A nurse is reviewing oxygen therapy with a group of new graduates. Which of the following statements indicate a correct understanding of oxygen therapy?
(Select All that Apply.)

A Venturi mask allows for precise oxygen concentration delivery.

Oxygen should be humidified when delivered at flow rates higher than 4 liters per minute.

Oxygen toxicity can occur when high concentrations of oxygen are administered for extended periods.

Nasal cannulas can deliver oxygen concentrations up to 90%.

Oxygen therapy is always safe regardless of the patient's condition.

A simple face mask can deliver higher oxygen concentrations than a non-rebreather mask.

Answer and Explanation

Correct Answer : A,B,C

A.   A Venturi mask is an accurate way to deliver a specific concentration of oxygen, allowing for precise control.
B.   Humidifying oxygen is recommended at flow rates higher than 4 liters per minute to prevent drying of the mucous membranes.
C.   Oxygen toxicity can occur if high concentrations of oxygen are administered for prolonged periods, leading to potential lung damage.
D.   Nasal cannulas typically provide a lower oxygen concentration than higher-flow devices, like a Venturi mask or non-rebreather mask.
E.   Oxygen therapy is not always entirely safe regardless of the patient's condition; certain conditions require careful monitoring to prevent complications.

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Correct Answer is D

Explanation

A. Documenting the seizure activity is important but should be done after addressing immediate needs.
B. Checking the patient's vital signs is important but is secondary to positioning the patient safely to prevent aspiration.
C. Administering oral antiepileptic medication is necessary but not the first action following a tonic- clonic seizure.
D. Placing the patient in a side-lying position immediately after the seizure ensures that the airway remains open and reduces the risk of aspiration.

A. MRI of the wrist B. Electromyography (EMG) and nerve conduction studies C. Ultrasound of the wrist D. X-ray of the wrist

Correct Answer is B

Explanation

A. MRI of the wrist can help rule out other conditions, but it is not the most specific test for diagnosing carpal tunnel syndrome.
B. Electromyography (EMG) and nerve conduction studies are the gold standard for diagnosing carpal tunnel syndrome. These tests measure the electrical activity of the muscles and the speed of nerve impulses to confirm nerve compression.

C. Ultrasound of the wrist may be helpful in visualizing the median nerve but is not as definitive as EMG and nerve conduction studies.
D. X-ray of the wrist would not be useful in diagnosing carpal tunnel syndrome as it does not show soft tissue or nerve involvement.

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A nurse is reviewing oxygen therapy with a group of new graduates. Which of the following statements indicate a correct understanding of oxygen therapy? (Select All that Apply.)

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a patient who has just experienced a tonic-clonic seizure. Which of the following actions should the nurse perform first after ensuring the patient's safety?

Correct Answer is D

Explanation

A 38-year-old construction worker reports hand weakness and difficulty gripping tools. Examination reveals atrophy of the thenar eminence and decreased sensation in the thumb, index, and middle fingers. What diagnostic test would most likely confirm the diagnosis of carpal tunnel syndrome?

Correct Answer is B

Explanation

A 55-year-old patient with rheumatoid arthritis is being evaluated for disease progression. Which of the following laboratory findings is most indicative of increased disease activity?

A 25-year-old patient with a history of epilepsy is brought to the emergency department after experiencing a generalized tonic-clonic seizure. Which of the following is the most appropriate initial action by the nurse?

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A nurse is caring for a client who has metabolic alkalosis. Which of the following actions should the nurse take?

A nurse is assessing a client who has multiple sclerosis. Which of the following assessment findings should the nurse anticipate? (Select All that Apply.)

A nurse is reviewing oxygen therapy with a group of new graduates. Which of the following statements indicate a correct understanding of oxygen therapy? (Select All that Apply.)

A nurse is reviewing oxygen therapy with a group of new graduates. Which of the following statements indicate a correct understanding of oxygen therapy?
(Select All that Apply.)