What clinical manifestation distinguishes or separates neurogenic shock from other forms of shock?
Hypotension
Change in mental status
Bradycardia
Warm, edematous skin
The Correct Answer is C
Choice A reason:
Hypotension, or low blood pressure, is a common feature in all types of shock, including hypovolemic, cardiogenic, and septic shock. It is not specific to neurogenic shock and therefore does not help in distinguishing it from other forms of shock.
Choice B reason:
A change in mental status, such as confusion or decreased consciousness, can occur in many types of shock due to decreased cerebral perfusion. This symptom is not unique to neurogenic shock and can be seen in hypovolemic, cardiogenic, and septic shock as well.
Choice C reason:
Bradycardia, or a slow heart rate, is a hallmark of neurogenic shock. This occurs due to disruption of the sympathetic nervous system, which normally maintains a higher heart rate through sympathetic stimulation. In neurogenic shock, the loss of sympathetic tone leads to unopposed parasympathetic activity, resulting in bradycardia. This is in contrast to other forms of shock, which typically present with tachycardia.
Choice D reason:
Warm, edematous skin is not typically associated with neurogenic shock. This symptom may be more relevant in septic shock, where widespread vasodilation can lead to warm skin. However, it is not specific enough to distinguish neurogenic shock from other types of shock.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Epinephrine. Epinephrine is the first-line treatment for anaphylactic shock. It rapidly reverses severe allergic reactions by reducing swelling, increasing blood pressure, and improving breathing.
Choice B reason: Rapid infusion of normal saline. While fluid resuscitation is important in managing anaphylactic shock, it is not the initial therapy of choice. Epinephrine should be administered first to counteract the allergic reaction.
Choice C reason: Dobutamine. Dobutamine is used to support cardiac function in certain types of shock but is not the first-line treatment for anaphylactic shock.
Choice D reason: Norepinephrine. Norepinephrine is a vasopressor used to treat severe hypotension and shock but is not the initial treatment for anaphylactic shock. Epinephrine is preferred to address the allergic reaction.
Correct Answer is B
Explanation
Choice A reason: Cyanosis. Cyanosis, or a bluish tint to the skin, indicates significant hypoxemia or poor oxygenation. While it can occur in severe anaphylaxis, it is not a primary integumentary manifestation.
Choice B reason: Urticaria. Urticaria, or hives, is a common integumentary manifestation of anaphylactic shock. It appears as raised, red, itchy welts on the skin due to an allergic reaction.
Choice C reason: Petechiae. Petechiae are small, pinpoint hemorrhages under the skin and are not typically associated with anaphylactic shock. They are more related to conditions involving bleeding or clotting disorders.
Choice D reason: Ecchymosis. Ecchymosis, or bruising, is not a characteristic manifestation of anaphylactic shock. It is more related to trauma or bleeding disorders.
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