A nurse is providing care for a client who has the syndrome of inappropriate antidiuretic hormone (SIADH). Which of the following findings is consistent with a diagnosis of SIADH?
Increased serum sodium
Decreased serum osmolality
Decreased urinary sodium
Decreased urine osmolality
The Correct Answer is B
Choice A reason: Increased Serum Sodium
Increased serum sodium, or hypernatremia, is not consistent with SIADH. SIADH typically results in hyponatremia, which is a low level of sodium in the blood due to excessive water retention. The excess antidiuretic hormone (ADH) causes the kidneys to retain water, diluting the sodium in the bloodstream. Therefore, increased serum sodium is not a characteristic finding in SIADH.
Choice B reason: Decreased Serum Osmolality
Decreased serum osmolality is a hallmark of SIADH3. Serum osmolality measures the concentration of solutes in the blood. In SIADH, the excessive release of ADH leads to water retention, diluting the blood and lowering serum osmolality. This is a key diagnostic feature of SIADH and helps differentiate it from other conditions.
Choice C reason: Decreased Urinary Sodium
Decreased urinary sodium is not typically seen in SIADH. In fact, patients with SIADH usually have increased urinary sodium levels. This is because the kidneys excrete more sodium in an attempt to balance the excess water retained due to high ADH levels. Therefore, decreased urinary sodium is not consistent with SIADH.
Choice D reason: Decreased Urine Osmolality
Decreased urine osmolality is also not consistent with SIADH. In SIADH, urine osmolality is typically increased because the kidneys concentrate the urine due to the action of ADH. The high levels of ADH cause the kidneys to reabsorb water, resulting in more concentrated urine. Thus, decreased urine osmolality is not a characteristic finding in SIADH.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D"]
Explanation
Choice A reason:
Heart murmur is a common manifestation of valvular dysfunction. It occurs when there is turbulent blood flow across a damaged or abnormal heart valve. This can be due to stenosis (narrowing of the valve) or regurgitation (leakage of the valve). The murmur’s characteristics, such as timing, location, and intensity, can help in diagnosing the specific type of valvular disease. For example, a systolic murmur might indicate aortic stenosis or mitral regurgitation, while a diastolic murmur could suggest aortic regurgitation or mitral stenosis.
Choice B reason:
Chest pain is another symptom that can be associated with valvular dysfunction. This pain can result from increased workload on the heart due to inefficient blood flow through the valves. Conditions like aortic stenosis can lead to angina (chest pain) because the heart muscle may not receive enough oxygenated blood. This symptom is particularly concerning and warrants immediate medical attention to prevent complications such as myocardial infarction.
Choice C reason:
Varicose veins are not typically associated with valvular dysfunction in the heart. They are more related to issues with the veins in the legs, where the valves that prevent backflow of blood become weakened or damaged. This condition is generally referred to as chronic venous insufficiency and is not directly linked to the heart’s valvular problems.
Choice D reason:
Palpitations, or the sensation of irregular or rapid heartbeats, are common in clients with valvular dysfunction. These can occur due to arrhythmias, which are often seen in conditions like mitral valve prolapse or aortic regurgitation. The irregular heartbeats can be a result of the heart trying to compensate for the inefficient blood flow caused by the faulty valve.
Choice E reason:
Abdominal pain is not a typical manifestation of valvular dysfunction. While severe heart conditions can sometimes lead to generalized symptoms, abdominal pain is more commonly associated with gastrointestinal issues rather than heart valve problems. Therefore, it is not a primary symptom to anticipate in clients with valvular dysfunction.
Correct Answer is C
Explanation
Choice A Reason:
While monitoring the frequency of urination is important for managing diabetes insipidus, it is not the most critical aspect of discharge teaching. Diabetes insipidus causes excessive urination, and patients should be aware of this symptom. However, understanding the importance of wearing a medical alert bracelet is more crucial for ensuring immediate and appropriate care in emergencies.
Choice B Reason:
Changes in appetite are not a primary concern for patients with diabetes insipidus. The condition primarily affects fluid balance and urine output rather than appetite. Therefore, this topic is less relevant compared to the need for a medical alert bracelet.
Choice C Reason:
The benefit of a medical alert bracelet is paramount for patients with diabetes insipidus. In case of an emergency, the bracelet can inform healthcare providers about the patient’s condition, ensuring they receive appropriate and timely treatment. This can be life-saving, especially if the patient is unable to communicate their medical history.
Choice D Reason:
Weight gain or loss can be a secondary concern for patients with diabetes insipidus, as the condition primarily affects fluid balance. While it is important to monitor weight to assess fluid status, it is not as critical as ensuring the patient understands the importance of wearing a medical alert bracelet.
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