Answer These Microbiology Terms Quiz

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1. Blood agar isa. selectiveb. differentialc. enrichedd. a and b.

Explanation

Blood agar is both selective and differential. It is selective because it contains nutrients that encourage the growth of specific types of bacteria, and it is differential because it can differentiate between bacteria based on their ability to hemolyze (break down red blood cells) on the agar.

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About This Quiz
Answer These Microbiology Terms Quiz - Quiz

This interactive learning tool focuses on identifying and understanding Gram Positive Cocci, crucial for students and professionals in microbiology. It enhances diagnostic skills and comprehension of bacterial classification,... see morevital for clinical and laboratory settings. see less

2. Is MacConkey agar selective, differential, enriched, or both selective and differential?

Explanation

MacConkey agar is both selective and differential. It is selective because it contains bile salts and crystal violet to inhibit the growth of Gram-positive bacteria and enrich the growth of Gram-negative bacteria. It is also differential because it contains lactose and pH indicator that allows for differentiation of lactose-fermenting (pink colonies) and non-lactose fermenting bacteria (colorless colonies).

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3. Urine cultures usually use which agars?

Explanation

Urine cultures may use Blood Agar Plate (BAP), Columbia CNA Agar (CNA), and MacConkey Agar depending on the purpose of the culture and the organisms being tested for. Hence, the correct answer is all of the above.

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4. What does the BAP plate read?

Explanation

The correct answer indicates the presence of both BAP and beta-lactamase, while the incorrect answers provide different combinations that do not match the plate reading.

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5. What is the interpretation of a CNA plate with a result of CNA 4+ beta?

Explanation

In microbiology, a CNA plate with a result of CNA 4+ beta indicates a heavy growth of beta-hemolytic Streptococci on the plate. The presence of 4+ beta signifies a high concentration of these bacteria, which can be clinically significant depending on the context of the specimen being tested.

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6. What does the MacConkey Plate specify?

Explanation

The MacConkey Plate is a selective growth medium used in microbiology to differentiate between different types of bacteria. The correct answer 'MAC NG' stands for MacConkey Agar with no growth.

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7. What is the next step in the process?

Explanation

Gram stain is the common next step in the process to determine the gram reaction of a bacterial sample, which helps in classification and identification of bacteria based on their cell wall composition.

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8. What is the correct abbreviation for the given phrase GS?

Explanation

The correct abbreviation for GS is GPC CH, as indicated in the question.

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9. What does the BAP plate result indicate?

Explanation

This question is testing knowledge of interpreting BAP plate results, with the correct answer indicating a positive presence of both aerobes and facultative anaerobes on the plate.

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10. What does the CNA plate read as?

Explanation

The correct reading on the CNA plate is 'CNA 4+ alpha', indicating the presence of alpha hemolysis.

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11. What does the MAC plate read?

Explanation

The correct answer is 'MAC NG' as it is the exact wording on the plate. The incorrect answers have slight variations in the spelling of the first word which changes the meaning entirely.

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12. What is the most likely identification for this gram stain?

Explanation

The correct identification for this particular gram stain is GP diplococci, based on the description provided.

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13. What is the correct instruction for this BAP plate?

Explanation

The correct instruction on the BAP plate is to place the disc and send the plate to ID/Sens for further testing.

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14. What does the BAP plate show?

Explanation

The correct answer refers to a blood agar plate showing 4+ growth with swarming behavior. The incorrect answers describe different types of agar plates with varying characteristics.

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15. What does the abbreviation 'CNA' stand for on this plate?

Explanation

The correct abbreviation on the plate is 'CNA NG', which stands for Certified Nursing Assistant - Next Gen.

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16. What do you do next?

Explanation

The correct answer 'GS' is likely an abbreviation or code for a specific action in a certain context, while the incorrect answers do not seem to be relevant or logical choices based on the question.

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17. What is the code for BAP 2+ grey?

Explanation

The correct code for BAP 2+ grey is specifically mentioned in the prompt, making it the correct answer. The incorrect answers are variations that do not match the given BAP code.

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18. What does the CNA plate read?

Explanation

The correct sequence of letters on the CNA plate is 'CNA NG', where 'CNA' is followed by the letters 'NG'. The incorrect options provided have different letter sequences that do not match the correct answer.

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19. What does the MAC plate indicate?

Explanation

The MAC plate indicates the presence of MacConkey Agar (MAC), which is a selective and differential agar medium used for the isolation of gram-negative bacteria. In this case, the plate shows the presence of MacConkey Agar with the absence of lactose fermentation (lac -) as indicated by the lack of color change, and the presence of non-lactose fermenting bacteria (MAC 4+).

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20. What is the next step?

Explanation

In this context, 'GS' likely refers to a specific action or instruction that is relevant to the situation at hand. The incorrect answers ('123', 'ABC', 'XYZ') do not align with the expected response based on the question.

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21. What does GS stand for?

Explanation

The correct answer is GNR, which stands for 'Great Solution'. The other options, GBT, GFS, and GMS, are not the correct interpretations of GS in this context.

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22. Is chocolate agara. selectiveb. differentialc. enrichedd. a and b.

Explanation

Enriched chocolate refers to chocolate that has been enhanced or fortified with additional nutrients or ingredients, while selective and differential do not accurately describe chocolate in this context. Option a and b together do not provide a valid description for chocolate.

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23. Which enzyme is responsible for breaking down hydrogen peroxide into water and oxygen?

Explanation

Hydrogen peroxide is broken down into water and oxygen by the enzyme catalase. Amylase, Lipase, and Pepsin are enzymes responsible for breaking down starch, fats, and proteins, respectively, not hydrogen peroxide.

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24. What is the next step when encountering CAT negative findings?

Explanation

When faced with CAT negative findings, the next step is to consider Group strep testing to further investigate the cause.

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25. What will the result likely be?

Explanation

The correct answer is GBS, as it is the likely result of the scenario. The incorrect answers provided are not relevant to the question.

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26. Do you typically send this for an ID and Sensitivity test?
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27. What do you do next if CAT neg?

Explanation

When CAT test is negative, it is important to follow up with replating on BAP with "P" disk (optichin) and incubating for 24 hours to test for Strep Pneumo. The other options do not address the specific protocol for this scenario.

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28. Read this MAC plate.

Explanation

In this case, the correct answer represents the growth of Escherichia coli on MacConkey Agar (MAC) plate with 3+ colonies present and lactose fermentation negative (-), which is a common result when identifying bacteria in microbiology.

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29. What does GNR stand for in reference to a gram stain?

Explanation

In gram staining, GNR stands for Gram-Negative Rods, which indicate the presence of bacteria that are gram-negative and rod-shaped.

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30. What should be the next step in this scenario?

Explanation

The correct next step in this scenario is to send the organism to ID/Sens for further identification and sensitivity testing based on the negative oxidase test result and the observed swarming appearance, which is indicative of Proteus species.

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Blood agar isa. selectiveb. differentialc. enrichedd. a and b.
Is MacConkey agar selective, differential, enriched, or both selective...
Urine cultures usually use which agars?
What does the BAP plate read?
What is the interpretation of a CNA plate with a result of CNA 4+...
What does the MacConkey Plate specify?
What is the next step in the process?
What is the correct abbreviation for the given phrase GS?
What does the BAP plate result indicate?
What does the CNA plate read as?
What does the MAC plate read?
What is the most likely identification for this gram stain?
What is the correct instruction for this BAP plate?
What does the BAP plate show?
What does the abbreviation 'CNA' stand for on this plate?
What do you do next?
What is the code for BAP 2+ grey?
What does the CNA plate read?
What does the MAC plate indicate?
What is the next step?
What does GS stand for?
Is chocolate agara. selectiveb. differentialc. enrichedd. a and b.
Which enzyme is responsible for breaking down hydrogen peroxide into...
What is the next step when encountering CAT negative findings?
What will the result likely be?
Do you typically send this for an ID and Sensitivity test?
What do you do next if CAT neg?
Read this MAC plate.
What does GNR stand for in reference to a gram stain?
What should be the next step in this scenario?
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