Microbiology Quiz Questions! Trivia Test

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About This Quiz
Microbiology Quiz Questions! Trivia Test - Quiz

Microbiology is the study of microscopic organisms on earth, their importance in everyday life, and the processes they undergo on a regular. This quiz is designed for people majoring in this field and wants to test their understanding as well as refresh their memory. How about you give it a... see moretry and see how much revision you might need. see less

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6. Drying hands should take ___ seconds.

Explanation

The given answer of 12 seconds suggests that the appropriate amount of time required to dry hands is 12 seconds. This could be based on research or recommendations from experts in hygiene and hand drying techniques. It is important to ensure that hands are thoroughly dried to prevent the spread of germs and maintain good hygiene.

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9. When only one dye is used so all cells stain the same color.

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A simple stain is a staining technique in which only one type of dye is used to color all the cells in a sample. This results in all the cells staining the same color, providing a uniform appearance. This technique is commonly used to visualize the basic morphology and arrangement of cells.

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10. The stain used to determine the cell morphology of an unknown bacterium.

Explanation

A negative stain is used to determine the cell morphology of an unknown bacterium. In a negative stain, the background is stained while the bacteria remain unstained. This allows for better visualization of the bacterial cells under a microscope. The negative stain technique is particularly useful for observing bacteria with delicate or easily distorted cell structures, as it does not involve heat fixation or harsh chemical treatments that can alter the morphology of the cells.

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12. Aseptic - ____ infection of the blood.

Explanation

The word "aseptic" means without infection, specifically referring to the absence of microorganisms that can cause infection. In this context, "aseptic" describes the condition of the blood being free from any infection. Therefore, the correct answer is "without."

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13. Washing hands should take a minimum of  _____ seconds.

Explanation

Washing hands should take a minimum of 15 seconds because this is the recommended duration by health experts to effectively remove dirt, germs, and bacteria from the hands. Washing for less than 15 seconds may not be sufficient to thoroughly clean the hands and reduce the risk of spreading infections.

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15. The bacteria are mixed with the dye and then spread out on a slide so the background is colored and the cells are clear.

Explanation

In negative staining, the dye used has a negative charge, which is repelled by the negatively charged bacterial cell walls. Therefore, the dye does not penetrate the cells and instead colors the background, making the cells appear clear or transparent. This technique is useful for visualizing the size, shape, and arrangement of bacterial cells, as the cells stand out against the colored background.

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16. The appearance of bacterial cells under the microscope.

Explanation

The term "cell morphology" refers to the physical characteristics and structure of a cell, which can be observed under a microscope. This includes the shape, size, and arrangement of the bacterial cells. By studying cell morphology, scientists can gain insight into the identity and behavior of bacteria, as different species may have distinct morphological features. This information is crucial for various fields, such as microbiology and medical diagnostics, as it helps in identifying and classifying bacteria.

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17. Species that show great variation in shape and size.

Explanation

Pleomorphic is the correct answer because it refers to species that display a wide range of shapes and sizes. This term is commonly used in biology to describe organisms that exhibit significant variation in their physical characteristics. It implies that within a single species, individuals can have different forms and sizes, which may be influenced by genetic factors, environmental conditions, or other factors.

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18. Aseptic techniques used for 2 reasons - prevent ____ of microorganisms to people or environment and prevent _______ with extraneous organisms.

Explanation

Aseptic techniques are used to prevent the transfer of microorganisms to people or the environment and to prevent contamination with extraneous organisms. These techniques involve maintaining a sterile environment, using sterile equipment and materials, and following proper hand hygiene practices. By implementing aseptic techniques, the risk of spreading harmful microorganisms is minimized, ensuring the safety of individuals and maintaining the integrity of the environment or products being handled.

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20. Sequence for donning personal protective equipment glove gown mask goggles.

Explanation

The correct answer is "gown mask goggles gloves". This sequence is the correct order for donning personal protective equipment. The gown is worn first to protect the body, followed by the mask to cover the nose and mouth. The goggles are then worn to protect the eyes, and finally, the gloves are put on to cover the hands. This sequence ensures that the most critical areas are protected first, minimizing the risk of contamination.

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21. 3 basic shapes of bacteria.

Explanation

The answer provided lists three basic shapes of bacteria: cocci, rods/bacilli, and spirilla. Cocci are spherical or oval-shaped bacteria, while rods/bacilli are elongated and cylindrical. Spirilla, on the other hand, are spiral-shaped bacteria. These three shapes represent the most common forms of bacteria, and understanding their shape is important in identifying and classifying different bacterial species.

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22. Sequence for removing protective equipment goggles gown mask gloves.

Explanation

The correct answer is gloves goggles gown mask because when removing protective equipment, it is important to start with the gloves first to prevent any contamination on the hands. Then, the goggles should be removed to avoid any splashes or spills from reaching the eyes. After that, the gown should be taken off, followed by the mask, ensuring that the face is not touched during the process to minimize the risk of infection.

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  • Sep 13, 2012
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Drying hands should take ___ seconds.
When only one dye is used so all cells stain the same color.
The stain used to determine the cell morphology of an unknown...
Aseptic - ____ infection of the blood.
Washing hands should take a minimum of  _____ seconds.
The bacteria are mixed with the dye and then spread out on a slide so...
The appearance of bacterial cells under the microscope.
Species that show great variation in shape and size.
Aseptic techniques used for 2 reasons - prevent ____ of microorganisms...
Sequence for donning personal protective equipment...
3 basic shapes of bacteria.
Sequence for removing protective equipment goggles gown mask gloves.
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