The telemetry unit nurse is reviewing laboratory results for a client who is scheduled for an operative procedure later in the day. The nurse notes on the laboratory report that the client has a serum potassium level of 6.5 mEq/L (6.5 mmol/L), indicative of hyperkalemia. The nurse informs the health care provider of this laboratory result because the nurse recognizes hyperkalemia increases the client's operative risk for:
bleeding and anemia.
infection.
cardiac problems.
fluid imbalances.
The Correct Answer is C
A. Hyperkalemia does not directly cause bleeding or anemia.
B. Hyperkalemia is not associated with increased risk of infection.
C. Hyperkalemia increases the risk of cardiac problems, such as arrhythmias, which can be life-threatening, especially during surgery. Elevated potassium levels affect the electrical conduction system of the heart.
D. While potassium is involved in fluid and electrolyte balance, hyperkalemia itself is more critical for cardiac function than general fluid imbalances.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Dressings contaminated with blood are considered biohazardous waste and must be disposed of in bags marked "biohazards."
B. Disposing of blood-saturated dressings in regular trash poses a risk of infection and is unsafe.
C. Sharps containers are used only for needles and other sharp objects, not dressings.
D. The double-bag technique may be used for isolation precautions but does not replace proper disposal of biohazardous waste.
Correct Answer is B
Explanation
A. Renal insufficiency does not directly increase risk for foot problems as much as diabetes does.
B. Type 2 diabetes significantly increases the risk of foot difficulties due to potential neuropathy and poor circulation, making this client most at risk.
C. Paraplegia increases risk for skin breakdown but diabetes poses a higher risk for foot ulcers and infections.
D. Coronary artery disease affects the heart but is less directly linked to foot complications compared to diabetes.
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