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Which of the following devices is best suited to deliver 65 % oxygen to a patient who is spontaneously breathing?
- A. Face mask with non-rebreathing reservoir
- B. Low-flow nasal cannula
- C. Simple face mask
- D. Venturi mask
Correct Answer: D
Rationale: The Venturi mask is the best choice for delivering 65% oxygen because it allows precise oxygen concentration delivery through adjustable venturi valves. This device ensures consistent oxygen levels even during variations in patient breathing patterns. Face mask with non-rebreathing reservoir (A) delivers higher oxygen concentrations, low-flow nasal cannula (B) is not suitable for precise oxygen delivery, and simple face mask (C) may not provide the desired oxygen concentration.
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The nurse is caring for a critically ill patient with terminal cancer. The monitor alarms and shows ventricular tachycardia. The patient does not have a “do not resuscitate” order written on the chart. What is the appropriate nursing action?
- A. Contact the attending physician immediately to determ ine if CPR should be initiated.
- B. Contact the family immediately to determine if they waabnirtb .CcoPmR/te stot be started.
- C. Give emergency medications but withhold intubation.
- D. Initiate CPR and call a code.
Correct Answer: D
Rationale: The correct answer is D: Initiate CPR and call a code. In this scenario, the patient is critically ill with ventricular tachycardia, a life-threatening arrhythmia. Since there is no "do not resuscitate" order, the appropriate nursing action is to initiate CPR immediately to attempt to restore the patient's cardiac function and circulation. Calling a code will ensure that a team of healthcare providers can respond promptly with necessary interventions. Options A and B involve unnecessary delays in potentially life-saving interventions. Option C is incorrect as withholding intubation can compromise the patient's airway and oxygenation. Thus, option D is the most appropriate action to prioritize the patient's safety and well-being in this critical situation.
What are the diagnostic criteria for acute respiratory distress syndrome (ARDS)? (Select all that apply.)
- A. Bilateral infiltrates on chest x-ray study
- B. Decreased cardiac output
- C. PaO /FiO ratio of less than 200 2 2
- D. Pulmonary artery occlusion pressure (PAOP) of more than 18 mm Hg
Correct Answer: A
Rationale: The correct answer is A: Bilateral infiltrates on chest x-ray study. ARDS diagnosis requires bilateral infiltrates on chest x-ray, indicative of non-cardiogenic pulmonary edema. Choice B, decreased cardiac output, is not a diagnostic criterion for ARDS. Choice C, PaO2/FiO2 ratio of less than 200, is a key diagnostic criteria for ARDS, indicating severe hypoxemia. Choice D, PAOP of more than 18 mm Hg, is used to differentiate between cardiogenic and non-cardiogenic causes of pulmonary edema, but it is not a direct diagnostic criterion for ARDS.
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.
Which findings have been reported in the literature as benefits of allowing family to be present during resuscitation and invasive procedures? (Selaebcirtb a.clolm t/hteastt apply.)
- A. Families benefit by witnessing that everything possible was done.
- B. Families report reduced anxiety and fear about what is being done to the patient.
- C. Presence encourages family members to seek litigation for improper care.
- D. Presence reduces nurses’ involvement in explaining th ings to the family.
Correct Answer: A
Rationale: Step 1: Families benefit by witnessing that everything possible was done during resuscitation and invasive procedures.
Step 2: This reassures families that healthcare providers are doing their best to save the patient.
Step 3: It can provide closure and comfort to families knowing that all efforts were made.
Step 4: This transparency can also help in the grieving process for families.
Summary: Choice A is correct because it highlights the emotional and psychological benefits for families. Choices B, C, and D are incorrect as they do not align with the positive impacts of allowing family presence during resuscitation and invasive procedures.
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.