A 66-year-old female patient in septic shock has received fluid resuscitation, but their mean arterial pressure (MAP) is 52 mmHg. The nurse anticipates the administration of which one of the following?
Nitroglycerine (Tridil).
Atenolol (Tenormin).
Dobutamine (Dobutrex).
Norepinephrine (Levophed).
The Correct Answer is D
Norepinephrine is a vasopressor medication commonly used in the management of septic shock. It acts as a potent vasoconstrictor to increase systemic vascular resistance and improve blood pressure. By constricting blood vessels, norepinephrine helps restore tissue perfusion and improve organ function.
A. Nitroglycerine (Tridil) in (option A) is incorrect because: Nitroglycerine is a vasodilator and would further lower blood pressure. It is not suitable for a patient with septic shock who already has low blood pressure.
B. Atenolol (Tenormin) in (option B) is incorrect because: Atenolol is a beta-blocker and would further decrease heart rate and blood pressure. It is not appropriate for a patient in septic shock who requires intervention to increase blood pressure.
C. Dobutamine (Dobutrex) in (option C) is incorrect because: Dobutamine is an inotropic medication used to increase cardiac output. While it can be helpful in certain types of shock, such as cardiogenic shock, it is not the first-line choice for septic shock when there is inadequate blood pressure response.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is C
Explanation
Heart rate: 72 beats per minute Stroke volume: 90 mL/contraction
Cardiac output = Heart rate × Stroke volume
Cardiac output = 72 beats/minute × 90 mL/contraction
To simplify the calculation, you can convert the units:
72 beats/minute × 90 mL/contraction = (72 × 90) beats/minute × mL/contraction
Now, perform the multiplication:
72 × 90 = 6,480
Therefore, the cardiac output is 6,480 mL per minute.
The correct answer is:
C. 6,480 mL
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