A patient is admitted with esophageal varices and portal hypertension. Which underlying cause of these conditions would the nurse suspect?
Liver cirrhosis
Throat lacerations
Kyphosis
Squamous cell cancer
The Correct Answer is A
Choice A rationale
Liver cirrhosis is the most common cause of esophageal varices and portal hypertension. Cirrhosis leads to scarring of the liver, which impedes blood flow through the portal vein, causing increased pressure (portal hypertension) and the development of collateral blood vessels (varices) as the body attempts to bypass the blockage.
Choice B rationale
Throat lacerations are not related to the development of esophageal varices or portal hypertension. They are typically acute injuries and do not cause the chronic changes seen in the vasculature associated with these conditions.
Choice C rationale
Kyphosis, a curvature of the spine, does not cause esophageal varices or portal hypertension. It is a structural skeletal condition and does not affect the vasculature of the esophagus or the portal venous system.
Choice D rationale
While squamous cell cancer can occur in the esophagus, it is not a typical cause of portal hypertension or esophageal varices. These varices are usually a result of increased pressure in the portal vein, not directly from a malignancy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Congestive heart failure is not directly associated with an increased risk of developing acute pancreatitis. While it can contribute to overall health deterioration, it does not cause the condition.
Choice B rationale
Emphysema primarily affects the lungs and does not increase the risk of acute pancreatitis. It is a chronic obstructive pulmonary disease and is unrelated to pancreatic function.
Choice C rationale
Alcohol abuse is a well-known risk factor for acute pancreatitis. It can lead to repeated episodes of inflammation in the pancreas, which can eventually become chronic and lead to acute pancreatitis.
Choice D rationale
Diabetes mellitus is a result of chronic pancreatitis or can be a comorbidity, but it is not a direct cause of acute pancreatitis. However, it can be associated with complications related to the pancreas.
Correct Answer is C
Explanation
Choice A rationale
Monitoring calcium levels is important after administering calcium gluconate IV, but it is not the primary indicator of the medication's effectiveness in treating hyperkalemia. Calcium gluconate is used in hyperkalemia to stabilize the heart muscle, not to correct calcium levels.
Choice B rationale
Neurologic status may be affected by hyperkalemia, but changes in neurologic status are not the most direct measure of calcium gluconate's effectiveness. The medication's primary role is to address cardiac risks associated with high potassium levels.
Choice C rationale
Cardiac rhythm is the most critical aspect to monitor after administering calcium gluconate for hyperkalemia. Hyperkalemia can cause life-threatening cardiac dysrhythmias, and calcium gluconate works by stabilizing the cardiac membrane, thus the effectiveness of the treatment is directly reflected in the stabilization of the cardiac rhythm.
Choice D rationale
While urine volume can indicate kidney function and might indirectly reflect changes in potassium levels, it is not the direct measure of calcium gluconate's effectiveness in the emergency treatment of hyperkalemia.
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