chemical(s) best at inhibiting both Gram- negative and Gram-positive bacteria [Choose ] [Choose ] chemical least effective at inhibiting both bleach and iodine bacteria lab disinfectant chemical which is a combination of an alcohol and a halogen Lysol 1:10 freshly diluted bleach Tincture of lodine chemical recommended by CDC for decontamination of surfaces contaminated with blod possibly carrying HIV/Hepatitis B or C viruses soap chemical(s) which are halogens, powerful oxidizing agents [ Choose] phenolic [Choose] surfactant, quaternary ammonium [Choose ] >

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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**Chemicals and Their Uses in Inhibiting Bacteria: An Overview**

1. **Chemical(s) Best at Inhibiting Both Gram-negative and Gram-positive Bacteria:**
   - Options: Bleach and iodine, lab disinfectant, Lysol, 1:10 freshly diluted bleach, tincture of iodine, soap.

2. **Chemical Least Effective at Inhibiting Both Bacteria:**
   - Options: Same as above.

3. **Chemical Which is a Combination of an Alcohol and a Halogen:**
   - Options: Same as above.

4. **Chemical Recommended by CDC for Decontamination of Surfaces Contaminated with Blood Possibly Carrying HIV/Hepatitis B or C Viruses:**
   - Options: Same as above.

5. **Chemical(s) Which are Halogens, Powerful Oxidizing Agents:**
   - Options: Same as above.

6. **Phenolic:**
   - Options: Not specified in the image.

7. **Surfactant, Quaternary Ammonium:**
   - Options: Not specified in the image.

This interactive dropdown list is designed to test knowledge on chemical agents used for bacterial inhibition and disinfection, with a focus on their specific applications, compositions, and efficacy recommended by health authorities.
Transcribed Image Text:**Chemicals and Their Uses in Inhibiting Bacteria: An Overview** 1. **Chemical(s) Best at Inhibiting Both Gram-negative and Gram-positive Bacteria:** - Options: Bleach and iodine, lab disinfectant, Lysol, 1:10 freshly diluted bleach, tincture of iodine, soap. 2. **Chemical Least Effective at Inhibiting Both Bacteria:** - Options: Same as above. 3. **Chemical Which is a Combination of an Alcohol and a Halogen:** - Options: Same as above. 4. **Chemical Recommended by CDC for Decontamination of Surfaces Contaminated with Blood Possibly Carrying HIV/Hepatitis B or C Viruses:** - Options: Same as above. 5. **Chemical(s) Which are Halogens, Powerful Oxidizing Agents:** - Options: Same as above. 6. **Phenolic:** - Options: Not specified in the image. 7. **Surfactant, Quaternary Ammonium:** - Options: Not specified in the image. This interactive dropdown list is designed to test knowledge on chemical agents used for bacterial inhibition and disinfection, with a focus on their specific applications, compositions, and efficacy recommended by health authorities.
Below are the results of our disc diffusion study using antiseptics and disinfectants. Use the results to answer the following questions:

|                       | 1:10 diluted bleach (BL) | Lab Disinfectant (DIS) | Isopropanol (ISP) | Lab soap (SO) | Lysol (LYS) | Tincture of iodine (T of I) |
|-----------------------|--------------------------|------------------------|------------------|--------------|------------|-----------------------------|
| Diameter in mm of zone of inhibition |                          |                        |                  |              |            |                             |
| *E. coli*              | 40 mm                    | 20 mm                  | 10 mm            | 5 mm         | 15 mm      | 60 mm                       |
| *Bacillus cereus*      | 50 mm                    | 35 mm                  | 15 mm            | 8 mm         | 20 mm      | 70 mm                       |

This table presents the diameter, in millimeters, of the zone of inhibition for two bacteria, *E. coli* and *Bacillus cereus*, when exposed to various antiseptics and disinfectants. A larger diameter indicates a greater effectiveness of the antiseptic or disinfectant in inhibiting bacterial growth.
Transcribed Image Text:Below are the results of our disc diffusion study using antiseptics and disinfectants. Use the results to answer the following questions: | | 1:10 diluted bleach (BL) | Lab Disinfectant (DIS) | Isopropanol (ISP) | Lab soap (SO) | Lysol (LYS) | Tincture of iodine (T of I) | |-----------------------|--------------------------|------------------------|------------------|--------------|------------|-----------------------------| | Diameter in mm of zone of inhibition | | | | | | | | *E. coli* | 40 mm | 20 mm | 10 mm | 5 mm | 15 mm | 60 mm | | *Bacillus cereus* | 50 mm | 35 mm | 15 mm | 8 mm | 20 mm | 70 mm | This table presents the diameter, in millimeters, of the zone of inhibition for two bacteria, *E. coli* and *Bacillus cereus*, when exposed to various antiseptics and disinfectants. A larger diameter indicates a greater effectiveness of the antiseptic or disinfectant in inhibiting bacterial growth.
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