Biomedical Optics 6 MCQ

<p>Radiation safety (D)</p> Signup and view all the answers

<p>280-290 (A)</p> Signup and view all the answers

<p>Medical Laser Safety Officer (MLSO) (C)</p> Signup and view all the answers

<p>Designing laser control systems (A)</p> Signup and view all the answers

<p>Medical Laser Safety Officer (MLSO) (D)</p> Signup and view all the answers

<p>Safety regulations and compliance (A)</p> Signup and view all the answers

<p>They play a critical role in both patient and staff safety. (A)</p> Signup and view all the answers

<p>Wavelength and intensity (A)</p> Signup and view all the answers

<p>Patient and staff safety risks (B)</p> Signup and view all the answers

<p>To ensure laser hazard standards are followed (A)</p> Signup and view all the answers

<p>They could also hold a Medical Physicist’s license (A)</p> Signup and view all the answers

<p>Laser Safety Officer (B)</p> Signup and view all the answers

<p>Creating laser technology (D)</p> Signup and view all the answers

<p>Compliance with hazard controls (B)</p> Signup and view all the answers

<p>Medical Physicist (A)</p> Signup and view all the answers

<p>Monitoring compliance with safety standards (C)</p> Signup and view all the answers

<p>To direct safe laser use and compliance (D)</p> Signup and view all the answers

<p>Licensure as a Medical Physicist (B)</p> Signup and view all the answers

<p>Molecular photo-excitation due to photon absorption (B)</p> Signup and view all the answers

<p>They can initiate subsequent biochemical reactions. (C)</p> Signup and view all the answers

<p>Molecular photo-excitation (D)</p> Signup and view all the answers

<p>To enable molecular transitions between energy states (A)</p> Signup and view all the answers

<p>They always produce heat as a byproduct (D)</p> Signup and view all the answers

<p>The wavelength and energy of the absorbed photons (B)</p> Signup and view all the answers

<p>Absorption of photons leading to molecular transitions (C)</p> Signup and view all the answers

<p>They can occur only with high-energy UV light (A)</p> Signup and view all the answers

<p>It initiates chemical changes in target molecules (D)</p> Signup and view all the answers

A medical treatment that uses light and a photosensitizing drug to destroy cancerous cells.

Devices used to emit light of specific wavelengths for PDT.

The process of measuring and monitoring the amount of light energy delivered during PDT.

Special drugs that absorb light energy and become toxic to cancer cells.

A branch of science that studies the interactions of light with matter.

A device that emits an intense beam of light with a very narrow wavelength range.

Laser radiation is highly focused, coherent (all waves travel in the same direction), and monochromatic (only one wavelength).

Lasers can be used for various medical purposes, such as surgery, skin treatments, and diagnostics.

A Laser Safety Officer (LSO) is trained to ensure the safe use of lasers.

The Medical Laser Safety Officer (MLSO) is an LSO who is specifically trained to ensure the safe use of lasers in medical settings.

The LSO or MLSO is essential for safe and effective use of lasers in medical settings.

Proper supervision and procedures are necessary to ensure the safe use of lasers in both medical and other settings.

A healthcare professional responsible for ensuring safe laser use and compliance with safety standards.

A professional qualified to oversee the safe use of lasers, particularly in medical settings.

Regulations and guidelines that dictate how lasers should be used to minimize potential risks.

Procedures and methods that control the potential hazards associated with laser use.

A licensed professional specializing in the application of physics to medical problems, often involved in radiation safety.

A license held by qualified professionals indicating their competence in medical physics.

The potential for lasers to cause harm, such as eye injury or burns.

A LSO/MLSO might also be qualified as a medical physicist, meaning they have the expertise in both laser safety and medical physics.

The LSO/MLSO's primary role is to protect people from potential harm caused by lasers.

When a molecule absorbs a photon, electrons in its atoms move to higher energy levels.

These processes involve absorption of one or more photons by a molecule.

The energy absorbed from light can cause chemical reactions to occur or alter the state of molecules.

The changes in molecular structure due to photon absorption might not be permanent, and the molecule can return to its original state after releasing energy.

Energy absorbed during photoexcitation can be released in different forms (e.g., heat, light, or sound).

Some photochemical effects are crucial for natural processes like photosynthesis in plants, where sunlight drives the conversion of carbon dioxide and water into glucose.

Photochemistry plays a vital role in various technologies, including photography, photolithography (for microchips), and photodynamic therapy for cancer.

The field of photochemistry is essential for understanding how light interacts with matter and its diverse applications in science, technology, and nature.