What is an integumentary manifestation of anaphylactic shock?
Cyanosis.
Urticaria.
Petechiae.
Ecchymosis.
The Correct Answer is B
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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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason:
In a state of shock, the body prioritizes blood flow to vital organs such as the myocardium (heart muscle) and the brain. This is because these organs are essential for survival, and their function is critical. The body's compensatory mechanisms ensure that blood is diverted to these areas to maintain their perfusion, even at the expense of less vital organs.
Choice B reason:
The pulmonary vasculature, which involves the blood vessels of the lungs, is important for gas exchange but is not specifically prioritized in the same way that the myocardium and brain are during shock. While maintaining adequate oxygenation is crucial, the body’s immediate focus is on sustaining the heart and brain.
Choice C reason:
The small and large bowel are not considered high-priority organs during shock. Blood flow to the gastrointestinal tract can be reduced to preserve perfusion to more vital organs. This reduced blood flow can result in decreased bowel activity and hypoactive bowel sounds.
Choice D reason:
While the hepatic (liver) and renal (kidneys) vasculature are important for detoxification and fluid balance, they are not prioritized over the heart and brain during shock. Reduced perfusion to these organs can lead to liver and kidney dysfunction, but the immediate priority is ensuring the survival of the heart and brain.
Correct Answer is ["A","C","D"]
Explanation
Choice A reason: Cool, moist skin. Cool, moist skin is an early sign of shock as the body redirects blood flow away from the skin to vital organs. This is part of the body's compensatory mechanisms to maintain perfusion.
Choice B reason: Increased bowel sounds. Bowel sounds typically decrease during shock due to reduced blood flow to the gastrointestinal tract. Increased bowel sounds would not be expected.
Choice C reason: Restlessness. Restlessness is an early sign of shock indicating reduced oxygen delivery to the brain. The body responds by becoming more alert and anxious, reflecting increased sympathetic nervous system activity.
Choice D reason: Increased respiratory rate. An increased respiratory rate is a compensatory mechanism to improve oxygenation and reduce carbon dioxide levels in the blood. This is common in the early stages of shock.
Choice E reason: Decreased blood glucose. Blood glucose levels are generally not an immediate indicator in the early stages of shock. The body's stress response can actually increase blood glucose levels initially.
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