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DOH Cardiac-Interventional Radiography (DOH-CI) Practice Tests & Test Prep by Exam Edge - Free Test


Our free DOH Cardiac-Interventional Radiography (DOH-CI) Practice Test was created by experienced educators who designed them to align with the official Department of Health (DOH) Abu Dhabi content guidelines. They were built to accurately mirror the real exam's structure, coverage of topics, difficulty, and types of questions.

Upon completing your free practice test, it will be instantly reviewed to give you an idea of your score and potential performance on the actual test. Carefully study your feedback to each question to assess whether your responses were correct or incorrect. This is an effective way to highlight your strengths and weaknesses across different content areas, guiding you on where to concentrate your study efforts for improvement on future tests. Our detailed explanations will provide the information you need to enhance your understanding of the exam content and help you build your knowledge base leading you to better test results.

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DOH Cardiac-Interventional Radiography - Free Test Sample Questions

Which of the following converts the blood pressure signal to an electrical signal?

Correct Answer:
pressure transducer.


a pressure transducer is a device specifically designed to convert various forms of physical pressure into an electrical signal. this conversion is critical in many medical scenarios, particularly in monitoring systems such as blood pressure monitoring in an intensive care setting.

to understand how a pressure transducer works in the context of converting a blood pressure signal, it's essential to look at its connection with an arterial catheter. an arterial catheter is typically inserted into an artery, which is directly linked to the cardiovascular system. this placement allows the catheter to directly detect the pressure exerted by the blood within the artery.

the pressure transducer is attached to the external end of the arterial catheter. as blood pressure fluctuates within the artery, these changes in pressure are transmitted through the catheter to the pressure transducer. inside the transducer, these physical pressure changes are converted into corresponding electrical signals. this is achieved through the mechanical deformation of sensor elements within the transducer, which in turn affects the electrical resistance or capacitance of the circuit, creating a measurable electrical output directly related to the pressure changes.

these electrical signals are then amplified and processed, allowing healthcare providers to monitor the patient's real-time blood pressure continuously. this monitoring is vital in critical care settings, where patients' blood pressure needs to be closely and accurately watched to assess their condition and adjust treatments accordingly.

in summary, the pressure transducer plays a crucial role in converting the mechanical pressure of blood into an electrical signal that can be easily monitored and analyzed. this facilitates advanced patient care in environments where stability and accuracy are paramount.