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Question 25 (1 point) Five groups of three lasers are listed below. Which group is listing...
Shine any laser source over the restom Question 24 (1 point) A FREDDY Nd:Yag laser is...
Shine any laser source over the restom Question 24 (1 point) A FREDDY Nd:Yag laser is used to smash calculi in lithotripsy. What principle is used during this type of surgery with this particular laser during this procedure? Luminescence Ultrasonic wave shattering Thermal absorption Shock-waves (assisted by a plasma) Absorption of water present in the duct 13 Question 25 (1 point) Five groups of three lasers are listed below. Which group is listing three lasers that can be used to...
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 23 (1 point) A lesion on skin has been identified. You want to generate a...
Question 23 (1 point) A lesion on skin has been identified. You want to generate a photochemical reaction on this region. Assume that the lesion is concentrated with hematoporphyrin derivative (HPD). What is the best method for triggering the photochemical reaction in the lesion? Expose the tumour directly with an Nd:Yag laser emitting at 2 = 1um Insert diffusers into the lesion in order to scatter red light at 2 - 633 nm in all directions 13 Use an Argon...
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)...
Shine any laser source over the restom Question 24 (1 point) A FREDDY Nd:Yag laser is used to smash calculi in lithotripsy. What principle is used during this type of surgery with this particular laser during this procedure? Luminescence Ultrasonic wave shattering Thermal absorption Shock-waves (assisted by a plasma) Absorption of water present in the duct 13 Question 25 (1 point) Five groups of three lasers are listed below. Which group is listing three lasers that can be used to...
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 23 (1 point) A lesion on skin has been identified. You want to generate a photochemical reaction on this region. Assume that the lesion is concentrated with hematoporphyrin derivative (HPD). What is the best method for triggering the photochemical reaction in the lesion? Expose the tumour directly with an Nd:Yag laser emitting at 2 = 1um Insert diffusers into the lesion in order to scatter red light at 2 - 633 nm in all directions 13 Use an Argon...
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)...
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