The nurse assesses a client with cirrhosis and finds 4+ pitting edema of the feet and legs, and massive ascites. Which mechanism contributes to edema and ascites in clients with cirrhosis?
Hyperaldosteronism causing an increased sodium reabsorption in renal tubules.
Decreased renin-angiotensin response related to an increase in renal blood flow.
Decreased portacaval pressure with greater collateral circulation.
Hypoalbuminemia that results in a decreased colloidal oncotic pressure
The Correct Answer is D
A. Hyperaldosteronism causing an increased sodium reabsorption in renal tubules.
Hyperaldosteronism is characterized by an excess of aldosterone, a hormone that regulates sodium and water balance. In cirrhosis, however, sodium retention is often related to other mechanisms such as portal hypertension and hypoalbuminemia, rather than hyperaldosteronism.
B. Decreased renin-angiotensin response related to an increase in renal blood flow.
Cirrhosis is more commonly associated with an activated renin-angiotensin-aldosterone system, leading to increased sodium and water retention. The increased renin-angiotensin response is a compensatory mechanism to maintain perfusion in the setting of cirrhosis and does not contribute to decreased renal blood flow.
C. Decreased portacaval pressure with greater collateral circulation.
This statement is not accurate. In cirrhosis, there is typically increased portacaval pressure due to portal hypertension, which can lead to the development of collateral circulation. However, this does not explain the edema and ascites seen in cirrhosis.
D. Hypoalbuminemia that results in a decreased colloidal oncotic pressure.
This is the correct choice. In cirrhosis, liver damage leads to decreased synthesis of albumin. Albumin plays a crucial role in maintaining colloidal oncotic pressure, and when it is decreased (hypoalbuminemia), fluid is more likely to leak out of blood vessels, resulting in edema. The same mechanism contributes to the development of ascites in the abdominal cavity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Elevate extremities on pillows:
While elevation can be beneficial for reducing dependent edema, the priority is to assess the pulses first to determine the adequacy of peripheral perfusion.
B. Evaluate edema for pitting:
Assessing edema for pitting is important for gathering additional information, but it is not the initial action in this scenario. Assessing pulses is more critical to evaluate perfusion.
C. Wrap the feet with warmed blankets:
Warming the feet with blankets may be appropriate in some situations, but it is not the priority when the client is exhibiting edema and non-palpable pedal pulses. The primary concern is assessing perfusion.
D. Assess pulses with a vascular Doppler:
This is the correct action. The non-palpable pedal pulses are concerning and require immediate assessment to determine the status of peripheral perfusion. Using a vascular Doppler will help the nurse assess the presence or absence of blood flow in the lower extremities.
Correct Answer is B
Explanation
A. Evaluate the urine for a strong odor.
While evaluating urine for a strong odor can provide some information about a possible urinary tract infection (UTI), it is not the most immediate concern. The priority in this case is to assess for signs of systemic infection, and checking for a strong odor can be done later.
B. Measure her temperature and pulse rate.
This is the correct choice. Measuring temperature and pulse rate is a critical initial step to assess for signs of systemic infection. Fever and an elevated pulse rate can indicate that the infection may have spread beyond the bladder, possibly involving the kidneys.
C. Test her urine for the presence of hematuria.
Testing for hematuria (blood in the urine) is an important diagnostic step for a UTI, but it is not the first priority. Vital sign assessment takes precedence to determine the severity of the condition and the need for urgent intervention.
D. Palpate the right flank for tenderness.
Palpating the right flank for tenderness is a relevant physical assessment to check for kidney involvement, which is important in cases of suspected pyelonephritis. However, assessing vital signs is a more immediate and critical step to determine the severity of the condition.
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