A nurse is collecting data on a client who has chronic kidney disease. Which of the following findings is a manifestation of hyperkalemia?
Wheezing
Decreased deep tendon reflexes
Hypoactive bowel sounds
Cerebral edema
The Correct Answer is B
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Encourages oral fluid intake during waking hours is not an action that the nurse should intervene. Encouraging oral fluid intake during waking hours is a part of a bladder-training program, as it helps to maintain adequate hydration and prevent urinary tract infections. The nurse should instruct the AP to limit the client's fluid intake before bedtime, as it may cause nocturia and disrupt the bladder-training schedule.
Choice B reason: Assists the client to the bathroom every 2 hr is not an action that the nurse should intervene. Assisting the client to the bathroom every 2 hr is a part of a bladder-training program, as it helps to establish a regular pattern of voiding and reduce the risk of incontinence. The nurse should instruct the AP to gradually increase the interval between bathroom visits, as the client's bladder capacity and control improve.
Choice C reason: Offers the opportunity to urinate 15 min prior to bathing is not an action that the nurse should intervene. Offering the opportunity to urinate 15 min prior to bathing is a part of a bladder-training program, as it helps to prevent the stimulation of the micturition reflex by warm water and reduce the risk of accidental voiding. The nurse should instruct the AP to avoid giving the client diuretics, caffeine, or alcohol, as they may increase the urine output and frequency.
Choice D reason: Instructs the client to urinate whenever the urge occurs is an action that the nurse should intervene. Instructing the client to urinate whenever the urge occurs is not a part of a bladder-training program, as it does not help to improve the bladder function and may worsen the urge incontinence. The nurse should instruct the AP to teach the client some techniques to suppress the urge, such as pelvic floor exercises, deep breathing, or distraction.
Correct Answer is A
Explanation
Choice A reason: Metabolic alkalosis is a condition in which the blood pH is elevated due to an excess of bicarbonate or a loss of acid. It can be caused by nausea and vomiting, as they result in the loss of gastric acid and the retention of bicarbonate.
Choice B reason: Respiratory acidosis is a condition in which the blood pH is lowered due to an accumulation of carbon dioxide. It can be caused by hypoventilation, airway obstruction, or lung diseases. It is not related to nausea and vomiting.
Choice C reason: Metabolic acidosis is a condition in which the blood pH is lowered due to an excess of acid or a loss of bicarbonate. It can be caused by diabetic ketoacidosis, renal failure, or lactic acidosis. It is not caused by nausea and vomiting.
Choice D reason: Respiratory alkalosis is a condition in which the blood pH is elevated due to a loss
carbon dioxide. It can be caused by hyperventilation, anxiety, fever, or aspirin overdose. It is not common in clients who have nausea and vomiting.
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