A 22-year-old dialysis patient presents to the ER with chest pain and palpitations. Laboratory tests reveal a Potassium (K+) level of 7.0 mEq/L. Which electrolyte imbalance is the patient suffering from?
Hypercalcemia
Hyperkalemia
Hypokalemia
Hyponatremia
The Correct Answer is B
B. It occurs when there is an abnormally high concentration of potassium in the bloodstream, typically above 5.0 mEq/L. Symptoms of hyperkalemia can include chest pain, palpitations, muscle weakness, and potentially life-threatening cardiac arrhythmias.
A. Hypercalcemia refers to elevated levels of calcium in the blood, not potassium.
C. Hypokalemia is the opposite condition where there is a lower-than-normal level of potassium in the blood.
D Hyponatremia refers to a low sodium level in the blood.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
C. This method is recommended because it is less painful, as the sides of the fingertips have fewer nerve endings compared to the pads or 'balls' of the fingers.
A. Avoiding the use of the thumbs is not necessary unless they are calloused or used frequently for other tasks that could affect sensitivity.
B. Avoiding the use of the dominant hand's fingers are not necessary unless they are calloused or used frequently for other tasks that could affect sensitivity.
D. Using the ball of the finger is not recommended for blood glucose monitoring because it can be more painful and may lead to less blood flow, resulting in difficulty obtaining an adequate blood sample.
Correct Answer is B
Explanation
B. Sharps containers should be replaced when they are 3/4 full to prevent overfilling, which could increase the risk of needlesticks when trying to dispose of sharps. Ensuring sharps containers are not overfilled helps maintain a safe environment by reducing the risk of accidental puncture injuries during disposal.
A. Used razors should be disposed of in puncture-resistant sharps containers, not in regular wastebaskets. Sharps containers are specifically designed to safely contain sharp objects to prevent accidental injuries.
C. Using two hands to recap a needle is unsafe and increases the risk of accidental needlestick injuries. It's important to educate healthcare workers to avoid recapping needles whenever possible.
D. Breaking needles before disposal is unsafe and increases the risk of injury. Needles should be disposed of intact in a puncture-resistant sharps container.
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