Decalcification Quiz

What is the primary purpose of decalcification?

• To remove calcium ions from bone or calcified tissue

• To enhance the color of tissues

• To increase the hardness of tissues

• To preserve the structural integrity of bones

Which of the following is the most common decalcifying agent?

• Nitric Acid

• Formic Acid

• Citric Acid

• Hydrochloric Acid

What is a disadvantage of using Nitric Acid for decalcification?

• It is safe to handle

• It produces excellent nuclear staining

• It can seriously damage tissue stainability

• It is very slow-acting

How long does decalcification with Formol-Nitric Acid typically take?

• 12-24 hours

• 1-3 days

• 2-7 days

• 4-8 days

Which decalcifying agent is recommended for urgent biopsies?

• Citric Acid

• Perenyi’s Fluid

• Formic Acid

• Trichloroacetic Acid

What is the main advantage of using EDTA as a decalcifying agent?

• It is suitable for all types of tissues

• It is very fast

• It permits excellent staining results

• It is the cheapest option

Which of the following acids is considered a weak decalcifying agent?

• Trichloroacetic Acid

• Nitric Acid

• Hydrochloric Acid

• Sulfurous Acid

What is the decalcification time for Hydrochloric Acid?

• 4-8 days

• 6-14 days

• 12-24 hours

• 1-3 days

What is a disadvantage of using Formic Acid?

• It produces excellent nuclear staining

• It is suitable for urgent biopsies

• It requires neutralization with sodium sulfate

• It is very fast-acting

Which method is considered the most reliable for measuring the extent of decalcification?

• Visual Inspection

• Chemical Method

• X-ray or Radiological Method

• Physical or Mechanical