A nurse in the emergency department is assessing a client who has internal injuries from a car crash. The client is disoriented to time and place, diaphoretic, and his lips are cyanotic. The nurse should anticipate which of the following findings as an indication of hypovolemic shock?
Widening pulse pressure
Increased heart rate
Increased deep tendon reflexes
Pulse oximetry 96%
The Correct Answer is B
Choice A Reason: This is incorrect. Widening pulse pressure is not a sign of hypovolemic shock, but rather of increased intracranial pressure or aortic regurgitation. Hypovolemic shock causes narrowing pulse pressure due to decreased stroke volume and increased peripheral resistance.
Choice B Reason: This is correct. Increased heart rate is a sign of hypovolemic shock, as the body tries to compensate for the decreased blood volume and cardiac output by increasing the heart rate and contractility.
Choice C Reason: This is incorrect. Increased deep tendon reflexes are not a sign of hypovolemic shock, but rather of hyperreflexia or tetany. Hypovolemic shock causes decreased deep tendon reflexes due to reduced perfusion and oxygenation of the muscles and nerves.
Choice D Reason: This is incorrect. Pulse oximetry 96% is not a sign of hypovolemic shock, but rather of normal oxygen saturation. Hypovolemic shock causes decreased pulse oximetry due to hypoxia and impaired gas exchange.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A Reason: This is incorrect because the client's best motor response is 5, which means he can localize pain, not follow commands.
Choice B Reason: This is incorrect because the client's eye opening response is 3, which means he opens his eyes to pain, not to speech.
Choice C Reason: This is correct because the client's GCS score is 13, which indicates a severe impairment of consciousness. The GCS is a tool used to assess the level of consciousness of a person who has a head injury. The GCS score ranges from 3 to 15, with lower scores indicating lower levels of consciousness. A GCS score of 8 or less indicates coma. The client's GCS score is 3 + 5 + 5 = 13, which is above the coma threshold, but still indicates a severe impairment of consciousness. The other choices are not consistent with the client's GCS score.
Choice D Reason: This is incorrect because the client's best verbal response is 5, which means he can orient himself to person, place, and time, not that he is unable to make vocal sounds.
Correct Answer is A
Explanation
The correct answer is: a. Place a black tag on the client’s upper body and attempt to help the next client in need.
Choice A: Place a black tag on the client’s upper body and attempt to help the next client in need.
In mass casualty incidents, the START (Simple Triage and Rapid Treatment) triage system is often used. According to this system, if a patient is apneic (not breathing) and does not resume breathing after repositioning the airway, they are considered deceased or non-salvageable and should be tagged with a black tag. This allows the nurse to focus on other victims who have a higher chance of survival.
Choice B: Start CPR
While starting CPR might seem appropriate in a normal setting, during a mass casualty incident, resources and time are limited. The priority is to save as many lives as possible. Performing CPR on an apneic patient with a weak pulse would take significant time and resources that could be used to help other victims with a higher chance of survival.
Choice C: Place a red tag on the client’s upper body and obtain immediate help from other personnel.
A red tag is used for patients who need immediate care and have a high chance of survival if treated promptly. Since the client remains apneic even after repositioning the airway, they do not meet the criteria for a red tag.
Choice D: Reposition the client’s upper airway a second time before assessing his respirations.
Repositioning the airway a second time is not recommended in the START triage system. If the patient does not resume breathing after the initial repositioning, they are considered non-salvageable.
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