At the beginning of your shift, you start your rounds on your patients. Upon entering this patient’s room, you observe that the cardiac monitor shows sinus tachycardia, is apneic and no pulses are palpable by the nurse.

What is the first action that the nurse should take?

Administer the prescribed Beta-Blocker

Prepare for Cardioversion per hospital protocol.

Give 100% oxygen per non-rebreather mask.

Start CPR

Answer and Explanation

The Correct Answer is D

The absence of palpable pulses suggests a lack of effective cardiac output, and the patient is in cardiac arrest. In this situation, immediate initiation of cardiopulmonary resuscitation (CPR) is crucial to maintain circulation and provide oxygenation to vital organs.
CPR consists of chest compressions and rescue breaths to circulate oxygenated blood to the brain and other vital organs. It is the primary intervention in cardiac arrest to provide temporary life support until advanced cardiac life support (ACLS) measures, such as defibrillation or medication administration, can be initiated.
A. Administering the prescribed Beta-Blocker in (option A) is incorrect because Administering a beta-blocker is not the initial action in a patient who is in cardiac arrest and requires immediate resuscitation.
B. Prepare for Cardioversion per hospital protocol (option B) is incorrect because Cardioversion, which is the delivery of an electric shock to the heart, may be considered in certain situations like unstable ventricular tachycardia or certain supraventricular tachycardias. However, in the given scenario, the patient is unresponsive and has no pulses, indicating cardiac arrest where CPR takes precedence over cardioversion.
C. Give 100% oxygen per non-rebreather mask in (option C) is incorrect because: While oxygenation is important, it should not delay or replace the initiation of CPR, which is the immediate priority in a patient without palpable pulses.
Therefore, the first action that the nurse should take in this scenario is to start CPR.

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Correct Answer is C

Explanation

Urine output is an essential indicator of renal perfusion and overall fluid status. In a patient in shock, maintaining an adequate urine output is a crucial goal of fluid resuscitation. A urine output of 0.5 to 1 mL/kg/hour is generally considered adequate in adults. The given value of 35 ml over the last hour suggests that the patient is producing urine, which indicates that fluid resuscitation is effective in restoring perfusion to the kidneys.
A. The patient's mean arterial pressure (MAP) is 50 mm Hg in (option A) is incorrect because While mean arterial pressure is an important hemodynamic parameter, a single value alone may not provide a comprehensive assessment of the patient's response to fluid resuscitation.
B. The patient's GCS score is 9 in (option B) is incorrect because The Glasgow Coma Scale (GCS) assesses the level of consciousness and neurological function but does not directly reflect fluid resuscitation effectiveness.
D. The patient's hemoglobin is within normal limits: (option D) is incorrect because Haemoglobin levels are important for assessing oxygen-carrying capacity but do not directly indicate the effectiveness of fluid resuscitation.
Therefore, the nurse can evaluate that fluid resuscitation for a 70 kg patient in shock is effective by observing a urine output of 35 ml over the last hour.

Correct Answer is ["21"]

Explanation

flow rate for an infusion= (Volume in mL * Drop factor) / Time in minutes.

volume of the infusion bag is 250 mL, the drop factor is 10 gtts/mL, and the time is 2 hours, which is 120 minutes.

(250 mL * 10 gtts/mL) / 120 minutes = 2500 gtts / 120 minutes ≈ 20.83 gtts/minute. Therefore, the nurse should run the infusion at a rate of approximately 21 drops per minute to deliver 1 unit of packed red blood cells over the 2-hour period.

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At the beginning of your shift, you start your rounds on your patients. Upon entering this patient’s room, you observe that the cardiac monitor shows sinus tachycardia, is apneic and no pulses are palpable by the nurse. What is the first action that the nurse should take?

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Naxlex Comprehensive Predictor Exams

The emergency department nurse evaluates that fluid resuscitation for a 70 kg patient in shock is effective by finding which one of the following?

Correct Answer is C

Explanation

Correct Answer is ["21"]

Explanation

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At the beginning of your shift, you start your rounds on your patients. Upon entering this patient’s room, you observe that the cardiac monitor shows sinus tachycardia, is apneic and no pulses are palpable by the nurse.

What is the first action that the nurse should take?