Which decalcification method is best for electron microscopy or enzyme histochemistry staining?

All of the following are considered to be decalcification methods except:

Black acid hematin (Formalin pigment):Check all that apply

Which of the following processing schedules should be used to process routine surgical specimens in a closed system overnight?Schedule ASchedule BSchedule CAlcoholic formalin – 1 hours10% NBF – 2 hoursAlcoholic formalin – 4 hoursAlcoholic formalin – 1 hourAlcoholic formalin – 1.5 hoursAlcoholic formalin – 2 hour80% – 0.5 hour95% alcohol – 1 hour80% – 2 hour80% alcohol – 20 minutes95% alcohol – 1 hour80% alcohol – 1 hour95% alcohol – 20 minutes100% alcohol – 1.5 hour95% alcohol – 2 hour100% alcohol – 20 minutes100% alcohol – 1.5 hour100% alcohol – 2 hour100% alcohol – 20 minutesXylene – 1 hour100% alcohol – 1 hourXylene – 0.5 hourXylene – 1 hourXylene – 1.5 hourXylene – 20 minutesParaffin – 0.5 hourXylene – 120 minutesParaffin – 0.5 hourParaffin – 1 hourParaffin – 2.5 hourParaffin – 20 minutesParaffin – 1 hourParaffin – 2.5 hourParaffin – 20 minutesParaffin – 0.5 hourParaffin – 0.5 hour

For the Masson’s trichrome stain, tissue is preferentially fixed with ; for demonstration of urate crystals, the tissue should be fixed with .

Select the true statements regarding acetone

Which of the following is not a dehydrating agent?

A uterus block appears to have a soft center and will not section. The most plausible explanation for this change is:

Match the following reagent with its function. Answers may be used more that once.

Tissue sections, stained with H&E, appear to have cloudy uneven. Plausible explanations include:Check all that apply