Biomedical Optics MCQ

Q1. What is the refractive index?

Q2. Which of the following are fundamental optical properties of biological tissues?

Q3. Which physics theory explains light as discrete photons?

Q4. What is the meaning of scattering coefficient in biomedical optics?

Q5. Total internal reflection occurs when light passes from:

Q6. Which optical method is used for fluorophore detection in tissues?

Q7. The Beer-Lambert law relates:

Q8. Which part of the optical spectrum is used in Near-Infrared Spectroscopy (NIRS)?

Q9. Which optical imaging technique provides high-resolution cross-sectional images of biological tissue?

Q10. In laser tissue interaction, “photothermal effect” is:

Q11. Which type of light source is most commonly used in biomedical optics for fluorescence excitation?

Q12. Mie scattering occurs when scatterer size is:

Q13. What is the main clinical application of photoacoustic imaging?

Q14. Coherent light used in optical imaging means:

Q15. Which parameter determines the resolution in optical microscopy?

Q16. In biomedical optics, scattering anisotropy describes:

Q17. Laser therapy used in medicine primarily employs:

Q18. In optical fiber sensors, signal transmission occurs via:

Q19. Autofluorescence in tissues is due to:

Q20. Photodynamic therapy involves:

Q21. Which optical parameter depends on tissue composition?

Q22. Infrared radiation in biomedical optics is used primarily for:

Q23. Which method uses multiple photons to excite fluorescence in tissues?

Q24. Which parameter uniquely defines light absorption?

Q25. The Soret band is associated with:

Q26. Which method enhances optical image resolution beyond diffraction:

Q27. Which tissue component causes light scattering at cellular level?

Q28. What does the Fresnel reflection describe?

Q29. The term "therapeutic window" in biomedical optics refers to:

Q30. Optical coherence tomography (OCT) is based on:

Q31. Which parameter quantifies scattering mean free path?

Q32. Which laser type is commonly used in biomedical optics?

Q33. Which optical technique is used for measuring oxygenation in tissue?

Q34. Which biological molecule is highly fluorescent under UV light?

Q35. Which optical method is label-free?

Q36. Ophthalmoscopy is a diagnostic method for:

Q37. Which parameter defines how light intensity decays in tissue?

Q38. Which instrument is used to measure the refractive index?

Q39. Light scattering in tissues is mainly influenced by:

Q40. What is the key property of lasers used in medicine?