What part of the ECG would you look for atrial depolarization?

Pwave.

Twave.

QRS complex.

ST Segment.

Answer and Explanation

The Correct Answer is A

Choice A rationale:
The P wave on an ECG represents atrial depolarization, which is when the atria contract.
Choice B rationale:
The T wave represents ventricular repolarization, which is when the ventricles relax.
Choice C rationale:
The QRS complex represents ventricular depolarization, which is when the ventricles contract.
Choice D rationale:
The ST segment represents the period when the ventricles are depolarized.

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Correct Answer is A

Explanation

The correct answer is choicea. Asian ginseng.

Choice A rationale:

Asian ginseng is known to enhance the effect of anticoagulants like Coumadin (warfarin).It can increase the risk of bleeding by potentiating the anticoagulant effect.

Choice B rationale:

Cayenne contains salicylates, which have blood-thinning properties, but it is not as well-documented for enhancing the effect of anticoagulants as Asian ginseng.

Choice C rationale:

Aloe vera is not known to significantly affect anticoagulant medications.It is primarily used for its soothing and healing properties on the skin.

Choice D rationale:

Kava is primarily used for its sedative and anxiolytic effects.It does not have a significant impact on anticoagulant medications.

A. Phenytoin 100 mg PO every 8 hr. B. Lisinopril 20 mg PO every 12 hr. C. Hold for systolic BP less than 110 mm Hg. D. Morphine 2.5 mg IV bolus PRN for incisional pain. E. Regular insulin 7 units subcutaneous 30 min before breakfast and dinner.

Correct Answer is C

Explanation

Choice A rationale:
Phenytoin 100 mg PO every 8 hr is a standard prescription for controlling seizures.
Choice B rationale:
Lisinopril 20 mg PO every 12 hr is a typical dose for treating high blood pressure.
Choice C rationale:
“Hold for systolic BP less than 110 mm Hg” is unclear because it does not specify which medication to hold.
Choice D rationale:
Morphine 2.5 mg IV bolus PRN for incisional pain is a standard prescription for pain control after surgery.
Choice E rationale:
Regular insulin 7 units subcutaneous 30 min before breakfast and dinner is a common prescription for managing blood glucose levels in diabetes patients.

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What part of the ECG would you look for atrial depolarization?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

During a follow-up visit with a patient recently started on Coumadin, the home health nurse is concerned after seeing an herbal remedy that enhances the effect of anticoagulants by the patient's bedside. What is this herbal remedy?

Correct Answer is A

Explanation

A nurse is reviewing a client's prescriptions. The nurse should contact the provider to clarify which of the following prescriptions?

Correct Answer is C

Explanation

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