For the gram stain method Study guides, Class notes & Summaries

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 ...

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...

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...

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...

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 Read More Which groups of microorganisms are eukaryotic/prokaryotic? Eukaryotic: fungi, protozoa, helminths (worms) Prokaryotae: bacteria Name major differences between eukaryotic and prokaryotic cells. Eukaryoti...

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...

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...

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...

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...

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...