A patient is admitted to the emergency department (ED) for shock of unknown etiology. The first action by the nurse should be to

obtain the blood pressure.

Check the level of consciousness.

administer oxygen.

obtain a 12-lead electrocardiogram (ECG).

Answer and Explanation

The Correct Answer is B

Assessing the patient's level of consciousness is a critical initial step in evaluating a patient with shock. Altered mental status or decreased level of consciousness can be indicative of inadequate cerebral perfusion and may require immediate interventions to address compromised brain function and ensure patient safety.
While all the options mentioned are important in the assessment and management of a patient in shock, checking the level of consciousness takes priority as it provides essential information about the patient's neurological status and helps guide further interventions.
A. Obtaining the blood pressure in (option A) is incorrect because Assessing blood pressure is crucial in evaluating a patient in shock, but it can be done in conjunction with checking the level of consciousness and other vital signs.
C. Administering oxygen in (option C) is incorrect because: Administering oxygen is important in managing shock, as tissue hypoxia is a key concern. However, it can be done simultaneously with assessing the level of consciousness and initiating other interventions.
D. Obtaining a 12-lead electrocardiogram (ECG) in (option D) is incorrect because While an ECG may provide valuable information about the patient's cardiac function, it is not the first priority in a patient with shock of unknown etiology. Assessing the level of consciousness and vital signs takes precedence.

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Correct Answer is D

Explanation

In the compensatory stage of shock, the body initiates various mechanisms to maintain perfusion to vital organs and restore homeostasis. Activation of the renin-angiotensin system is one of the compensatory responses. The decreased blood flow and oxygen delivery to the kidneys stimulate the release of renin from the kidneys. Renin acts on angiotensinogen, converting it into angiotensin I, which is further converted to angiotensin II by the action of angiotensin-converting enzyme (ACE). Angiotensin II is a potent vasoconstrictor and also stimulates the release of aldosterone, leading to sodium and water retention. These mechanisms aim to increase blood pressure and cardiac output and restore fluid balance.
A. The initial stage of shock in (option A) is incorrect because it is characterized by inadequate tissue perfusion and the activation of various compensatory mechanisms, including the release of stress hormones. However, the renin-angiotensin system is not specifically mentioned as activated in this stage.
B. The progressive stage of shock in (option B) is incorrect because it occurs when compensatory mechanisms fail to maintain adequate perfusion, leading to worsening hypoperfusion and organ dysfunction. The renin-angiotensin system continues to be activated during this stage, but it is primarily associated with the compensatory stage.
C. The refractory stage of shock in (option C) is incorrect because it is the stage of severe and prolonged hypoperfusion, where organ failure becomes irreversible. The renin-angiotensin system may still be activated, but it is not the primary focus of this stage.
Therefore, the activation of the renin-angiotensin system occurs during the compensatory stage of shock.

A. Red blood cells B. Clotting factors C. Platelets D. White blood cells

Correct Answer is B

Explanation

Fresh frozen plasma (FFP) is a blood product that contains various clotting factors, including factors II, V, VII, VIII, IX, X, XI, and XIII. These clotting factors are essential for the normal coagulation process. In patients with shock, coagulation abnormalities can occur, and administration of FFP can help replenish the deficient clotting factors and restore proper coagulation function.
The other options mentioned are not the primary components replaced by fresh frozen plasma:
A. Red blood cells are in (option A) is incorrect because Red blood cells carry oxygen and are typically replaced by packed red blood cell transfusions in cases of significant blood loss or anemia. Fresh frozen plasma does not contain a significant amount of red blood cells.
C. Platelets in (option C) is incorrect because: Platelets play a role in blood clotting and are typically replaced by platelet transfusions in cases of thrombocytopenia or platelet dysfunction. Fresh frozen plasma may contain a small number of platelets but is not the primary source for platelet replacement.
D. White blood cells in (option D) is incorrect because White blood cells are part of the immune system and are not typically replaced using fresh frozen plasma. Fresh frozen plasma does not contain a significant amount of white blood cells.
Therefore, fresh frozen plasma is primarily administered to patients in shock to replace clotting factors and help restore proper coagulation function.

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A patient is admitted to the emergency department (ED) for shock of unknown etiology. The first action by the nurse should be to

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Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is B

Explanation

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