Provide responses to each of the questions

Provide responses to each of the questions below

Provide responses to each of the questions below (approx. 250 words each). Include references when used.
Your answers will relate to particular standards of proficiency and will indirectly provide some evidence of your meeting one or more of them. The better your answer is, the clearer will be the evidence for your understanding of the standard(s).
For each answer, clearly state which standard(s) you think are being demonstrated (you can just provide the number of the standard(s), eg 1a.1).

a. Can you explain the difference between internal quality control and external quality assurance in a diagnostic laboratory?
b. What precautions may be necessary for the biomedical scientist to safely deal with clinical samples?