CCEA GCE Life & Health Sciences Practice Questions - CCEA GCE Life And Health Sciences (Northern Ireland) Exam

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When using a light microscope, which adjustment should you make first to bring a specimen roughly into focus under low power?

Rotate the oil-immersion objective into place Use the coarse focus knob with the lowest-power objective Fully open the condenser iris and ignore the stage height Use only the fine focus knob starting from the highest power

Correct Answer:

Use the coarse focus knob with the lowest-power objective

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