The ICU nurse provides care for a 67-year-old female patient experiencing a distributive shock. Assessment findings are indicative of decreasing cardiac output, decreased peripheral perfusion, and increased capillary permeability. The nurse identifies that the patient is in which stage of shock.

Progressive stage

Compensatory stage

Initial stage

Refractory stage

Answer and Explanation

The Correct Answer is A

The stages of shock are commonly described as the initial, compensatory, progressive, and refractory stages. Here is an explanation of each stage and why the patient's assessment findings correspond to the progressive stage:
B. The compensatory stage in (option B) is incorrect because, In the compensatory stage, the body continues to activate compensatory mechanisms to maintain perfusion. This includes increased heart rate, peripheral vasoconstriction, and shunting of blood to vital organs. The patient's assessment findings of decreasing cardiac output, decreased peripheral perfusion, and increased capillary permeability suggest that the body's compensatory mechanisms are no longer sufficient to maintain perfusion adequately. Therefore, the patient has progressed beyond the compensatory stage.
C. The initial stage in (option C) is incorrect because, In the initial stage, there is an initial insult or injury that triggers the shock state. The body's compensatory mechanisms are activated, such as increased heart rate and vasoconstriction, to maintain blood pressure and perfusion. However, the patient's assessment findings indicate that they have progressed beyond the initial stage.
D. The refractory stage in (option D) is incorrect because The refractory stage represents a severe and irreversible state of shock where vital organs fail, and despite interventions, the patient's condition does not improve. The patient's assessment findings do not suggest the refractory stage, as there is still potential for intervention and management.

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Correct Answer is C

Explanation

Hypovolemic shock is a life-threatening condition resulting from severe blood or fluid loss. The patient in this scenario exhibits signs of hypovolemic shock, such as low blood pressure, tachycardia, cool and clammy skin, and decreased urine output.
When assessing the prescription options, the nurse should consider the appropriateness of each intervention for hypovolemic shock. Plasmanate is a type of plasma protein fraction that is used for volume expansion in certain situations. However, in hypovolemic shock, the primary intervention is to restore intravascular volume promptly. Plasmanate alone may not be sufficient for rapid-volume resuscitation.
In hypovolemic shock, the initial management typically involves the administration of crystalloid solutions, such as Lactated Ringers or Normal Saline, to restore intravascular volume. Therefore, the prescription of Plasmanate as the primary intervention raises concerns and should be questioned by the nurse.
A. Dopamine (Intropin) 12 mcg/min in (option A) is incorrect because: Dopamine is a vasopressor medication used to increase blood pressure and cardiac output. It is a suitable option for hypovolemic shock to support blood pressure and tissue perfusion.
B. Dobutamine (Dobutrex) 5 mcg/kg/min in (option B) is incorrect because: Dobutamine is an inotropic medication that helps improve cardiac contractility and cardiac output. It can be beneficial in cases of hypovolemic shock with signs of poor cardiac function.
D. Bumetanide (Bumex) 1 mg IV in (option D) is incorrect because: Bumetanide is a loop diuretic used to promote diuresis. However, in the context of hypovolemic shock, diuretics are generally not the first-line treatment as they can further reduce intravascular volume and worsen the patient's condition.
It is essential for the nurse to consult with the healthcare provider regarding the prescription order of Plasmanate and consider alternative interventions for rapid volume resuscitation in hypovolemic shock.

A. 18 Ml B. 5480 Ml C. 6,480 mL D. 4234 mL

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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The ICU nurse provides care for a 67-year-old female patient experiencing a distributive shock. Assessment findings are indicative of decreasing cardiac output, decreased peripheral perfusion, and increased capillary permeability. The nurse identifies that the patient is in which stage of shock.

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Naxlex Comprehensive Predictor Exams

Correct Answer is C

Explanation

What is the cardiac output of a patient whose heart rate is 72 beats per minute with a stroke volume of 90 mL/contraction?

Correct Answer is C

Explanation

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