An increase in the rate of red blood cell breakdown causes which form of jaundice?
Hepatocellular
Hemolytic
Obstructive
Metabolic
The Correct Answer is B
Choice A reason:
Hepatocellular jaundice occurs due to damage or dysfunction of the liver cells (hepatocytes). This type of jaundice is associated with liver diseases such as hepatitis or cirrhosis, where the liver cannot effectively process bilirubin. It is not directly related to increased red blood cell breakdown but rather to the liver’s inability to handle bilirubin.
Choice B reason:
Hemolytic jaundice results from an increased breakdown of red blood cells, leading to a higher production of bilirubin, which the liver cannot clear fast enough. This condition causes an overload of bilirubin in the blood, resulting in jaundice. Hemolytic jaundice is typically seen in conditions such as hemolytic anemia, where red blood cell destruction exceeds the liver's ability to process and excrete bilirubin.
Choice C reason:
Obstructive jaundice is caused by a blockage in the bile ducts, preventing bilirubin from being excreted into the digestive system. This blockage can result from gallstones, tumors, or strictures. It is not related to the increased breakdown of red blood cells but rather to the obstruction of bile flow, leading to bilirubin buildup in the liver and subsequently in the blood.
Choice D reason:
Metabolic jaundice results from metabolic disorders that affect bilirubin processing or liver function. These disorders can lead to abnormalities in bilirubin metabolism, but they are not directly caused by increased red blood cell breakdown. Metabolic jaundice is less common than other forms and typically involves inherited conditions affecting bilirubin conjugation and excretion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason:
Abdominal ultrasound and chest X-ray are not the first-line tests for a patient presenting with these symptoms. While they can be useful in assessing certain conditions, the priority in this case is to rule out cardiac causes, especially given the symptoms that could indicate a cardiac event.
Choice B reason:
Testing the acidity of gastric contents and assessing the throat is not relevant for the initial evaluation of these symptoms. While gastrointestinal issues can present with similar symptoms, the first step should be to rule out more serious cardiac causes.
Choice C reason:
Electrocardiogram (EKG) and serum troponin levels are the correct answer. These tests are critical in assessing cardiac function and identifying potential myocardial infarction or other cardiac issues. Given the patient's symptoms, which can be indicative of a cardiac event, these tests are prioritized to rule out any immediate cardiac threats.
Choice D reason:
Abdominal X-ray and colonoscopy are not appropriate first-line tests in this scenario. While they may be necessary later to investigate gastrointestinal issues, the primary concern given the patient's symptoms is to rule out cardiac events with an EKG and serum troponin levels.
Correct Answer is B
Explanation
Choice B reason: Cirrhosis of the liver is the most likely cause of portal hypertension. Cirrhosis leads to scarring and fibrosis of the liver tissue, which obstructs blood flow through the liver and increases pressure in the portal vein, resulting in portal hypertension.
Choice A reason: Left ventricular failure is not a common cause of portal hypertension. It primarily affects the heart and can lead to pulmonary congestion and systemic edema, but not portal hypertension.
Choice C reason: Thrombosis in the spleen can contribute to portal hypertension, but it is not the most common cause. Cirrhosis of the liver is a more prevalent and significant cause of this condition.
Choice D reason: Renal stenosis affects the blood vessels supplying the kidneys and is not related to portal hypertension. It can lead to hypertension, but not specifically portal hypertension.
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