Define pathogen - Study guides, Class notes & Summaries

List the major structures of the lymphatic system. - Tonsils, spleen, nodes, lymph vessels, thymus (not thyroid) What are the three things required for an infection to occur? - Pathogen, host, mode of transmission List and describe the six links of the chain of infection. - Pathogen - organism that causes disease Reservoir - a place for the pathogen to multiple Place of exit - how the pathogen leaves the reservoir Method of transmission- how the pathogen travels to a new host Portal of ...

MBLEX: Hygiene and Sanitation Questions and answers, rated A+/ VERIFIED/ Define the term: Housekeeping - Daily or weekly chores that maintain general cleanliness office or massage facilities When the immune system malfunctions and starts to treat normal body cells and tissue like an infectious agent, it's called? - An autoimmune disease When the normal cells mutate and begin to replace uncontrollably, it is called? - Cancer Define the term: Disinfectant - Stronger than antiseptics, n...

Pathogens that may infect mammals can include fungi, bacteria, viruses as well as large, multi-cellular organisms such as ~~> helminths The first phase of an immune response is known as as the innate response with the second phase called the ~~> acquired/adaptive The acquired phase is specific and relies on the detection of infectious agents using ~~> .receptors expressed by lymphocytes The process by which enough cells expressing receptors for the correct pathogen is know...

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...

Pathogen correct answers a disease-producing microorganism Microorganism correct answers a microscopic plant or animal Microorganism Examples and growth requirements correct answers proper nutrition, Oxygen, temperature (most 98.6), darkness, moisture, PH (most prefer neutral) Nonpathogen correct answers A microoorganism that does not normally produce disease. Microbiology correct answers The scientific study of microorganisms and their activities. Define optimal growth temperatur...

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...

FCCS Exam Review Questions and answers, rated A+ What is the first indicator of critical illness - Tachypnea Evidence of decreased perfusion include? - AMS, Urine output, skin temperature DIRECT - Detection, intervention, Reassessment, effective communication, teamwork Late sign of circulatory demise - hypotension Important indicator of critical illness - Metabolic acidosis -> lactacte measurement -> anaerobic metabolism What does metabolic acidosis suggest? - hypo perfusion 1st...

Immunology Exam 1 With Questions And 100% Correct Answers What are two examples of phagocytes? Neutrophils (PMN-polymorpho nuclear) and Macrophages (MO) True or false: Monocytes are precursors of macrophages. True. Monocytes are found in blood but when they move into tissues, they are macrophages. What cells are important for parasite control, allergy, and inflammation? 1. mast cell (release histamine when activated) 2. eosinophil (similar function as mast cell but arrive at scene...

The concept of treating all samples, whether known or unknown, as potentially hazardous (or pathogenic) materials is known as _____. - Answer-universal precautions List at least 3 observations a researcher would be sure to note while assessing an unknown microbial sample. - Answer-size and shape, motility, gram status, color change, chemical reactions While observing an unknown sample of limited amounts, a researcher must determine motility and Gram status using the same sample. What would ...

HOSA CPR/First Aid Exam Questions and Answers 100% Pass How many breaths and compressions do you perform for each cycle of CPR? - Answer- 2 breaths and 30 compressions How do you treat a cut / gash on a person's arm? - Answer- 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 bandag...