Question

In the sampler, the range of the sample size is from _______

(a) 0.1 to 8.5 ml

(b) 1 to 8.5 ml

(c) 0.85 to 0.1 ml

(d) 8.5 to 10 ml

This question was addressed to me during a job interview.

I would like to ask this question from Medical Diagnosis with Chemical Tests in chapter Clinical Laboratory Instruments of Biomedical Instrumentation

Answer 1

The correct answer is (a) 0.1 to 8.5 ml

Easiest explanation: With this sampler, the sample size may range from 0.1 to 8.5 ml. It utilizes cups of sizes 0.5, 2, 3 and 10 ml. The sample plate is kept covered to prevent evaporation, which may sometimes lead to errors up to 5%. Sampling and washing periods are controlled by a programming cam.