A nurse is preparing a client for an electroencephalogram (EEG). When the client asks what the purpose of the procedure is, what is the nurse's best response?
"The procedure can help determine whether your stroke was caused by a clot or by bleeding
The procedure can help identify which part of the brain seizure activity is coming from.
"The procedure helps evaluate nerve function to your extremities
The procedure shows images of your heart’s electrical activity.'
The Correct Answer is B
A) "The procedure can help determine whether your stroke was caused by a clot or by bleeding": This statement is incorrect. An electroencephalogram (EEG) is a diagnostic test used to evaluate the electrical activity of the brain, not to assess stroke-related causes. To determine whether a stroke was caused by a clot or bleeding, imaging studies like a CT scan or MRI are typically used, not an EEG.
B) "The procedure can help identify which part of the brain seizure activity is coming from": This is the correct response. An EEG records electrical activity in the brain and is primarily used to diagnose and monitor conditions such as seizures, epilepsy, and sleep disorders. It can help pinpoint the area of the brain where abnormal electrical activity, such as that seen in seizures, is originating. This makes it an invaluable tool for understanding seizure disorders.
C) "The procedure helps evaluate nerve function to your extremities": This statement is inaccurate. An EEG does not assess nerve function to the extremities. Tests like nerve conduction studies or electromyography (EMG) are used to evaluate peripheral nerve function, whereas an EEG specifically measures electrical activity in the brain.
D) "The procedure shows images of your heart’s electrical activity": This statement is incorrect. An EEG measures brain electrical activity, not the heart's. To assess the heart's electrical activity, an electrocardiogram (ECG or EKG) is used. Therefore, an EEG and an ECG serve very different purposes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D"]
Explanation
The correct answers are:
A. You may start taking warfarin while still on heparin when you are getting ready to be discharged home.
- Warfarin takes several days to reach therapeutic levels, so patients often overlap with heparin until the INR (International Normalized Ratio) reaches the target range (typically 2.0-3.0 for most conditions).
C. Use a soft-bristled toothbrush and avoid brushing too aggressively.
- Warfarin increases the risk of bleeding, so using a soft toothbrush helps prevent gum bleeding.
D. You should replace straight razors with an electric shaver to avoid cuts.
- Since warfarin thins the blood, small cuts can lead to excessive bleeding. An electric shaver reduces the risk of accidental cuts.
B. You will need to have your aPTT monitored frequently while on Warfarin. (Incorrect)
- Warfarin is monitored using INR and PT (Prothrombin Time), not aPTT.
- aPTT (Activated Partial Thromboplastin Time) is used to monitor heparin therapy, not warfarin.
E. Increase foods high in vitamin K like dark green leafy vegetables while taking Warfarin. (Incorrect)
- Vitamin K counteracts warfarin's effects, so patients should keep their vitamin K intake consistent rather than increasing it.
Correct Answer is ["8"]
Explanation
Given:
Total volume to infuse: 150 mL
Infusion time: 3 hours
Drop factor of tubing: 10 gtt/mL
To find:
Drip rate (gtt/min)
Step 1: Convert infusion time to minutes
3 hours x 60 minutes/hour = 180 minutes
Step 2: Calculate the total number of drops
Total drops = Total volume x Drop factor
Total drops = 150 mL x 10 gtt/mL = 1500 gtt
Step 3: Calculate the drip rate
Drip rate = Total drops / Infusion time in minutes
Drip rate = 1500 gtt / 180 minutes = 8.33 gtt/min
Step 4: Round to the nearest whole number
Since the question asks for the drip rate rounded to the nearest whole number, we round 8.33 to 8 gtt/min.
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