What part of the ECG would you look for atrial depolarization?
Pwave.
Twave.
QRS complex.
ST Segment.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Yoga involves gentle stretching and may not directly impact the phlebitis.
Choice B rationale:
Therapeutic massage could potentially dislodge a clot in the leg, leading to a dangerous condition called a pulmonary embolism.
Choice C rationale:
Acupressure, like yoga, involves gentle pressure and may not directly impact the phlebitis.
Choice D rationale:
Acupuncture involves the insertion of needles and could potentially cause harm, but it is less likely to dislodge a clot than massage.
Correct Answer is A
Explanation
Choice A rationale:
Milk contains lactose, a sugar that can’t be properly digested by those with lactose intolerance, leading to symptoms like nausea, bloating, flatulence, and diarrhea.
Choice B rationale:
Soybeans do not contain lactose and are often used as a dairy substitute for those with lactose intolerance.
Choice C rationale:
High fiber foods do not contain lactose and can actually help regulate the digestive system, though they may cause bloating and gas in some people.
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