- Study guides, Class notes & Summaries

Quiz 1-# 1[True or False?] It is acceptable to pick up a test tube by its cap. - FALSE Some caps are VERY loose. If you pick up a test tube by its cap, and the cap is loose, the entire glass test tube can fall to the floor and shatter. This would result in glass shards flying as well as a potentially bio-hazardous situation (if there was a culture in the tube). Quiz 1-# 2[True or False?] Food and drinks are NEVER allowed in the laboratory. - True Quiz 1-# 3[True or False?] True Sandals or o...

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23 pages

Written in 2023/2024

Grade A+

ExamsCollection

Signs of disease - Objective and measurable; can be directly observed Symptoms of disease - Subjective; felt or experienced by the patient Infectious disease - is caused by direct effect of a pathogen ex. meningitis Communicable infectious disease - infectious disease that can be spread from person to person example: Neisseria gonorrhoeae Contagious infectious disease - infectious, communicable disease that spread easily

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17 pages

Written in 2023/2024

Grade A+

ExamsCollection

Micro 260 Exam 2, LCC Comprehensive Questions with 100% CORRECT Answers

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14 pages

Written in 2024/2025

Grade A+

Teachme2oo

MICRO 260 EXAMS BUNDLE-Questions with Correct Answers/ Latest Update/ Complete And Accurate / 100% Pass

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10 items

ExamsCollection

The scientific study of disease - pathology. The study of the cause of disease - etiology. The growth of microorganisms in the body, the invasion or colonization of the body by pathogenic microorganisms - infection. An abnormal state in which part or all of the body is not properly adjusted or is incapable of performing normal functions; any change from a state of health - disease. The microorganisms that colonize a host without causing disease - normal microbiota also called normal flora...

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28 pages

Written in 2023/2024

Grade A+

ExamsCollection

from the results, about how many organisms/ml can be in a clear broth without showing any sign of turbidity? - MANY what are two sources of error in this procedure? - There are many potential sources of error. Examples include: incorrect measuring of the sample or diluent; insufficient mixing; not switching pipettes between each step of the serial dilution; contamination because of poor sterile technique; or inadequate mixing of sample and molten agar in the Petri dish. if you serially dil...

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2 pages

Written in 2023/2024

Grade A+

ExamsCollection

which organisms could not grow on the glucose salts medium? which organisms could grow on it? - Staphylococcus is the only organism that cannot grow on the GSA. On ocassion, other cultures will happen to develop a mutation fr a nutritional requirement, preventing their growth on the GSA as well though this is rare. which organisms do not require any growth factors? - organisms that can grow on glusose salts do not require growth factors. organisms that grow well on TSA plates but not GSA p...

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2 pages

Written in 2023/2024

Grade A+

ExamsCollection

Which of the following is a correct way to express a measurement that has two significant digests? a. 0.030 b. .030 c.. 0.03 d. .03 - 0.030 Which of the following is the correct way to express the number 67001 in scientific notation a. 6.7 x 10^-4 b. 6.7001 x 10^-4 c. 6.7 x 10 ^4 d. 6.7001 x 10^4 - 6.7001 x 10^4 A patient's vaginal area has become infected such her secretions are now basic. This means the pH has? a. Must be below 3 b. Must be above 9 c. Increased d. Decreased e...

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19 pages

Written in 2023/2024

Grade A+

ExamsCollection

What is the study of fungi - Mycology Which of the following is not a domain in the three-domain system? bacteria animalia archea Eukarya - Animalia A unicellular organism which lives in a hot sulfur vent on the ocean floor and lacks peptidoglycan in it's cell wall would belong to the domain - Archaea Who was credited with first describing living microorganisms - Anton Van Leeunwenhoek Some bacteria stain Gram-positive and others stain Gram-negative due to differences in the structur...

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14 pages

Written in 2023/2024

Grade A+

ExamsCollection

Staphylococcus aureus - Impetigo TSS food poisoning-gastroenteritis heat stable enterotoxin Streptococcus pyogenes (group A beta-hemolytic streptococci) - Necrotizing fasciitis pharyngitis Rheumatic fever Streptococcus pneumoniae - pneumonia otitis media sepsis and meningitis in babies not prevented by HIB vaccine

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23 pages

Written in 2023/2024

Grade A+

ExamsCollection

What type of plate did we use for the ubiquity lab? - Trypticase Soy Agar (TSA) Rich medium that will support the growth of many diverse organisms What organisms can you expect to grow at 37oC, at room temperature (25oC) - Organisms associated with warm-blooded animals like to grow around 37 because its approximately the body temperature of most animals. Organisms growing on associated with soil prefer room temperature. Why might organisms not grow on a TSA plate? - 1. May be obligate anae...

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12 pages

Written in 2023/2024

Grade A+

ExamsCollection

would you expect an obligate anaerobe to grow on a slant incubates aerobically? why? - No; oxygen inhibits the growth of obligate anaerobes. which kind of organism would you expect to grow both in the agar deep and on the slant? - Facultative anaerobes can grow both throughout deeps and on slants. This is also true of aerotolerant anaerobes. which kind of organisms can grow aerobically on the slants? - Obligate aerobes and facultative anaerobes. which of the 3 organisms you inoculated cou...

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2 pages

Written in 2023/2024

Grade A+

ExamsCollection