A nurse is assessing a client who has oxygen toxicity. Which of the following findings should the nurse expect?
Metallic taste in mouth
Facial flushing
Muscle twitching
Periorbital edema
The Correct Answer is C
A. Metallic taste in the mouth:
This is not a typical finding of oxygen toxicity. Metallic taste may be associated with other factors but is not a specific indicator of oxygen toxicity.
B. Facial flushing:
Facial flushing is not a typical finding in oxygen toxicity. It is more commonly associated with other conditions, such as certain allergic reactions or vasodilation.
C. Muscle twitching
Muscle twitching, also known as myoclonus, is a recognized symptom of central nervous system oxygen toxicity. High concentrations of oxygen, particularly at increased pressures, can cause neurotoxic effects leading to muscle twitching, dizziness, and even convulsions.
D. Periorbital edema:
Periorbital edema is not a common manifestation of oxygen toxicity. It is more commonly associated with conditions related to fluid balance or kidney function.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Pain in the affected leg could indicate worsening of cellulitis or a potential complication like deep vein thrombosis (DVT), but there is no immediate indication of a life-threatening condition. This client should be assessed, but may not be the top priority unless other signs of complications are present.
B. A serum calcium level of 10 mg/dL is within the normal range (8.5 to 10.5 mg/dL). A headache, while concerning, is not immediately life-threatening unless there are additional symptoms suggesting something more severe.
C.Reddish brown urine suggests hematuria, a symptom of glomerulonephritis. This could indicate ongoing kidney issues, but unless there are signs of severe kidney failure or systemic infection, this might not be the most urgent case.
D. A blood glucose level of 68 mg/dL is low and can lead to hypoglycemia, which can be immediately life-threatening if it progresses to severe hypoglycemia. Symptoms of hypoglycemia include confusion, dizziness, sweating, and can escalate to seizures or unconsciousness if not promptly treated.
Correct Answer is C
Explanation
A. Reduces inflammation:
This action is more characteristic of anti-inflammatory medications, such as corticosteroids. Expectorants, however, do not primarily reduce inflammation.
B. Dries mucous membranes:
This action is more characteristic of antihistamines or decongestants, which may help reduce nasal congestion by drying mucous membranes. Expectorants have the opposite effect; they promote the thinning of mucus.
C. Stimulates secretions
An expectorant is a type of medication that works by promoting the clearance of mucus from the respiratory tract. It does so by thinning and loosening mucus, making it easier for the patient to cough up and expel. Expectorants help in facilitating the removal of excessive mucus and can be useful in conditions where there is a productive cough associated with excessive mucus production.
D. Suppresses the urge to cough:
This action is associated with antitussive medications, which are cough suppressants. Expectorants, on the other hand, stimulate the removal of mucus and do not suppress the urge to cough
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