Emergency Medical Technician (EMT) Trauma Practice Test

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In which of the following circumstances would external bleeding be the LEAST difficult to control?

Lacerated brachial artery; BP of 140/90 mm Hg
Lacerated carotid artery; BP of 90/50 mm Hg
Lacerated femoral vein; BP of 70/40 mm Hg
Lacerated jugular vein; BP of 100/60 mm Hg

The correct answer is: Lacerated brachial artery; BP of 140/90 mm Hg

In the given scenarios, the one in which external bleeding would be the least difficult to control is when there is a lacerated brachial artery with a blood pressure of 140/90 mm Hg. The reason for this is that a higher blood pressure (140/90 mm Hg in this case) would help in pushing the blood out of the body faster, making it easier to identify and control the source of bleeding compared to lower blood pressure scenarios. In contrast, the other options involve lacerations of major arteries or veins with lower blood pressure readings, which would lead to decreased blood flow pressure and potentially make it more challenging to control the bleeding.