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ARRT Cardiac-Interventional Radiography (CI) Practice Tests & Test Prep by Exam Edge - Topics


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ARRT Cardiac-Interventional Radiography Exam Blueprint

Understanding the exact breakdown of the ARRT Cardiac-Interventional Radiography test will help you know what to expect and how to most effectively prepare. The ARRT Cardiac-Interventional Radiography has 175 multiple-choice questions The exam will be broken down into the sections below:

ARRT Cardiac-Interventional Radiography Exam Blueprint
Domain Name % Number of
Questions
Equipment and Instrumentation 21% 37
Patient Care 24% 42
Cardiac-Interventional Procedures 55% 96

ARRT Cardiac-Interventional Radiography - Exam Topics Sample Questions

Which of the following is borderline-high total blood cholesterol for a 31-year-old?

Correct Answer:
220 mg/dl.
the question is asking to identify the cholesterol level that is considered borderline-high for a 31-year-old individual. the correct answer to this question is 220 mg/dl.

to understand why 220 mg/dl is considered borderline-high, it's important to know the general guidelines for blood cholesterol levels in adults. these guidelines are usually categorized into three main ranges: 1. **desirable:** this category is for total cholesterol levels less than 200 mg/dl. at this level, an individual is generally considered to have a lower risk of coronary heart disease. 2. **borderline-high:** total cholesterol levels that fall between 200 mg/dl and 239 mg/dl are categorized as borderline-high. individuals in this range are at a higher risk for developing heart disease compared to those in the desirable category. it is often suggested that people in this range should consider lifestyle changes and possibly medical interventions to lower their cholesterol levels. 3. **high:** a total cholesterol level of 240 mg/dl and above is considered high. this level significantly increases the risk of heart disease. individuals with high cholesterol usually require more intensive treatment, including lifestyle modifications and medication.

in the context of the question, a cholesterol level of 220 mg/dl falls within the borderline-high category (200 to 239 mg/dl). this means that for a 31-year-old, a cholesterol level of 220 mg/dl would indicate a need for lifestyle changes, and potentially medical monitoring, to reduce the risk of cardiovascular diseases. this level signals a higher risk than desirable levels but is not yet in the high-risk category, which would necessitate more aggressive treatment strategies. therefore, the correct answer is 220 mg/dl, which is considered borderline-high total blood cholesterol for a 31-year-old individual. other values listed such as 195 mg/dl, 245 mg/dl, and 250 mg/dl represent desirable and high cholesterol levels, respectively, and do not accurately answer the question regarding borderline-high cholesterol.

What is a contraindication for thoracic aortography?

Correct Answer:
end hole catheter malposition. 
thoracic aortography is a diagnostic imaging procedure used to visualize the aorta and its branches. it involves the injection of contrast media through a catheter placed in the aorta. while it provides valuable information about the structure and integrity of the aorta, certain conditions can make this procedure risky or contraindicated.

one such contraindication is end-hole catheter malposition. this situation occurs when the catheter used to inject the contrast media is not correctly positioned within the aorta. an improperly positioned catheter can lead to inaccurate injection of the contrast, potentially causing damage to the vessel wall or incorrect diagnostic results. the catheter's tip, if not in the correct segment of the aorta, might direct the high-pressure flow of contrast media against the vessel wall, leading to complications such as dissection or perforation of the aorta.

other contraindications for thoracic aortography include a known allergic reaction to the contrast media used during the procedure. such reactions can range from mild allergic responses to severe anaphylactic shock, posing significant risks to the patient. patients who have previously exhibited hypersensitivity to iodine-based contrast agents, which are commonly used in this procedure, are typically considered at risk.

additional contraindications include the inability of a patient to handle contrast media due to impaired renal function. since the kidneys are responsible for filtering out the contrast media from the bloodstream, compromised renal function can lead to acute kidney injury from the contrast agent. therefore, renal function is typically assessed before the procedure to ensure that the kidneys can handle the additional workload.

lastly, injecting contrast media into the false lumen of an aortic dissection is a contraindication. aortic dissection involves a tear in the aorta's inner layer, allowing blood to flow between the layers of the blood vessel wall and creating a false lumen. injecting contrast into this false lumen can exacerbate the dissection, potentially leading to catastrophic outcomes such as complete rupture of the aorta.

in summary, while thoracic aortography is a useful tool in diagnosing aortic diseases, certain conditions such as end-hole catheter malposition, allergic reactions to contrast media, impaired renal function, and the presence of an aortic dissection with a false lumen significantly increase the risks associated with the procedure. these conditions are therefore considered contraindications to performing thoracic aortography.