ATI RN
ATI Capstone Medical Surgical Assessment 2 Quizlet
1. What ECG change is associated with hyperkalemia?
- A. Flattened T waves
- B. ST depression
- C. Prominent U waves
- D. Elevated ST segments
Correct answer: B
Rationale: The correct ECG change associated with hyperkalemia is ST depression. Hyperkalemia typically presents with ECG changes such as peaked T waves, prolonged PR interval, widened QRS complex, and finally, ST segment depression. Flattened T waves are more commonly associated with hypokalemia. Prominent U waves are seen in hypokalemia as well. Elevated ST segments are not a typical ECG finding in hyperkalemia.
2. A client scheduled for electromyography (EMG) will have small needle electrodes inserted into the muscles. What should the nurse include in the teaching?
- A. You will receive a fixed dose of radioisotope 2 hours before the procedure.
- B. Momentary flushing will occur at the beginning of the procedure.
- C. You should inform your provider if you are claustrophobic.
- D. You should expect insertion of small needle electrodes into the muscles.
Correct answer: D
Rationale: The correct answer is D. During an electromyography (EMG) procedure, small needle electrodes are inserted into the muscles to assess muscle weakness and nerve responses. Choices A, B, and C are incorrect because radioisotope is not used in EMG, flushing is not a typical occurrence, and claustrophobia is more relevant for imaging procedures like MRI or CT scans, not EMG.
3. A patient has been diagnosed with a thrombotic stroke. What are the expected manifestations?
- A. Gradual loss of function on one side of the body
- B. Sudden loss of consciousness
- C. Seizures and confusion
- D. Loss of sensation in the affected limb
Correct answer: A
Rationale: The correct answer is A: 'Gradual loss of function on one side of the body.' Thrombotic strokes lead to slow and progressive symptoms as a result of decreased blood flow to a specific area of the brain. Choices B, C, and D are incorrect because sudden loss of consciousness, seizures, confusion, and loss of sensation in the affected limb are not typical manifestations of a thrombotic stroke.
4. What is the priority action if a patient experiences hypoglycemia after an insulin dose?
- A. Check the patient's blood glucose level
- B. Administer IV dextrose
- C. Document the incident
- D. Continue monitoring the patient
Correct answer: A
Rationale: The priority action when a patient experiences hypoglycemia after an insulin dose is to check the patient's blood glucose level. This is crucial to confirm hypoglycemia before initiating any treatment. While administering IV dextrose may be necessary if the patient's blood glucose level is critically low, confirming hypoglycemia is essential to guide appropriate interventions. Documenting the incident is important for documentation purposes but is not the immediate priority when the patient's safety is at risk. Continuing to monitor the patient is essential, but it should follow the confirmation and initial management of hypoglycemia.
5. What is the first medication to give to a patient with wheezing due to an allergic reaction?
- A. Albuterol via nebulizer
- B. Methylprednisolone 100 mg IV
- C. Cromolyn 20 mg via nebulizer
- D. Aminophylline 500 mg IV
Correct answer: A
Rationale: The correct answer is A, Albuterol via nebulizer. Albuterol is the first-line treatment for wheezing caused by an allergic reaction because it is a fast-acting bronchodilator that helps to quickly open the airways, providing immediate relief of symptoms. Choice B, Methylprednisolone 100 mg IV, is a corticosteroid used for its anti-inflammatory effects but is not the initial medication for acute wheezing in an allergic reaction. Choice C, Cromolyn 20 mg via nebulizer, is a mast cell stabilizer that can be used for prevention but is not the first choice for acute symptom relief. Choice D, Aminophylline 500 mg IV, is a bronchodilator with a narrow therapeutic window and more side effects compared to Albuterol, making it a less preferred option as the initial treatment.
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