ATI Nutrition Practice Test A 2019 Related

Review ATI Nutrition Practice Test A 2019 related questions and content

Which of the following is reflected in an ECG due to hypokalemia?

  • A. Tall T waves and Pathologic Q wave
  • B. Widening QRS Complex and U wave
  • C. None of the above
  • D. Both A and B
Correct Answer: B

Rationale: Hypokalemia, a condition characterized by low levels of potassium in the blood, is reflected in an ECG by a widening QRS Complex and a U wave. This is because potassium plays a key role in the electrical activity of the heart, and its deficiency can lead to abnormalities in the heart's rhythm as represented by these specific changes on the ECG. Choice A is incorrect as tall T waves and pathologic Q waves are more commonly associated with hyperkalemia or myocardial infarction, respectively, rather than hypokalemia. Choices C and D are also incorrect as they do not accurately reflect the ECG changes caused by hypokalemia.