Someone with a small amount of training would be able to take and stain blood samples, and then capture and transmit images to an expert who could carry out the diagnosis.

受过简单训练的人都有能力对血液样本进行采集和拭染，然后将图象传送给能进行诊断的专家。

youdao

Could you explain why you take samples of the blood from the patient?

你能解释一下你为什么抽取病人的血样吗？

youdao

You will also take blood samples and interpret the results of blood-gas analyses, maintain the patient's airway openings, and perform CPR when necessary.

您还将采取血液样本并解释血气分析的结果，使病人的呼吸道保持开口，并在必要时进行心肺复苏。

youdao

The plan that I'd worked out with Linda was to take two samples from a cross section of the friends and family in attendance one draw of blood immediately before the vows and one immediately after.

WSJ: The Trust Molecule by Paul J. Zak