Define pathogen - Study guides, Class notes & Summaries

Bio-safety Course Questions and Answers with Complete Solutions **Mycobacterium tuberculosis, a human pathogen transmitted via inhalation, with a low infectious dose and potential for severe disease, including mortality, belongs to which Risk Group?** **Correct Answer:** Risk Group 3 **How many distinct Risk Groups are established to classify pathogen severity and serve as the starting point for risk assessments?** **Correct Answer:** Four **Which Risk Group includes pathogens like Eb...

Define "immunity" - ️️The state of being resistant to reinfection with a pathogen What happens to a pathogen as it becomes attenuated? - ️️It has weakened virulence Which of the following is the BEST example of herd immunity? - ️️A child infected with measles travels from Germany to the USA. Several babies contract the disease, but the outbreak is largely contained due to vaccinations. Which of the following diseases does NOT currently have an effective vaccine? A) Chic...

ENWC 201 Midterm Textbook Questions With Verified Answers Define lifelong monogamy Individuals pair with a single mate for that breeding season and for all other seasons as long as they are both alive Define serial monogamy It is a specific case of monogamy where individuals pair with only a single mate during a breeding season, but that mate changes during each season. How do desert species minimize water loss? Animals can minimize water loss by reducing water content of fece...

WGU D311 Microbiology 2024 study for OA Verified A+ Explain the primary role of microbes in the environment. ️️ Microbes play a critical role in decomposing organic matter, cycling nutrients, and supporting ecosystems by maintaining soil health and promoting plant growth. Define the term "pathogen." ️️ A pathogen is a microorganism that causes disease in its host, which can be an animal, plant, or human. What is the function of an endospore in bacteria? ️️ An en...

HOSA CPR/First Aid Questions and Answers Already Passed How many breaths and compressions do you perform for each cycle of CPR? 2 breaths and 30 compressions How do you treat a cut / gash on a person's arm? With clean dressing, put gauze pads on the cut. Hold for 1 minute and state that you are holding for 1 minute. If bleeding continues, place more clean gauze pads and hold 1 more minute with more pressure. Bleeding should subside. Wrap arm with some kind of bandage to maintain ...

How did Jenner demonstrate concept of vaccination? - He developed vaccination for smallpox by inoculating individuals with cowpox (creating immunity for smallpox) How does understanding microorganisms help us? - helps use prevent food spoilage, prevents disease occurrences, and we can better understand how aseptic techniques can be used to prevent contamination and infection Define microorganisms - organisms that are too small to be be seen with the unaided eye How do microorganisms benefi...

Select all the statements that are the most applicable to the design criteria of intersections: a) Provide enough sight distance for incoming and outgoing vehicles b) Minimize stop times as it leads to higher noise levels c) provide safe pedestrian crossing d) avoid steep grades and sharp curves that will negatively affect acceleration and deceleration rates - Answer-a) Provide enough sight distance for incoming and outgoing vehicles c) provide safe pedestrian crossing d) avoid steep grad...

WI Pesticide Applicator Test Questions and Answers Graded A+ Define plant disease and what causes disease. Plant disease is any harmful change in the physiology and/or structure of a plant caused by the continuous irritation of a primary causal agent (pathogen). List examples of plant pathogens. 1. Fungi 2. Oomycetes 3. Nematodes 4. Bacteria 5. Viruses 6. Phytoplasmas 7. Viroids How is fungi spread? Wind, rain splash, or insect vectors How is Oomycetes spread? Wind, rain...

AAPD QE Exam Questions With 100% Correct Answers How do plaques from caries-active subjects and caries-free subjects compare? a. Caries-free plaques have significantly higher proportions of Mutans Strep b. In the caries-active plaques, pH levels of 5.0 or lower may persist for several hours after sugar exposure. c. Non-cariogenic plaques per unit of plaque protein are slightly more acidogenic than cariogenic plaques. d. Streptococcus salivarius of only the caries-active plaques readily c...

The diaphragm is a system of muscles that allows ....? - ANS Breathing A convex mirror ... light waves, A convex lens ... light waves. - ANS Diverges Converges The state of matter occurring at lower temperatures is the ... state - ANS Solid What is the difference bw physical change and chemical change? - ANS A physical change may alter the form, size or shape of matter; a chemical change alters its molecules. Put these in order to describe how blood flows from the heart to ...