choices are incorrect because there are no abnormalities that would suggest compensated metabolic acidosis, metabolic alkalosis, or respiratory acidosis based on the given ABG values.
A young man has just arrived at the ICU from out of town and received news that his girlfriend, who is admitted there, likely only has a few days left to live. Which of the following would be the best approach for the nurse to take in caring for the needs of this young man?
- A. Recommending that he go home and rest
- B. Giving him unrestricted visiting hours with the patient
- C. Suggesting that he meet with the hospital chaplain
- D. Recommending that he ask the doctor to evaluate the patients pain control measures
Correct Answer: C
Rationale: The correct answer is C: Suggesting that he meet with the hospital chaplain. This approach is best as it addresses the young man's emotional and spiritual needs during a difficult time. The chaplain can provide comfort, support, and guidance in coping with his girlfriend's situation. This option focuses on holistic care and acknowledges the importance of emotional well-being.
A: Recommending that he go home and rest is not the best approach as it dismisses the young man's emotional distress.
B: Giving him unrestricted visiting hours with the patient may not be appropriate as it can be overwhelming and may not address his emotional needs effectively.
D: Recommending that he ask the doctor to evaluate the patient's pain control measures is important but does not directly address the young man's emotional needs in this situation.
Gastric lavage and administration of activated charcoal are ordered for an unconscious patient who has been admitted to the emergency department (ED) after ingesting 30 lorazepam (Ativan) tablets. Which action should the nurse plan to do first?
- A. Insert a large-bore orogastric tube.
- B. Assist with the intubation of the patient.
- C. Prepare a 60-mL syringe with saline.
- D. Give the first dose of activated charcoal.
Correct Answer: B
Rationale: The correct answer is B: Assist with the intubation of the patient. In this scenario, the patient is unconscious and has ingested a potentially harmful substance. Intubation is the first priority to maintain the patient's airway and ensure adequate oxygenation. This step is crucial in preventing aspiration of gastric contents and securing the patient's respiratory status. Inserting a large-bore orogastric tube (choice A) is not the priority as airway management takes precedence. Preparing a syringe with saline (choice C) is unnecessary at this stage. Giving the first dose of activated charcoal (choice D) should only be done after securing the airway to prevent aspiration.
The nurse is caring for a patient who has undergone major abdominal surgery. The nurse notices that the patient’s urine output has been less than 20 mL/hour for the past 2 hours. The patient’s blood pressure is 100/60 mm Hg, and the pulse is 110 beats/min. Previously, the pulse was 90 beats/min with a blood pressure of 120/80 mm Hg. The nurse should
- A. contact the provider and expect a prescription for a normal saline bolus.
- B. wait until the provider makes rounds to report the assessment findings.
- C. continue to evaluate urine output for 2 more hours.
- D. ignore the urine output, as this is most likely postrenal in origin.
Correct Answer: A
Rationale: The correct answer is A: contact the provider and expect a prescription for a normal saline bolus. The patient is showing signs of hypovolemia with decreased urine output, low blood pressure, and elevated heart rate. This indicates inadequate perfusion and potential hypovolemic shock. Administering a normal saline bolus will help restore intravascular volume and improve perfusion. Waiting for the provider to make rounds (option B) could delay necessary intervention. Continuing to evaluate urine output for 2 more hours (option C) is not appropriate given the patient's current condition. Ignoring the urine output (option D) is dangerous as it could lead to further complications.
What nonpharmacological approaches to pain and/or anxie ty may best meet the needs of critically ill patients? (Select all that apply.)
- A. Anaerobic exercise
- B. Art therapy
- C. Guided imagery
- D. Music therapy
Correct Answer: B
Rationale: The correct answer is B: Art therapy. Art therapy can help critically ill patients express emotions, reduce anxiety, and cope with pain in a nonverbal way. It provides a creative outlet for self-expression and can improve overall well-being. Anaerobic exercise (A) may not be suitable for critically ill patients due to physical limitations. Guided imagery (C) may not be effective for all patients and requires a certain level of cognitive ability. Music therapy (D) can be beneficial, but art therapy is specifically known for its effectiveness in addressing emotional and psychological needs in critically ill patients.