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 B
Explanation
B When drawing medication from an ampule, especially if it's a solution that may contain particulate matter or to ensure sterility, using a filter needle is recommended. A filter needle has a membrane filter that prevents particles from being drawn into the syringe while allowing the medication to pass through.
A. Shaking a glass ampule is not recommended because it can lead to the introduction of glass particles or cause the solution to foam or become contaminated. Instead, gently flicking the ampule with a finger can help move any solution that may be adhering to the neck downward, but shaking should be avoided.
C. While wearing gloves is important for infection control, sterile gloves are not typically required for withdrawing medication from a single-dose glass ampule. Standard aseptic technique and hand hygiene are usually sufficient.
D. Ampules are designed to be opened by snapping the top away from the body to avoid potential injury from glass shards. The nurse should use a gauze pad or an ampule opener to break the ampule open safely, directing any breakage away from themselves and others.
Correct Answer is C
Explanation
C. Hourly monitoring of the IV site may be necessary in situations where the patient's clinical condition requires close observation, such as when administering certain medications that can cause irritation or when rapid changes in fluid status are expected.
A. Checking the IV site every 5 hours may not be frequent enough, especially for patients who require close monitoring due to potential complications such as infiltration, phlebitis, or dislodgement of the IV catheter.
B. Correct, but it depends on the shift length. In many clinical settings, nurses typically assess the IV site once per shift to ensure proper functioning and assess for any signs of complications. However, the length of the shift can vary, and in some cases, more frequent monitoring may be necessary, especially if the patient's condition requires it.
D. Checking the IV site only once a day is generally insufficient, as it does not provide timely assessment and intervention for potential IV complications that can occur more frequently.
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