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 B
Explanation
Choice A reason: The option that the patient "cannot be treated" is incorrect because Pneumocystis carinii pneumonia (PCP) in HIV-positive patients can be treated with medications such as trimethoprim-sulfamethoxazole (TMP-SMX). There are also preventive measures and treatments available for individuals with HIV/AIDS to manage PCP and improve their health outcomes. Thus, this option is not accurate for the scenario described.
Choice B reason: The diagnosis of Pneumocystis carinii pneumonia (PCP) in an HIV-positive patient strongly indicates that the patient has progressed to AIDS. AIDS, or acquired immunodeficiency syndrome, is diagnosed when an individual with HIV develops certain opportunistic infections or their CD4 cell count drops below a critical level. PCP is one of the most common opportunistic infections seen in AIDS patients, signifying severe immune system compromise due to the advanced stage of HIV infection. This makes option B the correct answer.
Choice C reason: The option stating that the patient "has less than 2 years to live" is incorrect because it is not a definitive prognosis for patients with PCP or AIDS. With appropriate medical treatment and adherence to antiretroviral therapy (ART), HIV-positive individuals, even those diagnosed with AIDS, can live longer and healthier lives. Advances in medical care have significantly improved the life expectancy and quality of life for people living with HIV/AIDS. Therefore, this option is not accurate for this scenario.
Choice D reason: The option that the patient "was an intravenous drug user" is incorrect because PCP can affect any HIV-positive individual, regardless of their drug use history. While intravenous drug use is a known risk factor for HIV transmission, it is not directly related to the development of PCP. PCP is caused by a weakened immune system due to HIV progression, not the method of HIV transmission. Thus, this option does not appropriately address the diagnosis of PCP.
Correct Answer is C
Explanation
Choice A reason:
Hypotension is not the likely cause of chest pain that does not improve after sublingual Nitroglycerin in a patient with a history of atherosclerosis. While hypotension can cause symptoms, the description of chest pain at rest that does not respond to Nitroglycerin suggests a more severe cardiac issue.
Choice B reason:
Stable angina typically occurs with exertion and is relieved by rest or Nitroglycerin. Chest pain consistent at rest that does not improve with Nitroglycerin suggests unstable angina, which is a more serious condition and requires immediate medical attention.
Choice C reason:
Unstable angina is the correct answer. It occurs when chest pain happens at rest and is not relieved by Nitroglycerin, indicating that the blood flow to the heart is severely restricted. This condition is a medical emergency as it can lead to a myocardial infarction.
Choice D reason:
Coronary vasodilation would typically relieve chest pain by increasing blood flow to the heart. The pain described is more consistent with unstable angina, where there is a significant reduction in blood flow to the heart that does not respond to vasodilation.
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