A nurse is collecting data on a client who has diarrhea. Which of the following findings is a manifestation of hypokalemia?
Hypertension
Cerebral edema
Muscle weakness
Hyperactive bowel sounds
The Correct Answer is C
The correct answer is c. Muscle weakness.
Choice A: Hypertension
Reason: Hypertension, or high blood pressure, is not a typical manifestation of hypokalemia. Hypokalemia primarily affects muscle function and the nervous system. While potassium imbalances can influence blood pressure, hypertension is more commonly associated with hyperkalemia (high potassium levels) rather than hypokalemia.
Choice B: Cerebral Edema
Reason: Cerebral edema, which is swelling of the brain, is not a known manifestation of hypokalemia. Hypokalemia affects muscle and nerve function, but it does not directly cause cerebral edema. This condition is more related to severe head injuries, infections, or other medical conditions.
Choice C: Muscle Weakness
Reason: Muscle weakness is a common and significant manifestation of hypokalemia. Potassium is crucial for muscle function, and low levels can lead to muscle weakness, cramps, and even paralysis in severe cases. This is because potassium helps in the transmission of nerve signals to muscles, and a deficiency disrupts this process.
Choice D: Hyperactive Bowel Sounds
Reason: Hyperactive bowel sounds are not typically associated with hypokalemia. In fact, hypokalemia can lead to decreased bowel motility, resulting in symptoms like constipation or ileus (a condition where the intestines do not move properly). This is due to the role of potassium in muscle contractions, including those in the digestive tract.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The correct answer is B. Decreased deep tendon reflexes. Hyperkalemia can lead to muscle weakness and decreased reflexes, which is a common manifestation in patients with chronic kidney disease.
Choice A reason:
Wheezing is typically associated with respiratory conditions such as asthma or chronic obstructive pulmonary disease (COPD), not hyperkalemia. Hyperkalemia affects the muscular function and cardiac conduction rather than causing respiratory symptoms.
Choice B reason:
Decreased deep tendon reflexes occur due to the effect of hyperkalemia on the neuromuscular junction and muscle excitability. In hyperkalemia, the resting membrane potential of muscle cells is less negative, which makes them less responsive to stimuli.
Choice C reason:
Hypoactive bowel sounds are generally associated with gastrointestinal issues and are not a direct manifestation of hyperkalemia. While severe hyperkalemia can affect smooth muscle function, it is not typically characterized by changes in bowel sounds.
Choice D reason:
Cerebral edema is not a manifestation of hyperkalemia. It is usually caused by traumatic brain injury, infections, or other neurological conditions. Hyperkalemia primarily affects muscular function and cardiac conduction.
Normal serum potassium levels range from about 3.5 to 5.0 mmol/L. Hyperkalemia is defined as serum potassium levels above 5.0 mmol/L.
Correct Answer is B
Explanation
Choice A reason: Collecting urine from the catheter's port is not a correct action for the nurse to take, as it can introduce contamination and infection into the urinary tract. The nurse should insert a new, sterile catheter into the bladder and collect the urine directly from the catheter.
Choice B reason: Using a sterile specimen container is a correct action for the nurse to take, as it ensures that the urine sample is not contaminated by any bacteria or other substances. The nurse should label the container with the client's name, date, and time of collection and send it to the laboratory as soon as possible.
Choice C reason: Using sterile water to inflate the balloon is not a relevant action for the nurse to take, as it applies to an indwelling catheter, not a straight catheter. A straight catheter does not have a balloon and is removed after the urine is drained.
Choice D reason: Instructing the client to clean from front to back with an antiseptic solution is a good action for the nurse to take, as it helps to prevent the introduction of bacteria from the anal area into the urethra. However, it is not the best answer, as it is a general hygiene measure, not a specific action for obtaining a urine specimen.
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