| 1 |
What is hybrid micellar liquid chromatography primarily used for in the study?
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To detect commonly used pesticides in vegetables. |
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7 |
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-.25
+.25
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| 2 |
Which pesticide was found most commonly in the vegetable samples?
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Chlorpyrifos |
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The study reported chlorpyrifos as the most commonly detected pesticide in vegetable samples, reflecting its widespread use in agriculture and potential concerns regarding residue in food. |
monitoring pesticide residues |
7 |
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| 3 |
What percentage of the vegetable samples tested were found to contain no detectable pesticides?
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8% |
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7 |
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-.25
+.25
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-35%
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+35%
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| 4 |
Which of the following is NOT a reason for the use of hybrid micellar liquid chromatography (HMLC)?
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It is a green analytical method. |
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7 |
-.50
-.25
+.25
เต็ม
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| 5 |
What was the primary methodological change in the HMLC technique used in the study?
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Use of a micellar mobile phase with reduced solvent usage. |
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7 |
-.50
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| 6 |
According to the study, why might vegetable growers prefer other pesticides over Imidacloprid (ICP)?
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ICP has a higher environmental impact. |
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7 |
-.50
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เต็ม
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| 7 |
What is the major benefit of using ICP as a pesticide, according to the study?
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It is more effective than any other pesticide. |
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7 |
-.50
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-35%
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| 8 |
What aspect of the pesticide detection method was focused on during the method validation phase?
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Ensuring it can detect extremely low pesticide levels. |
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7 |
-.50
-.25
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-35%
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| 9 |
Considering the environmental impacts discussed, why is the HMLC method considered 'green'?
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It utilizes a high volume of solvents for better results. |
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7 |
-.50
-.25
+.25
เต็ม
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| 10 |
What is the importance of the photodiode array detector in the HMLC technique used in the study?
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It detects the presence of pesticides across a spectrum of wavelengths. |
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7 |
-.50
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| 11 |
What is hyperthermia commonly used to treat?
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Cancer |
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Hyperthermia therapy involves heating body tissues to damage and kill cancer cells or make them more sensitive to radiation or chemotherapy.
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the principle of using controlled heat to target abnormal cells |
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| 12 |
Which method is used to apply heat directly to a tumor in local hyperthermia?
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Microwaves |
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7 |
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| 13 |
What is the primary benefit of using hyperthermia in cancer treatment?
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It kills cancer cells with minimal damage to normal cells. |
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7 |
-.50
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| 14 |
Hyperthermia is often used in combination with which of the following treatments?
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Radiotherapy and chemotherapy |
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7 |
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| 15 |
What is the main challenge of using hyperthermia in cancer treatment?
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Reaching and maintaining the required temperature in the target area. |
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7 |
-.50
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-35%
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| 16 |
Which type of hyperthermia involves heating a larger region or the whole body?
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Intracavitary hyperthermia |
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| 17 |
What type of hyperthermia uses applicators inserted into or near a body cavity to deliver heat?
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Whole-body hyperthermia |
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7 |
-.50
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| 18 |
What is a significant potential side effect of whole-body hyperthermia?
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Systemic stress affecting major organs |
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7 |
-.50
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เต็ม
0
-35%
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+35%
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| 19 |
Considering the physics of heat transfer, why is controlling hyperthermia challenging during treatment?
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Heat treatment requires continuous power supply which is not feasible in medical settings. |
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7 |
-.50
-.25
+.25
เต็ม
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+35%
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| 20 |
Why is hyperthermia considered a beneficial adjunct to radiotherapy and chemotherapy?
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It makes cancer cells more susceptible to other treatments. |
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7 |
-.50
-.25
+.25
เต็ม
0
-35%
+30%
+35%
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