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

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

Describe a circumstance why it may be necessary to surface decalcify a section of tissue. How would this be accomplished?

Compare the photographs (left-initial result / right-final product). The spleen tissue on the left was overdehydrated/processed. What corrective action step was most likely taken to produce the outcome that is seen on the right? Microtomy9.jpg

Which of the following fixatives will render bone biopsies radiopaque and therefore prevent x-rays from being used to determine the end point of decalcification?Check all that apply

Paraffin in the embedding center should be kept: