As an x-ray tube ages, the inside can become coated with tungsten, which can cause arcing in the tube.
When there is a short circuit inside the tube, usually from the cathode to the tube envelope, tube arcing happens. A brief loss of x-ray output and a localised artefact are the consequences. On transaxial computed tomography (CT) scans, it appears as a near-parallel, equidistant streak pattern, and on coronal and sagittal CT images, as a "horizontal" hypodense band.
The most frequent cause of x-ray tube failure is an inability to effectively disperse the heat produced during routine operation. It is common knowledge that at the anode target, heat accounts for 99% or more of the kinetic energy given to the electron beam.
Therefore, an x-ray tube ages, the inside can become coated with tungsten, which can cause arcing in the tube.
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Answer: A
Explanation:
The priority is to decrease oxygen consumption by sitting this client down. When the client's condition is stabilized, he can be returned to bed. An ECG can be obtained after the client is sitting down, and the ordered sublingual nitroglycerin could be administered.
Calcium channel blocker
These medications lower blood pressure and treat other conditions such as chest pain and an irregular heartbeat.
<h3>What are Calcium channel blocker ?</h3>
Calcium channel blockers are medications used to lower blood pressure. They work by preventing calcium from entering the cells of the heart and arteries.
- Calcium causes the heart and arteries to squeeze (contract) more strongly. By blocking calcium, calcium channel blockers allow blood vessels to relax and open.
- The medications may also be prescribed to relieve chest pain (angina) and control an irregular heartbeat.
- Calcium channel blockers are also called calcium antagonists.
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Explanation:
Medicines help us live longer and healthier. But, taking them the wrong way or mixing certain drugs can be dangerous. You need to be careful to keep track of your medicines and use them safely.
Answer:
i dont think you gave us the choices but epidemiology is the study of health distribution. it determines diseases as well as shapes decisions. essentially they deal with medicine having to do with big diseases and new diseases like cancer.
