A nurse is caring for a patient with acute respiratory distress syndrome (ARDS) who is receiving mechanical ventilation using synchronized intermittent mandatory ventilation (SIMV). The settings include fraction of inspired oxygen (FIO2) of 80%, tidal volume of 450, rate of 16/minute, and positive end- expiratory pressure (PEEP) of 5 cm. Which assessment finding is most important for the nurse to report to the health care provider?

Respiratory rate 22 breaths/min

Heart rate 106 beats/min

02 saturation of 99%

Crackles audible at lung bases

Answer and Explanation

The Correct Answer is D

D Crackles audible at the lung bases indicate the presence of pulmonary edema or fluid accumulation in the alveoli, which can compromise gas exchange and exacerbate respiratory distress. In a patient with ARDS, crackles suggest worsening pulmonary status and may indicate inadequate ventilation or oxygenation despite mechanical ventilation. Therefore, crackles at the lung bases are the most important finding to report to the healthcare provider as they may indicate a need for adjustments to the ventilator settings or additional interventions to optimize respiratory function and prevent further deterioration.

A respiratory rate of 22 breaths/min may be within an acceptable range, particularly considering that the patient is receiving mechanical ventilation. However, any significant deviation from the baseline respiratory rate or signs of respiratory distress, such as increased work of breathing or accessory muscle use, should be closely monitored and reported promptly.

B A heart rate of 106 beats/min may be within an acceptable range, although it is slightly elevated. Tachycardia can occur due to various factors, including pain, anxiety, fever, or hypoxemia. While tachycardia warrants close monitoring, it may not be the most critical finding to report unless it is associated with hemodynamic instability or other concerning symptoms.

C An oxygen saturation of 99% indicates adequate oxygenation, which is reassuring, particularly in a patient with acute respiratory distress syndrome (ARDS). However, oxygen saturation alone may not reflect the adequacy of ventilation or the severity of the underlying lung injury. Therefore, while oxygen saturation should be monitored closely, it may not be the most critical finding to report unless it declines significantly or is accompanied by other concerning symptoms.

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Correct Answer is A

Explanation

A. Atropine is commonly used in the treatment of symptomatic bradycardia. It works by blocking vagal stimulation, leading to increased heart rate. Atropine is typically administered in doses of 0.5 to 1 mg every 3 to 5 minutes, up to a total dose of 3 mg, in patients with symptomatic bradycardia.

B. Sodium bicarbonate is not indicated for symptomatic bradycardia. It is primarily used in the management of metabolic acidosis, hyperkalemia, and certain drug overdoses. While sodium bicarbonate may be administered in specific situations during cardiopulmonary resuscitation (CPR), it is not the first-line treatment for symptomatic bradycardia.

C. Magnesium sulfate is used in the treatment of certain arrhythmias, such as torsades de pointes and refractory ventricular fibrillation or ventricular tachycardia associated with hypomagnesemia. However, it is not the first-line treatment for symptomatic bradycardia. Magnesium sulfate may be considered if there are specific indications such as torsades de pointes or suspected hypomagnesemia.

D. Epinephrine is commonly used in advanced cardiac life support (ACLS) protocols for cardiac arrest. It is not the first-line treatment for symptomatic bradycardia. Epinephrine is primarily used during CPR to improve coronary and cerebral perfusion by increasing systemic vascular resistance and heart rate.

However, in the case of symptomatic bradycardia, atropine is typically preferred as the initial medication.

A. Hypokalemia B. Heart rate 160/min C. Mottled skin D. Blood pressure 115/68 mmHg

Correct Answer is B

Explanation

B. Tachycardia is a compensatory mechanism aimed at increasing cardiac output and maintaining tissue perfusion. In response to decreased perfusion, the body increases heart rate to improve circulation and oxygen delivery to tissues.
A. Hypokalemia, or low potassium levels, is not typically associated with the compensatory stage of shock. Instead, electrolyte imbalances may develop later in the progression of shock due to tissue hypoperfusion and metabolic disturbances.
C. Mottled skin, characterized by patchy discoloration due to uneven blood flow, is more commonly seen in the progressive or irreversible stages of shock. It indicates significant tissue hypoperfusion and impaired microcirculation, rather than the compensatory stage
D. This blood pressure reading is within the normal range and may be maintained during the compensatory stage of shock. Initially, blood pressure may be maintained or only slightly decreased due to compensatory mechanisms such as vasoconstriction. However, blood pressure can decrease further as shock progresses beyond the compensatory stage.

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has a cardiopulmonary arrest. The nurse anticipates the emergency response team will administer which of the following medications if the client's restored rhythm is symptomatic bradycardia?

Correct Answer is A

Explanation

A nurse is caring for a client who is in the compensatory stage of shock. Which of the following findings should the nurse expect?

Correct Answer is B

Explanation

Which is(are) potential result(s) of end-organ damage from chronic hypertension? (Select all that apply.)

A nurse is caring for a client with a ventricular pacemaker who is on ECG monitoring. The nurse understands that the pacemaker is functioning properly when which of the following appears on the monitor strip?

A nurse is caring for a client in a critical care unit who suffered a knife wound to the chest. The nurse suspects the client is developing cardiac tamponade. Which of the following assessment findings should the nurse identify as supporting this suspicion?

A nurse is caring for a client who is unconscious and has a breathing pattern characterized by alternating periods of hyperventilation and apnea. The nurse should document that the client has which of the following respiratory alterations?

A patient admitted with urosepsis and alcohol abuse had three seconds of PVCS and returns to sinus tachycardia. The patient's baseline heart rate ie 116/ min with a temperature of 101.1F, respirations of 22/min and blood pressure is 114/64. What should the nurse anticipate to do first?

An 81-yr-old patient who has been in the intensive care unit (ICU) for a week is now stable and transfer to the progressive care unit is planned. On rounds, the nurse notices that the patient has new onset confusion. What should the nurse plan to do?

A nurse is caring for a client who reports heart palpitations. An ECG confirms the client is experiencing ventricular tachycardia (VT). The nurse should anticipate the need for taking which of the following actions?

Which of the following factors can directly affect cardiac output?