Which of the following should appear on an EKG tracing if a patient's arm moved during recording?
Alternating current (AC) interference
Arrhythmia
Somatic tremor
Interrupted baseline
The Correct Answer is C
A. Alternating current (AC) interference: AC interference is caused by electrical equipment near the EKG machine and appears as uniform, small, rapid spikes. It is not caused by patient movement.
B. Arrhythmia: An arrhythmia refers to an abnormal heart rhythm and is related to cardiac function, not patient movement.
C. Somatic tremor: Somatic tremor is caused by voluntary or involuntary muscle movement, such as a patient moving their arm, which creates artifact on the EKG tracing that appears as irregular, erratic spikes.
D. Interrupted baseline: An interrupted baseline occurs when the electrical connection is lost, often due to a lead falling off, not due to patient movement.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Avoiding intense eye contact: Avoiding intense eye contact is generally respectful and can be appropriate depending on cultural norms.
B. Reassuring the patient by touching them: In some Muslim cultures, physical contact between individuals of the opposite gender who are not family members may be considered inappropriate.
C. Maintaining distance from the patient: Maintaining a respectful distance is generally appropriate and often preferred in various cultures.
D. Using gestures cautiously: Using gestures cautiously is respectful and avoids miscommunication.
Correct Answer is B
Explanation
A. Subcutaneous: Subcutaneous injections are administered beneath the skin but are not considered topical.
B. Transdermal: Transdermal medications are applied directly to the skin and are absorbed through it, which is a form of topical administration.
C. Intramuscular: Intramuscular injections are given into the muscle tissue, not applied topically.
D. Percutaneous: Percutaneous administration involves drugs absorbed through the skin or mucous membranes, but the term is less specific compared to "transdermal" for topical medications.
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