A client was the driver of a compact automobile that had an impact on the driver's side; he wasn't wearing a seat belt at the time of the crash. He sustained severe abdominal injuries, bilateral fractured femurs, and a 4-cm laceration to the right arm. On arrival to the emergency department, the client was pale, diaphoretic, and talking incoherently. Vital signs on arrival were blood pressure, 50/40 mm Hg; heart rate, 130 beats/minute; respiratory rate, 36 breaths/minutes; and tympanic temperature, 98.2°F (36.8° C). This client has which type of shock?
Cardiogenic
Septic
Hypovolemic
Neurogenic
The Correct Answer is C
Rationale:
A. Cardiogenic shock results from heart pump failure, such as myocardial infarction or severe cardiomyopathy, leading to decreased cardiac output. This client’s history of trauma and massive blood loss makes cardiogenic shock unlikely.
B. Septic shock arises from severe infection leading to vasodilation and hypotension. This client shows no evidence of infection; the shock is acute and trauma-related.
C. Hypovolemic shock is the most likely type in this scenario. The client has severe abdominal injuries, bilateral femur fractures, and lacerations, all of which can result in massive blood loss. Clinical signs include pale, diaphoretic skin, hypotension (BP 50/40 mm Hg), tachycardia (HR 130), tachypnea (RR 36), and altered mental status (talking incoherently), reflecting inadequate perfusion and oxygen delivery to tissues. Hypovolemic shock occurs when circulating blood volume is insufficient to maintain cardiac output and tissue perfusion.
D. Neurogenic shock occurs with spinal cord injury, leading to hypotension with bradycardia and warm, dry skin due to loss of sympathetic tone. This client has tachycardia and cool, pale skin, which does not match neurogenic shock.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. This choice is inaccurate, check rationale for choice B
B. Given:
- Weight = 194 lb
- Burn = 38% of body
- Formula = 4 mL × weight (kg) × % burned
Step 1: Convert weight to kg
194 ÷ 2.2 = 88 kg
Step 2: Multiply by 4
88 × 4 = 352
Step 3: Multiply by % burned
352 × 38 = 13,376 mL
Answer: 13,376 mL for the first 24 hours
C. This choice is inaccurate, check rationale for choice B
D. This choice is inaccurate, check rationale for choice B
Correct Answer is A
Explanation
Rationale:
A. Hypothermia is correct because rapid infusion of large volumes of crystalloid fluids—especially if the fluids are at room temperature or refrigerated—can lower the patient’s core body temperature. This is particularly important in patients in shock because hypothermia can exacerbate coagulopathy, impair oxygen delivery, and increase the risk of arrhythmias, all of which can worsen outcomes. In addition, critically ill patients are often already at risk for hypothermia due to exposure during resuscitation, impaired thermoregulation, or blood loss. Nursing interventions include monitoring temperature closely, using fluid warmers, applying warming blankets, and assessing for shivering.
B. Bradycardia is incorrect because fluid resuscitation for hypovolemic shock typically increases preload and cardiac output, leading to tachycardia as a compensatory mechanism. Bradycardia is not a common or expected effect of large-volume crystalloid infusion in this context, and if present, it may indicate another problem such as cardiac conduction abnormalities or medication effects.
C. Coffee ground emesis is incorrect because this indicates upper gastrointestinal bleeding, which is not a direct consequence of crystalloid fluid administration. While stress-related mucosal disease can occur in critically ill patients, coffee ground emesis is not an expected sign to monitor specifically due to fluid resuscitation.
D. Pain is incorrect because although a patient may experience discomfort at the IV site or from underlying injuries, pain is not a specific or anticipated effect of large-volume crystalloid infusion. Monitoring for pain is always appropriate, but it is not the priority sign related to this intervention.
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