Exhibits here
The nurse places the client on a cardiorespiratory monitor and places the nasal cannula on the client. The nurse then completes an assessment and documents it in the chart.
For each body system, click to specify the assessment findings that indicates hypoxia.
The Correct Answer is []
Cardiovascular
- Capillary refill 4 seconds
- A prolonged capillary refill time indicates poor peripheral perfusion, which can be a sign of hypoxia. Hypoxia can lead to reduced oxygen delivery to the tissues, resulting in delayed capillary refill.
Respiratory
- Oxygen saturation 90% on room air
- An oxygen saturation level of 90% is below the normal range (95-100%) and indicates that the blood is not adequately oxygenated, which is a direct sign of hypoxia.
- Respiratory rate 28 breaths/minute
- An elevated respiratory rate (tachypnea) is a common compensatory mechanism in response to hypoxia. The body attempts to increase oxygen intake and carbon dioxide expulsion by breathing more rapidly.
Neurological
- Anxious
- Anxiety can be a symptom of hypoxia. When the brain and other vital organs do not receive enough oxygen, it can trigger a sense of anxiety and restlessness as part of the body's alarm system.
- Restless
- Restlessness is another common symptom of hypoxia. It occurs because the body is trying to compensate for the lack of oxygen, leading to increased agitation and an inability to remain
calm.
Rationales for the Incorrect Choices:
- Cardiovascular
- Heart rate 101 beats/minute: While an elevated heart rate can be a compensatory response to hypoxia, it alone does not directly indicate hypoxia.
- Blood pressure 145/89 mm Hg: Elevated blood pressure is not a direct indicator of hypoxia and can be influenced by various factors including anxiety and pain.
- Respiratory
- Productive cough: A productive cough suggests respiratory infection or inflammation but does not directly measure oxygenation status or indicate hypoxia.
- Neurological
- Awake and alert: Being awake and alert indicates normal mental status and does not suggest hypoxia. Hypoxia typically affects cognitive function, leading to confusion or decreased level of consciousness in more severe cases.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Measure and record the client's urinary output every day.
While monitoring urinary output is important, it is not as directly related to the safety concerns associated with the new medications and the client's current state.
B. Obtain a blood pressure reading before the client gets out of bed.
This is the correct answer because both antidepressants and sedatives can cause orthostatic hypotension, which could lead to falls or other complications. Monitoring blood pressure before the client gets up helps to prevent these issues.
C. Obtain the client's vital signs every 4 hours when awake.
Regular vital sign monitoring is important, but specific attention to orthostatic changes is more critical in this scenario.
D. Provide the client with teaching regarding a cardiac diet.
While dietary education is important for long-term health management, it does not address the immediate risk associated with the prescribed medications and potential orthostatic hypotension.
Correct Answer is C
Explanation
A. Right ear hearing loss. While significant, right ear hearing loss is not immediately life- threatening.
B. Difficulty with balance. Balance issues may be concerning but are not typically indicative of a life-threatening condition.
C. Intensifying headache. An intensifying headache can be a sign of increased intracranial pressure, which is a medical emergency and requires immediate attention.
D. Facial numbness. Facial numbness can indicate nerve involvement but is not as immediately concerning as an intensifying headache, which could indicate a serious neurological issue such as bleeding or swelling in the brain.
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