Free Oral Mucosa MCQs with Answers
44 Oral Mucosa MCQs from Oral Histology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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- A. Embedded in paraffin and sectioned
- B. All of the above
- C. Frozen and sectioned
- D. Specimens ground into thin sections
- E. Embedded in paradion and sectioned
Explanation: Depending on the tissue and purpose, oral specimens may be paraffin-embedded and sectioned, frozen and sectioned, or ground into thin…
Correct answer: All of the above- A. Mucin
- B. Fat
- C. Cartilage
- D. Iron
Explanation: Frozen sections preserve and demonstrate fat because routine dehydration and clearing dissolve lipids from tissue.
Correct answer: Fat- A. By using 10% formalin
- B. By using liquid or solid Co2
- C. By using increasing percentages of alcohol
- D. By using 5% nitric acid
Explanation: Dehydration removes water from a specimen by passing it through progressively stronger alcohol concentrations.
Correct answer: By using increasing percentages of alcohol- A. 10% formalin
- B. 40% formalin
- C. 20% formalin
- D. 10% alcohol
Explanation: About 10% neutral buffered formalin is the standard routine fixative for biopsy specimens because it preserves tissue structure by…
Correct answer: 10% formalin