which of the following is a pathogen quizlet which of the following is a pathogen quizlet

Section: 07.03, Phil was exposed to parasitic worms on a recent field trip to the tropics. active A bacterial infection called lyme disease is spread by what? C. marinates the cut-up pieces of raw chicken in the . - produces protease. causing them to burst. (b) In terms of quantity of pathogen, in what way are these periods different? Which of the following is the most likely explanation? Patients who are at risk due to surgical incisions, weakened immune systems due to pre-existing conditions or medical treatments could use those sinks, transfer the pathogen to their bodies and develop an infection or disease. True The adaptive immune response includes: humoral immune response, cell-mediated immune response sebaceous secretions antigen binds to BCR; B cell divides; B cell activated; plasma cells form Myasthenia gravis 35 Questions Show answers Question 1 10 seconds Q. Small parasitic worms that attack specific tissues or organs are known as what? Calculate the outside air temperature. *People with allergies produce ten times more IgE than those people without allergies. Section: 07.04 is part of the inflammatory response. pathogens are one of the major sources of environmental risks. malaria, AIDS 1. systemic lupus erythematosus *It is true that cytokines assist in regulating white blood cell formation. Leishmania (Leishmaniasis) This problem has been solved! a part of the membrane attack complex of the complement system 9. Which pathogen needs a host cell to reproduce? Section: 07.02, Inflammation is normally a self-limiting process. <> Section: 07.02, Which of the following is not a sign of inflammation? Likewise, hand washing does not eliminate the need for the use of gloves. Explain three reasons why biofilm formers are more pathogenic. Bacteria in a biofilm are coated in EPS and, therefore, are not easily treated with antibiotics. The human leg can be compared to a physical pendulum, with a "natural" swinging period at which walking is easiest. they act indiscriminately against all pathogens. (a) In what way are both of these periods similar? *The complement proteins "complement" certain other immune responses. 17. Section: 07.05, Which class of antibodies plays a role in activating the complement and clumping cells? they act indiscriminately against all pathogens. *The antigen first binds to the B-cell receptor (BCR) to activate antibody-mediated immunity. B Virus P. aeruginosa usually causes localized ear and eye infections but can cause pneumonia or septicemia in vulnerable individuals like newborn babies. All of the following are major forms of disease transmission except? If it were positive, the site of the test would become hardened and red. Lymph capillaries drain directly into the right lymphatic duct. These pathogens include, but are not limited to, hepatitis B (HBV), hepatitis C (HCV) and human immunodeficiency virus (HIV). This allowed Streptococcus, a bacterium normally present in the mouth, to gain access to the blood. The body will not be able to fight off the pathogen quickly, because it knows how to get into the body easier. *Anything that the immune system recognizes as foreign to the body is called an antigen. -The use of Personal How often is bloodborne pathogens training required? The Shiga and diphtheria toxins target __________ in host cells. A disease causing organism is called at what? They cause an inflammatory response that kills pathogenic bacteria upon contact. Which of the following does NOT fit into the category of other potentially infectious materials? 83209Bi{ }_{83}^{209} \mathrm{Bi}83209Bi or 96242Cm{ }_{96}^{242} \mathrm{Cm}96242Cm. Which of the following is not a lymphatic organ? True As a result, the patient developed bacterial endocarditis (an infection of the heart). Is salt and pepper a heterogeneous mixture? The tiniest and toughest pathogens are what? The organism that attaches itself to healthy cells is called a/an: A virus. red blood cells, macrophages produce antibodies. Answer- Excavata is a major supergroup of unicellular organisms . This mutation affects the A-subunit, preventing it from interacting with any host protein. bacteria The following is not a defense mechanism for infectious disease: A mucous membranes. period of decline, during which the number of pathogen particles begins to decrease, and the signs and symptoms of illness begin to decline. memory cell The final temperature of the system is 100^\circC. Since some bacteria in a biofilm are not actively growing (or are in exponential, or log, phase), they would not be affected by antibiotics. Test Prep. % all of the following are true statements concerning mononucleosis except? IgA *When an injury is not serious, the inflammatory response is short-lived and the healing process will quickly return the affected area to the normal state. An infection is an invasion by pathogens that reproduce, multiply, and cause disease. All of the following groups are among the most vulnerable to infectious illnesses except? All of the following diseases are primarily spread by animals or insects except? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Infect healthy rats with this mutant strain and look for decreased signs of disease. Organisms that carry and pass on the pathogen without getting the disease, some types of escherichia coli are normal flora of the, the most important way to stop the spread of infection is through. tuberculosis antibodies. The thymus cleanses the blood from the cardiovascular system of cellular debris and bacteria. *The four signs of inflammation are redness, heat, swelling, and pain. They activate the complement system which punches holes in the invading pathogen. (a) How are these toxins similar? The virus infected the gorillas and chimpanzees, but only the chimpanzees got sick since the virus is not a pathogen to gorillas. TCR, BCR Which of the following is the correct definition of the term Nosocomial Infection? stream Kochs postulates are used to determine whether a particular microorganism is a pathogen. Which of the following is an example of a noncommunicable infectious disease? This mutation affects the A-subunit, preventing it from interacting with any host protein. False, True plasma cell Section: 07.04, What are the first antibodies produced by a plasma cell? Where does the lymphatic system empty into the cardiovascular system? In Model 1 a pathogen (virus, bacteria, foreign protein, parasite) has entered the bloodstream of an individual. The larval form of Schistosoma mansoni uses a __________ to help it gain entry through intact skin. 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. Pathogens are microorganisms that cure disease. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. IgA antibodies prevent pathogens from attaching to epithelial cells in the digestive and respiratory tract. *The Mantoux skin test uses the delayed allergic response to indicate exposure to tuberculosis. You also discover that it targets liver cells. Protozoa adhere to target cells through complex mechanisms and can cause cellular damage through release of cytopathic substances. cell-mediated The lymphatic system will play a role in defending the body against pathogens and maintaining a state of homeostasis. 11. Universal precautions c. Standard response a. Bacillus anthracis Can you place a MediaPlayer in multiple MediaViews? You have recently identified a new toxin. Which period is the stage of disease during which the patient begins to present general signs and symptoms? Which of the following is defined as a plant or animal so small it can only be seen with a microscope? Which of the following is NOT considered a bloodborne pathogen? Through a drop of infected blood on healthy skin. When the immune system fails to recognize its own body tissue and begins to attack it, it is known as what? Fungi initiate infections through the interaction of adhesins with receptors on host cells. %PDF-1.5 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. It acts as a spreading factor. What is the name of the lymphatic vessels located in the small intestines? Bloodborne Pathogens are microorganisms in blood that may cause disease in humans. Which pathogen is most virulent? Which of the following would be a virulence factor of a pathogen? *Allergic responses are hypersensitivities (greater sensitivities). D. It is produced by immune cells to target pathogens. 3. The hallmark symptoms of meningitis include all of the following except? A biological or physical vehicle that carries an agent to a host describes a what? plasma cells form; B cell activated; B cell divides; antigen binds to BCR IgD perchlorate is released as a gas form rockets but is then dissolved into water in the atmosphere or when it falls to the ground, The Language of Composition: Reading, Writing, Rhetoric, Lawrence Scanlon, Renee H. Shea, Robin Dissin Aufses, Literature and Composition: Reading, Writing,Thinking, Carol Jago, Lawrence Scanlon, Renee H. Shea, Robin Dissin Aufses. The larval form of Schistosoma mansoni uses a __________ to help it gain entry through intact skin. Which of the following choices lists the steps of pathogenesis in the correct order? 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]. Diseases that involve biofilm-producing bacteria are of serious concern. False 2. What is one disease most children are vaccinated against? a. Based on these characteristics, how would you classify this toxin? Section: 07.02, Monocytes become what type of cell in the tissue? although standard precautions apply to all potentially infections situations, TBPs are chosen based on the potential means of transmission of the disease or condition. Which of the following applies to hyaluronidase? Describe the motion of air particles inside an inflated balloon. Imagine that a mutation in the gene encoding the cholera toxin was made. Which of the following represent epigenetic changes caused by a pathogen that can affect its ability to cause infection in the host? Section: 07.02. In this context, this means Which of the following individuals introduced the terms "aerobes" and "anaerobes"? *Epinephrine counteracts the effects of histamine in anaphylactic shock. The EPS protects the bacteria from the host's immune response. x[ms6|fj 2sMnNhKM*] $ rdIX>Nvjc/_vbU/vk?OuSmsv.^]N_sy3bH,eY|d|g1s9{v1Ogti~9]WrV==j5,4?iG^~%k/ejP7-0_kK_}wNE=?2|y= w 6eiW2xl z{5jW,>pJE$Bfl^b'ddQ8odUpfct{KY|{U;&I$t zrs,# @-"*1.!c?]sr[z}jeOg_W/_,lR"=58Nx? Nosocomial diseases are acquired from hospital settings. False, False C. Plasmodium pain The new gorilla brought a virus that infects gorillas without causing disease, but is virulent to chimpanzees. *Cytotoxic T cells contain perforin molecules that punch holes in the plasma membranes of potential pathogens. D Polio, Which disease is often called the "kissing disease" because you can get it from contact with saliva? Exotoxins are proteins secreted mainly by gram-positive bacteria. (b) liquid partition. Neglect energy transfers with the environment. 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. P. aeruginosa usually causes localized ear and eye infections but can cause pneumonia or septicemia in vulnerable individuals like newborn babies. passive, active A microbiologist has identified a new gram-negative pathogen that causes liver disease in rats. B Mumps and measles Any visible signs of illness could affect the observations made. Something about names of all department personnel. Needlesticks and other sharps-related injuries may expose workers to bloodborne pathogens. hepatitis a set of barrier mechanisms that adapts to specific pathogens after repeated exposure. heat *The correct order is: antigen binds to BCR; B cell activated; B cell divides; plasma cells form. The relative risk of exposure to bloodborne pathogens is great. True True It promotes blood clotting. Distinguish between the signs and symptoms of disease in Brians case. Leishmania (Leishmaniasis). Adhesins are usually located on __________ of the pathogen and are composed mainly of __________ and __________. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 816.96] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> OSHA Bloodborne Pathogens Quiz 4: The OSHA Bloodborne Pathogens Standard Multiple Choice Identify the choice that best completes the statement or answers the question. microorganisms. <>>> There is currently no vaccination available for Hepatitis B. 8 00:48:34 Multiple Choice Supergroup Amoebozoans - Giardia intestinalis (Giardiasis) Supergroup Amoebozoans - Entamoeba histolytica (Amoebiasis) Supergroup SAR - Plasmodium (Malaria) Supergroup Excavata. Which of the following is a major virulence factor for the fungal pathogen Cryptococcus? phagocytosis is involved. True Ability to damage the host The characteristics of a pathogen that determine its virulence include which of the following? __ escribo correos a mi mejor amigo. they work very, very quickly. Undifferentiated B-cells remain as memory cells. C white blood cells. Which of the following choices lists the steps of pathogenesis in the correct order? AIDS A person or population that comes in contact with a pathogen. IgA Which of the following applies to hyaluronidase? *Autoimmune diseases can be genetic or environmental. True B Measles The concentration of pathogen needed to kill 50% of an infected group of test animals is the __________. Imagine that a mutation in the gene encoding the cholera toxin was made. Universal response b. tonsils and bone marrow, thymus and bone marrow Hepatitis B c. HIV d. E.coli Definition a. T cells can recognize antigens because they A microbiologist has identified a new gram-negative pathogen that causes liver disease in rats. Bloodborne pathogens are: -Viruses and bacteria -micro-organisms -Carried in the blood -Transmitted by other potentially infectious materials Which of the following is NOT considered a bloodborne pathogen? Safety glasses are not necessary when working with BBP? Which of the following pathogens undergoes antigenic variation to avoid immune defenses? the purpose of a protective environment for highly immunosuppressed patient is prevent transmission of infection to patient, Molecular and Cellular Radiation Biology: Cha, Radiation Protection Radiation Monitoring, Julie S Snyder, Linda Lilley, Shelly Collins.