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DHA Biomedical Equipment Technician (DHA-CBET) Practice Exams & Test Prep - Topics



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Understanding what is on the DHA Biomedical Equipment Technician exam is crucial step in preparing for the exam. You will need to have an understanding of the testing domain (topics covered) to be sure you are studying the correct information.

  • Directs your study efforts toward the most relevant areas.
  • Ensures efficient and adequate preparation.
  • Helps identify strengths and weaknesses.
  • Allows for a focused approach to address gaps in understanding.
  • Aligns your preparation with the exam's expectations.
  • Increases the likelihood of success.
  • Keeps you informed about your field's current demands and standards.
There is no doubt that this is a strategic step in achieving certification and advancing your career.

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DHA Biomedical Equipment Technician Exam Blueprint

DHA Biomedical Equipment Technician - Exam Topics Sample Questions

When the BMET is checking the flowmeter and it is unable to obtain full flow, which of the following should be checked?

Correct Answer:
both a and b
when a biomedical equipment technician (bmet) is checking a flowmeter and notices an issue with achieving full flow, several factors should be considered to diagnose and fix the problem effectively. here’s an expanded explanation of what should be checked:

**low cylinder pressure**: the first thing to check is whether the gas cylinder connected to the flowmeter is adequately pressurized. a low pressure in the cylinder can lead to insufficient flow. if the cylinder pressure is found to be low, replacing it with a full cylinder should resolve the issue. this ensures that there is enough driving pressure to achieve the desired flow rate.

**regulator pressure setting**: another critical aspect to check is the pressure setting on the regulator. if the regulator is set too low, it won’t allow enough gas to pass through, even if the cylinder is full. adjusting the regulator to the correct pressure setting according to the manufacturer's specification or clinical requirement can help achieve the correct flow.

**fine adjustment valve**: sometimes, the issue might be with the fine adjustment valve, which controls the precise flow of gas. if this valve is clogged or not functioning correctly, it can restrict the flow. checking, cleaning, or replacing the fine adjustment valve can help restore proper function.

**outlet blockage**: finally, the outlet through which the gas exits the flowmeter could be partially blocked. this blockage can significantly reduce the flow of gas. inspecting and clearing any obstructions in the outlet can help ensure that gas flows freely.

in conclusion, when a flowmeter fails to achieve full flow, the bmet should systematically check these components: the cylinder pressure, the setting on the regulator, the condition of the fine adjustment valve, and the outlet for any blockages. addressing issues in any of these areas should help restore proper flowmeter function. therefore, the correct answer to the question of what should be checked when a flowmeter does not achieve full flow is "both a and b," indicating that all the mentioned factors are relevant and should be inspected.