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Question 17 (1 point) Which of the following statements makes sense during eye surgery on the...
10. Which of the following statements is correct? a) large amount of heat is applied during...
10. Which of the following statements is correct? a) large amount of heat is applied during biostimulation b) exogenous fluorophores are never used in photodynamic therapy c) process of stimulated emission has never been applied in laser d) ArF lasers emit beams at a wavelength = 193 nm and they cannot be focused to very small spots e) Er: Yag has never been used clinically to smash calculi
Question 32 (1 point) Which of the following statement is true? A penetration depth of 1mm...
Question 32 (1 point) Which of the following statement is true? A penetration depth of 1mm for a laser is ideal for hair removal Selective process is not important in laser hair removal Good penetration depth within 4 to 7mm is desirable in laser hair removal O CO2 lasers are ideal in hair removal Er:Yag lasers are the best lasers to be used in hair removal
These compoun is controlled by the energy gap separating the bands Question 9 (1 point) Which...
These compoun is controlled by the energy gap separating the bands Question 9 (1 point) Which of the following statements is false? Ho:Yag laser is used in lithotripsy Kr laser can be used in photo-dynamic therapy to excite exogenous fluorophores Alexandrite lasers can be used for tattoo removals Radiation emitted by the CO2 laser propagates well in all optical fibers Radiation emitted by Er: Yag lasers are strongly absorbed by water Question 10 (1 point) Which of the following statements...
Question 31 (2 points) Which of the following statement is false? Er:Yag and CO2 lasers can...
Question 31 (2 points) Which of the following statement is false? Er:Yag and CO2 lasers can vaporize tissue because they strongly absorbed in tissue He-Ne is often used in biostimulation to raise tissue temperature around 40°C Argon and Nd:Yag are the lasers of choice to stop bleeding Nd:Yag laser can be efficient in the treatment of capsulotomy Er:Yag and CO2 laser can be used to correct the curvature of the cornea Question 32 (1 point) Which of the following statement...
Question 33 (1 point) Which two amongst the five following statements are true? 1) Nd:Yag lasers...
Question 33 (1 point) Which two amongst the five following statements are true? 1) Nd:Yag lasers penetrate deeply into skin because they are not absorbed much by tissue 2) Nd: Yag is the ideal laser to use to correct the cornea 3) Er:Yag lasers are not absorbed at all by tissue 4) Argon lasers are very efficient to smash stones in lithotripsy surgery 5) The Ruby laser was the first laser that was invented 1) and 5) 2) and 3)...
Question 6 (1 point) Five groups of three different lasers are listed below. Which group is...
Question 6 (1 point) Five groups of three different lasers are listed below. Which group is listing three lasers emitting in the visible spectrum? Nd:Yag, ArF, excimer laser Ruby, Nd:Yag, He:Ne Argon, Ruby, KrF Alexandrite, Er:Yag, CO2 Ruby, Argon, He:Ne Question 7 (2 points) The incident radiation intensity entering the material that is used to make a pair of safety glasses is 107 W/cm2 and the intensity of the radiation measured after transmission is 1W/cm2. What is the optical density...
Question 32 (1 point) Which of the following statement is true? A penetration depth of 1mm for a laser is ideal for hair removal Selective process is not important in laser hair removal Good penetration depth within 4 to 7mm is desirable in laser hair removal O CO2 lasers are ideal in hair removal Er:Yag lasers are the best lasers to be used in hair removal
These compoun is controlled by the energy gap separating the bands Question 9 (1 point) Which of the following statements is false? Ho:Yag laser is used in lithotripsy Kr laser can be used in photo-dynamic therapy to excite exogenous fluorophores Alexandrite lasers can be used for tattoo removals Radiation emitted by the CO2 laser propagates well in all optical fibers Radiation emitted by Er: Yag lasers are strongly absorbed by water Question 10 (1 point) Which of the following statements...
Question 31 (2 points) Which of the following statement is false? Er:Yag and CO2 lasers can vaporize tissue because they strongly absorbed in tissue He-Ne is often used in biostimulation to raise tissue temperature around 40°C Argon and Nd:Yag are the lasers of choice to stop bleeding Nd:Yag laser can be efficient in the treatment of capsulotomy Er:Yag and CO2 laser can be used to correct the curvature of the cornea Question 32 (1 point) Which of the following statement...
Question 33 (1 point) Which two amongst the five following statements are true? 1) Nd:Yag lasers penetrate deeply into skin because they are not absorbed much by tissue 2) Nd: Yag is the ideal laser to use to correct the cornea 3) Er:Yag lasers are not absorbed at all by tissue 4) Argon lasers are very efficient to smash stones in lithotripsy surgery 5) The Ruby laser was the first laser that was invented 1) and 5) 2) and 3)...
Question 6 (1 point) Five groups of three different lasers are listed below. Which group is listing three lasers emitting in the visible spectrum? Nd:Yag, ArF, excimer laser Ruby, Nd:Yag, He:Ne Argon, Ruby, KrF Alexandrite, Er:Yag, CO2 Ruby, Argon, He:Ne Question 7 (2 points) The incident radiation intensity entering the material that is used to make a pair of safety glasses is 107 W/cm2 and the intensity of the radiation measured after transmission is 1W/cm2. What is the optical density...
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