For the gram stain method Study guides, Class notes & Summaries
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MLT ASCP Practice Questions With Correct Answers
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A; 
Animals serve as a reservoir of infection" is the correct answer because Shigella only infects humans while Salmonella is found in many animals. Both have diarrhea as the major symptom. Endotoxin is produced by all gram negative bacteria and exotoxin is only produced by Shigella. 
A major difference between Salmonella enterica and Shigella infections is that only in salmonellosis can: 
 
A. animals serve as a reservoir of infection 
B. diarrhea become the major symptom 
C. endotoxin play a ...
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ARF Board Review Questions with solutions 2024
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ARF Board Review Questions with solutions 2024 
Which method of stain removal is indicated for patients with dental implants? 
Air polishing 
 
 
 
The hazardous waste manual contains documents about all chemicals used in the clinic and the MSDS contains information about all products used in the clinic (T/F) 
TRUE 
 
 
 
Which power scaler operates in the range of 20,000-45,000 cycles per second? 
Ultrasonic 
 
 
 
The best way to determine if instruments are completely sterilized is to check t...
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MLPAO Exam Set| 995 Questions| Correct Answers!!
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Which of the following is the counterstain for the gram stain method? 
- crystal violet 
- safranin 
- acetone-alcohol 
- iodine 
- gentian-violet - ANSWER safranin 
 
Most fixatives act by: 
- precipitating calcium ions in cells 
- precipitating cell wall 
- precipitating carbohydrates in cells 
- precipitating enzymes in the cells 
- none of the above - ANSWER precipitating cell wall 
 
A Westergren tube is used for which test procedure? 
- prothrombin time 
- hematocrit 
- platelet coun...
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MLPAO Exam Set Questions with Correct Answers
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MLPAO Exam Set Questions with Correct Answers 
 
 
A patient being tested for fecal occult blood should not eat foods containing: - Answer-No red meat and & excess vitamin C. 
 
Which of the following is the counterstain for the gram stain method? 
- crystal violet 
- safranin 
- acetone-alcohol 
- iodine 
-gentian-violet - Answer-Safranin 
 
Most fixatives act by: 
- precipitating calcium ions in cells 
- precipitating cell wall 
- precipitating carbohydrates in cells 
- precipitating enzyme...
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NWHSU Microbiology Midterm Questions and Answers Fully Solved
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NWHSU Microbiology Midterm Questions and Answers Fully Solved 
Which are cellular etiologic agents of infectious disease? 
Bacteria, fungi, protozoa, helminths (worms) 
 
 
 
Which are a-cellular etiologic agents of infectious disease? 
Viruses and prions 
 
 
 
 
Brainpower 
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Which groups of microorganisms are eukaryotic/prokaryotic? 
Eukaryotic: fungi, protozoa, helminths (worms) 
Prokaryotae: bacteria 
 
 
 
Name major differences between eukaryotic and prokaryotic cells. 
Eukaryoti...
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MLPAO EXAM SET WITH GUARANTEED ACCURATE ANSWERS
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MLPAO EXAM SET WITH GUARANTEED ACCURATE ANSWERS 
 
Which of the following is the counterstain for the gram stain method? 
- crystal violet 
- safranin 
- acetone-alcohol 
- iodine 
- gentian-violet - correct answerssafranin 
 
Most fixatives act by: 
- precipitating calcium ions in cells 
- precipitating cell wall 
- precipitating carbohydrates in cells 
- precipitating enzymes in the cells 
- none of the above - correct answersprecipitating cell wall 
 
A Westergren tube is used for which t...
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Straighterline Microbiology Lab BIO250L Lab 3 Structure & Microscopy (New Version Updated 2024/2025)
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Straighterline Microbiology Lab BIO250L Lab 3 Structure & Microscopy (New Version Updated 2024/2025) Pre-lab Questions 
1. In this lab, you will conduct three experiments. What is the ultimate goal of those experiments 
in the context of this lab? What learning outcomes do you think this lab is attempting to convey 
with them? 
The objectives of the three lab experiments—Simple Staining, Gram Staining, and Negative 
Staining—is to give students practical experience and a thorough grasp of ba...
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Microbiology Lab Review Questions with Certified Answers
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Microbiology Lab Review Questions with Certified Answers 
Explain why the body tube of the microscope should not be lowered while you are looking through the ocular lens. to ensure that the slide or lens is not broken 
For what purpose would you adjust the Iris diaphragm? adjust the amount of light coming through the specimen 
For what purpose would you adjust the course-adjustment knob? to bring the specimen into view 
For what purpose would you adjust the fine adjustment knob? to bring the spe...
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AAB MT Microbiology |215 questions with 100% correct answers
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What term describes the morphology of organisms that vary in shape and size? 
Pleomorphic 
 
 
 
Capsules are the basis of which test? 
Serotyping 
 
 
 
A mucoid colony on blood agar medium indicates that which of the following characteristics may be present? 
Organism has a capsule. 
 
 
 
What are dark staining granules called? 
Metachromatic 
 
 
 
Which of the following organisms are non-motile? 
Shigella and Klebsiella 
 
 
 
In the bacterial growth cycle, growth ceases because nutrients a...
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MT AAB Study guide quizlet cards| 1764 questions and answers 2023.
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What term describes the morphology of organisms that vary in shape and size? 
Pleomorphic 
 
i.e. coccobacilli 
 
 
 
Bacteriology arrangements: 
-pairs (diplococci "N. Gon"; diplobacilli 
-chains (streptococci, streptobacilli) 
-grape like clusters (staphylococci) 
-group of four-tetrads (peptococcus) 
-packets of eight-cuboidal (sarcina) 
-palisades (corneybacterium) 
 
 
 
Capsules are the basis of which test? 
serotyping 
 
and identification (capsules are antigenic); they are observed usi...
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