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1. A method used to improve the intensity of FISH probe signals is:
A. Heat fixation
B. Pepsin pretreatment
C. Ethanol wash
D. Buffer dilution
Answer: B
2. A solution that reduces temperature and improves the intensity of FISH probe
signals is:
A. 1x PBS
B. 2x SSC
C. Sodium chloride
D. Methanol
Answer: B
3. A type of tumor associated with chromosome 11 is:
A. Neuroblastoma
B. Wilm's tumor
C. Retinoblastoma
,D. Osteosarcoma
Answer: B
4. A type of sarcoma associated with the translocation t(11;22) is:
A. Osteosarcoma
B. Ewing sarcoma
C. Kaposi sarcoma
D. Fibrosarcoma
Answer: B
5. A type of eye cancer associated with chromosome 13 deletion is:
A. Melanoma
B. Retinoblastoma
C. Glioma
D. Lymphoma
Answer: B
6. A genetic disorder characterized by low levels of AFP and Estriol, and high
levels of HCG is:
A. Trisomy 18
B. Down Syndrome
C. Turner Syndrome
D. Klinefelter Syndrome
Answer: B
7. A genetic disorder characterized by low levels of AFP, Estriol, and HCG is:
A. Down Syndrome
B. Trisomy 18
, C. Trisomy 13
D. Turner Syndrome
Answer: B
8. Guidelines that recommend keeping slides for 3 years are:
A. WHO guidelines
B. CAP guidelines
C. FDA guidelines
D. CDC guidelines
Answer: B
9. Referring to the period before birth, usually within the first 3 months of
pregnancy:
A. Neonatal
B. Prenatal
C. Postnatal
D. Perinatal
Answer: B
10. A process focused on ensuring the quality of laboratory procedures, not to
be confused with quality control, is:
A. Quality control
B. Quality assurance
C. Validation
D. Calibration
Answer: B
11. A substance that is least toxic to cells is: