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DOH Phlebotomist Practice Test & Test Prep


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DOH DOH-Phlebotomist Practice Test Features

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DOH Phlebotomist Sample Test

1 of 5

The tourniquet should stay on for no more than how long?





Correct Answer:
1 minute
a tourniquet is a device used to apply pressure to a limb or extremity in order to limit – but not stop – the flow of blood. this can be crucial in medical settings, particularly during procedures where controlling blood flow is necessary, or in emergency situations to control bleeding.

the recommended maximum duration for which a tourniquet should remain applied is generally about 1 minute. this guideline is particularly important in a clinical setting, such as during the drawing of blood or administration of intravenous treatments. keeping the tourniquet on for no more than one minute helps to reduce the risk of complications such as nerve damage, tissue damage, or excessive blood loss, which might occur due to prolonged restriction of blood flow.

beyond this duration, the risks associated with prolonged application increase significantly. if a tourniquet is left on for longer than the advised time, it can lead to potential harm. for instance, prolonged compression can cause local nerve trauma, which might lead to temporary or permanent numbness, tingling, or even motor deficits in the affected limb. furthermore, extended application can also disrupt blood flow to such an extent that it might lead to ischemia — a condition where insufficient blood flow leads to the inadequate oxygenation of tissue and possible tissue death.

therefore, it is crucial to monitor the time a tourniquet is applied. in medical procedures, professionals are trained to apply a tourniquet for the shortest duration necessary and to remove it as soon as it is no longer needed. in emergency scenarios, where a tourniquet might be used to control severe bleeding, it should still be removed as soon as medical help arrives and further care can be administered.

in summary, while the use of a tourniquet can be life-saving, its application must be carefully managed to avoid causing additional harm. adhering to the recommended time limit of one minute whenever possible is a critical aspect of this management.


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