Organisms that lack chlorophyll and consist of reproductive spores and threadlike fibers represent what? (a) How are these toxins similar? The lymphatic system will play a role in defending the body against pathogens and maintaining a state of homeostasis. Ability to adhere to, colonize, or invade the host 3. *Autoimmune diseases can be genetic or environmental. Which of the following best describes the innate nonspecific immune system? The length of each rod is about the same: assume 55cm55 \mathrm{~cm}55cm. They use up nutrients and release wastes, preventing pathogenic bacteria from gaining a foothold. Universal response b. - 12838571. alexis1713 alexis1713 06/18/2019 Health Middle School answered Which of the following is a nonspecific defense against pathogens? IgG 2003-2023 Chegg Inc. All rights reserved. Since fungal infections are of a certain type of microorganism, areas o fhte that can be infected include all but which of the following? anaphylactic All of the following are effective strategies for preventing the common cold, except? Simgle-celled microscopic animals that realease enzymes or toxing that destroy cells are called what? Proper and regular hand washing is the key to the prevention of the spread of nosocomial infections, "According to the 2011 Tork Report, you come in contact with 300 surfaces every 30 minutes exposing you to ___________ germs! C. marinates the cut-up pieces of raw chicken in the . immediate allergic Ability to damage the host The characteristics of a pathogen that determine its virulence include which of the following? complement 35. Phospholipases are enzymes that do which of the following? Which of the following are small cell masses where protective cells are stored? True or false: (d) affinity. Section: 07.05, Which of the following is not an autoimmune disease? 15. They activate the complement system which punches holes in the invading pathogen. Imagine that a mutation in the gene encoding the cholera toxin was made. True b. The larval form of Schistosoma mansoni uses a __________ to help it gain entry through intact skin. Inactivate the gene so that fimbriae are no longer produced. :lL2ti+KXP? Section: 07.02, The membrane attack complex of the complement system is not effective against viruses. Pathogens are microorganisms that cure disease. A communicable disease that can be easily transmitted from person to person is which type of disease? Adhesins are usually located on __________ of the pathogen and are composed mainly of __________ and __________. Section: 07.03, People with allergies do not produce IgE. Check all that apply Activation or inactivation of host cell DNA Binding to RNAs that silence genes Affect host cell DNA that is responsible for cytoskeleton organization Exchange of capsule genes between pathogen and host cell Secretion of . Julio and his dinner guests are likely to experience food-borne illness if he A. wipes the knife used to cut up the raw chicken on a hand towel before using the knife to cut up the salad vegetables. She suspects that the bacterium's fimbriae are a virulence factor. Cytokines are being investigated for a possible treatment of which disease? pathogens are one of the major sources of environmental risks. A person steps on a rusty nail and develops tetanus. It is produced by immune cells to target pathogens. This mutation affects the A-subunit, preventing it from interacting with any host protein. IgG antibodies bind to pathogens, activate the compliment and enhance phagocytosis. What does this evidence tell you about this chemical? 11. Make sure that all rats in the study are healthy. -Cough etiquette Cilia, fimbriae, and pili are all examples of structures used by microbes for __________. Which pathogen is most virulent? True This page titled 15.E: Microbial Mechanisms of Pathogenicity (Exercises) is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. In July 2015, a report1 was released indicating the gram-negative bacterium Pseudomonas aeruginosa was found on hospital sinks 10 years after the initial outbreak in a neonatal intensive care unit. Rheumatoid arthritis is associated with chronically inflamed joints. Exoenzymes are classified according to the macromolecule they target and exotoxins are classified based on their mechanism of action. Blood splash to the nose Needle stick Through the air Blood exposure to skin that is chapped or abraded 7, Which of the following is the appropriate place to dispose of glass pieces from broken slides or ampules? Nosocomial diseases are acquired from hospital settings. to avoid eating a high concentration of mercury, which food should you select, soybeans watered with water from the river, which of the following approaches could help reduce the risk of malaria in a city without introducing new risks to human populations, search for and remove items that could hold accumulated water. which of the following is a pathogen, risk is often presented as _________, which is a measure of the statistical likelihood that something will occur, generally speaking, as economic development occurs, the risk of exposure to indoor air pollution _______, and the impact of over consumption of food and tobacco _________, advocates of environmental justice seek which of the following, risks related to development spread evenly across all populations, You are working with a chemical, so to educate yourself about the chemical's hazard, you read its material safety data sheet (MSDS) the msds indicates that the LD50 for the chemical is 5 grams per kilogram body weight this LD50 indicates that____, Half of the animals tested died when given that dose of the chemical, Which of the following is a cryonic effect of exposure to a toxin, The process of risk assessment includes all of the following except, Weighing the risk against economic, social, and legal considerations, Although bisphenol (BPA) is found in plastics sold in the United States, the chemical has been banned in many countries because it is, thalidomide was banned because it was determined to be, leaded paint and gasoline are longer available in the US because lead is, which of the following pollutants is/are readily dissolved and transported in water, which of the following organisms runs the highest risk of harm as a result of the biological magnification of pollutants, which of the following diseases is spread via water containing infected human waste, how can a flu virus be more dangerous than the ebola virus, individuals infected with a flu virus tend to travel and spread the disease before they get sick, benefits that we draw from the environment, what disease is expected to become more widespread as a result of global climate change, prevent disease outbreaks and harm from natural disasters, air pollution causes considerable harm to human health, based on your understanding of how air pollution affects people, which of the following examples is most likely to cause harm, a carcinogen is released from gasoline while a car is being filled. Which of the following represent epigenetic changes caused by a pathogen that can affect its ability to cause infection in the host? for which type of hepatitis is there no vaccine available? Bloodborne Pathogens are microorganisms in blood that may cause disease in humans. systemic lupus erythematosus A world-class bicycle rider can generate one-half horsepower for long periods. They cause an inflammatory response that kills pathogenic bacteria upon contact. Which of the following is the most likely explanation? Section: 07.03, What two sites are involved in the production and maturation of T lymphocytes? *(e) gel permeation. False b. sAR@`c&bChM=U,:n^W#*@'P|P\(Fdhv '?t2.qzM57r%e %KO%Li'[Tqo\,j6m The Shiga and diphtheria toxins target __________ in host cells. 28. If racing at sea level, find the velocity this cyclist can maintain. Which of the following would be a sign of an infection? Adhesins are usually located on __________ of the pathogen and are composed mainly of __________ and __________. delayed allergic C infection. pa help po sagutan 10 words lang po ok na po thanks po Which indirect object pronoun correctly completes the answer? *The RhoGAM shot is an example of passive immunity. The page below is a sample from the LabCE course OSHA Bloodborne Pathogens. Define the viscosity and osmolarity of blood. Section: 07.04. Learn more about OSHA Bloodborne Pathogens (online CE course) Which of the following is NOT classified as a bloodborne pathogen? Section: 07.04, If you were vaccinated against the mumps virus and later exposed to it, you would still be infected but it would not be as bad as if you had never been vaccinated. Section: 07.02, What cell types are involved in the inflammatory response? 3. general <> Laws against___ have been challenged in court on the grounds that they violate one's constitutional rights. hepatitis a type of white blood cell Employees who have an occupational exposure risk to blood or OPIM are to be offered the hepatitis B vaccination at no cost. Kochs postulates are used to determine whether a particular microorganism is a pathogen. Candida can invade tissue by producing the exoenzymes __________ and __________. difficulty breathing, difficulty breathing Bacterial toxins include endotoxin and exotoxins. What is the most important thing that needs to match between him and the kidney donor? False, False B. at time of initial assignment and annually thereafter. 24. In an infection, a microorganism enters a host and begins to multiply. Eleanor Noss Whitney, Ellie Whitney, Frances Sizer, DIET200 Chapter 4: Digestion and Absorption. In what way are lymphatic vessels unlike veins in the cardiovascular system? A(n) __________ infection is a small region of infection from which a pathogen may move to another part of the body to establish a second infection. B fungus. If clearly labeled, food and drink are permitted in areas where BBP exposures may occur. possess fimbrae. histamine IgA A Virus Exoenzymes are classified according to the macromolecule they target and exotoxins are classified based on their mechanism of action. plasma cells form; B cell divides; B cell activated; antigen binds to BCR, antigen binds to BCR; B cell activated; B cell divides; plasma cells form The human leg can be compared to a physical pendulum, with a "natural" swinging period at which walking is easiest. A biological or physical vehicle that carries an agent to a host describes a what? They use up nutrients and release wastes, preventing pathogenic bacteria from gaining a foothold. degrade nucleic acid to promote spread of pathogen, degrade cell membranes to allow pathogens to escape phagosomes. PTd?M5I$w7AKvnC=_$QisBH " Rjob/V? MTBE and gasoline leak from old tanks, then the MTBE dissolved into water and moves through soils into groundwater. inflammatory response, inflammatory response The electric component of a beam of polarized light is Ey=(5.00V/m)sin[(1.00106m1)z+t]E_y=(5.00V/m)\sin[(1.00 \times 10^6 m^{-1})z + \omega t]Ey=(5.00V/m)sin[(1.00106m1)z+t]. An infection is an invasion by pathogens that reproduce, multiply, and cause disease. OSHA Bloodborne Pathogens Quiz 2: Statistics & Pathophysiology Multiple Choice Identify the choice that best completes the statement or answers the question. A __________ cannot live without its host for very long. Which of the following is a major virulence factor for the fungal pathogen Cryptococcus? -Hand washing Based on these characteristics, how would you classify this toxin? possess specific receptors. HBV is known to have survived in dried blood for up to ____ days and pose a serious risk of exposure during that time. (f) gel filtration. Can you place a MediaView in multiple Panes? Which of the following would be a sign of an infection? complimentary possess specific receptors. 8 00:48:34 Multiple Choice Supergroup Amoebozoans - Giardia intestinalis (Giardiasis) Supergroup Amoebozoans - Entamoeba histolytica (Amoebiasis) Supergroup SAR - Plasmodium (Malaria) Supergroup Excavata. What are pathogens? false Strep throat is caused by a? (a) How are these toxins similar? Calculate the outside air temperature. is part of the inflammatory response. Section: 07.05, Which autoimmune disease is associated with an inflammatory response that can damage the heart muscle and valves? Under these conditions, which antibody levels would be higher than normal? rheumatic fever How often is bloodborne pathogens training required? They are not as easily treated compared with those involving free-floating (or planktonic) bacteria. Multiple Choice. Bacterial toxins include endotoxin and exotoxins. they work very, very quickly. The thymus cleanses the blood from the cardiovascular system of cellular debris and bacteria. A Strep throat stream Molecular Kochs postulates are used to determine what genes contribute to a pathogens ability to cause disease. IgM Which type of isolation requires the following: keep the patient in a separate room with the door closed; all staff wear protective gowns, masks, and gloves; and . A microbiologist has identified a new gram-negative pathogen that causes liver disease in rats. How many people die each year from HCV related liver failure? heat Humoral immunity: The B-cells produce an army of proteins is response to the pathogen. rheumatic fever destroying their nucleic acids. Certain complement proteins kill foreign microbes by 20. He has a fever of 38 C (100.4 F) and complains of nausea and a constant migraine. produce antibodies. The site-specific document that describes how UNLV complies with the BBP standard is the. Section: 07.01. This risk is about _____ percent!". rheumatoid arthritis <>>> We]D!DTJewEj(dd.v,"t?huBwh7Vr5qjazNlAZO;8?&EToAb#xBxjzl?ch"x\}CAASM{Pj\^ViATinfMi\k+>!aOi/_gw]6/U)M~+ 8c Zj-L*c. which biological agent is not considered by terrorist for the mass destruction of people? 9. Which of the following viruses lives permanently in the cells and flares up periodically?
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which of the following is a pathogen quizlet