What are the neurological signs and symptoms commonly associated with uremic syndrome in chronic kidney disease?
Altered mental status
Tremors
Hearing loss
Hypertension
The Correct Answer is A
A. Altered mental status, including confusion, lethargy, and encephalopathy, is a hallmark neurological manifestation of uremic syndrome. As nitrogenous waste products like urea and creatinine accumulate in the blood, they cross the blood-brain barrier and exert toxic effects on the central nervous system. This leads to a progressive decline in cognitive function and potential coma if left untreated.
B. While tremors can sometimes be seen in metabolic disturbances, they are not the primary or most common neurological indicator of uremic syndrome. Uremia is more characteristically associated with asterixis, a flapping tremor of the hands, or peripheral neuropathy rather than simple generalized tremors. Neurological assessment in these patients focuses more on global cognitive function and specific neuromuscular irritability.
C. Hearing loss is not a standard neurological sign associated with the accumulation of uremic toxins in chronic kidney disease. While some medications used in renal patients, like loop diuretics, can be ototoxic, the uremic syndrome itself does not target the auditory pathways. The neurological impact of uremia is typically much more global, affecting the cerebral cortex and peripheral motor nerves.
D. Hypertension is a cardiovascular and renal sign rather than a neurological symptom of uremic syndrome. While it is almost always present in chronic kidney disease due to fluid overload and the renin-angiotensin-aldosterone system, it is a clinical finding rather than a subjective neurological change. Neurological symptoms are specifically those that affect the patient's sensory, motor, or cognitive processing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Prolonged expiratory phase: Airway narrowing due to smooth muscle contraction and mucosal edema increases resistance to airflow during exhalation. Because the airways naturally narrow during expiration, the patient must exert more effort and time to push air out of the lungs. This clinical sign is a hallmark of obstructive lung diseases like asthma during an exacerbation.
B. Increased peak expiratory flow rate: This finding is scientifically incorrect as asthma causes a decrease in peak expiratory flow due to increased airway resistance. A high flow rate would indicate clear, unobstructed airways and efficient lung elastic recoil. Monitoring for a decrease in this rate is a standard method for assessing the severity of bronchoconstriction.
C. Decreased respiratory rate: Patients experiencing asthma-related bronchoconstriction and hypoxia typically exhibit tachypnea, which is an increased respiratory rate. The body attempts to compensate for impaired gas exchange and increased work of breathing by breathing faster. A decreased respiratory rate in an acute asthma attack is an ominous sign of impending respiratory failure.
D. Absence of wheezing: Wheezing is the classic adventitious lung sound produced by air whistling through narrowed small airways during an asthma attack. While a "silent chest" can occur in life-threatening obstruction, the presence of wheezing is the expected characteristic of active bronchoconstriction. The absence of wheezing usually suggests either a normal state or a critical lack of airflow.
Correct Answer is B
Explanation
A. Prescribing an antihypertensive medication treats the specific symptom of elevated blood pressure but does not address the patient's sedentary behavior. While pharmacological control is important, it does not provide the broad metabolic benefits associated with physical activity. Lifestyle changes often reduce the dose or necessity of such medications by improving vascular tone.
B. Recommending regular exercise and lifestyle modification targets multiple modifiable risk factors, including the patient's sedentary habits and hypertension. Aerobic exercise improves endothelial function, lowers systemic vascular resistance, and optimizes the lipid profile. This holistic approach is the most effective way to counteract the patient's nonmodifiable family history of coronary disease.
C. Advising routine blood glucose monitoring is a primary intervention for individuals with diagnosed diabetes or impaired glucose tolerance. Since this client is a non-diabetic, routine monitoring provides no direct benefit in reducing the progression of atherosclerosis. Energy should be focused on active risk reduction strategies rather than monitoring for a condition not present.
D. Initiating a smoking cessation program is the most critical intervention for active smokers to prevent acute coronary syndromes and chronic inflammation. However, the patient in the scenario is explicitly identified as a non-smoker. Providing resources for smoking cessation would be irrelevant to this specific patient's clinical needs and risk profile.
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