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

The Shiga and diphtheria toxins target __________ in host cells. Humoral immunity: The B-cells produce an army of proteins is response to the pathogen. inflammatory response, inflammatory response endobj a. an aerotolerant anaerobe b. an obligate aerobe c. an obligate anaerobe d. a facultative anaerobe View Text Answer Jump To Question Which of the following represent epigenetic changes caused by a pathogen that can affect its ability to cause infection in the host? *The complement proteins "complement" certain other immune responses. 1. Which of the following choices lists the steps of pathogenesis in the correct order? True or False 2. Consider the leg as two rods joined rigidly together at the knee; the axis for the leg is the hip joint. The page below is a sample from the LabCE course OSHA Bloodborne Pathogens. OSHA mandates that all employers are required to provide the Hepatits B vaccination to employees free of charge. You also discover that it targets liver cells. They use up nutrients and release wastes, preventing pathogenic bacteria from gaining a foothold. ", "Hepatitis C, or HCV, has a high rate of chronic infection with an estimated _________ cases in the United States.". The relative risk of exposure to bloodborne pathogens is great. An infection is an invasion by pathogens that reproduce, multiply, and cause disease. bacteria The following is not a defense mechanism for infectious disease: A mucous membranes. MTBE and gasoline leak from old tanks, then the MTBE dissolved into water and moves through soils into groundwater. True *In active immunity the individual produces antibodies against particular pathogens and in passive immunity the individual is given specific antibodies against a pathogen. You have recently identified a new toxin. i0g:M&$"w I4EBKLVE^Jqrv>A5N\ False, False C Athlete's foot and ringworm True 4. Kochs postulates are used to determine whether a particular microorganism is a pathogen. IgG There is currently no vaccination available for Hepatitis B. Diseases that involve biofilm-producing bacteria are of serious concern. Section: 07.03, Which of the following is in the correct order in the formation of antibodies? Saved Help Which of the following statements is correct about the human pathogen Cryptococcus neoformans? A Virus thyroid and tonsils hay fever (b) In terms of quantity of pathogen, in what way are these periods different? Two periods of acute disease are the periods of illness and period of decline. Which of the following is a major virulence factor for the fungal pathogen Cryptococcus? A. degrade antibodies Which pathogen is most virulent? a. what is the importance of corals? hepatitis a vaccination. Bacterial toxins include endotoxin and exotoxins. it coats the surface of the pathogens to make them easily recognizable View the full answer Inactivate the gene so that fimbriae are no longer produced. Leishmania (Leishmaniasis) This problem has been solved! They are both forms of an infection. all of the following are true statements concerning mononucleosis except? P. aeruginosa usually causes localized ear and eye infections but can cause pneumonia or septicemia in vulnerable individuals like newborn babies. Discuss in view of the relativity principle (that there is no best reference frame). Of the three options listed, which is the preferred method to protect employees from exposure to blood or OPIM? Which of the following is not considered an administrative control to prevent or minimize BBP exposure? %PDF-1.5 __ escribo correos a mi mejor amigo. Section: 07.03, Cytotoxic T cells contain what type of molecules that punch holes in the plasma membranes of potential pathogens? A microbiologist has identified a new gram-negative pathogen that causes liver disease in rats. Pathogen A has an ID50 of 50 particles, pathogen B has an ID50 of 1,000 particles, and pathogen C has an ID50of 1 106 particles. 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? creating interferon. Antigenic __________ is the result of reassortment of genes responsible for the production of influenza virus spike proteins between different virus particles while in the same host, whereas antigenic __________ is the result of point mutations in the spike proteins. Section: 07.05, All autoimmune diseases are caused strictly by environmental factors such as viral infections. Explain how acupuncture could facilitate exposure to pathogens. B Bacteria period of illness = the time at which the signs and symptoms of disease are most obvious and severe. plasma cell Which pathogen is most virulent? 30. Huma immunodeficiency virus (HIV) is considered which type of virus? Pages 35 Ratings 100% (6) 6 out of 6 people found this document helpful; Neglect rolling friction. Washing your hands is one of the main ways to prevent from getting sick. Section: 07.04, Before working at the hospital, Beth was given a Mantoux skin test to detect tuberculosis. systemic lupus erythematosus Based on these characteristics, how would you classify this toxin? D Strep throat and pneumonia, __________ are single celled organisms. Section: 07.04, The RhoGAM shot given to Rh negative mothers with an Rh positive fetus is an example of what type of immunity? 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 . Can you place a MediaView in multiple Panes? Pathogen A has an ID50 of 50 particles, pathogen B has an ID50 of 1,000 particles, and pathogen C has an ID50 of 1 106 particles. What is the intensity of this light? IgD all of the following are common viginal infections except? 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. During an oral surgery, the surgeon nicked the patient's gum with a sharp instrument. Answer- Excavata is a major supergroup of unicellular organisms . An employee, who has an occupational exposure potential with blood or OPIM, does not need to notify their supervisor as to the existence of an open sore. *T cells possess specific receptors that help them identify antigens. A 150 g copper bowl contains 220 g of water, both at 20.0^\circC. Any visible signs of illness could affect the observations made. all of the following may contribute to urinary tract infections except? (f) gel filtration. You have recently identified a new toxin. intact skin *The Major Histocompatibility Complex antigens must match to avoid rejection of the transplant. Section: 07.04. which of the following would not be considered a pathogen? False, False This risk is about _____ percent!". 4 0 obj Definition. Section: 07.03, The acquired defense system only recognizes and destroys cells with antigens that come from outside the body. 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 . False, True mucous membranes The reason the complement system is called that is because it The bacterium is probably which of the following? IgE, IgE Try it now. Explain how acupuncture could facilitate exposure to pathogens. How many people die each year from HCV related liver failure? Let the upper rod have a mass of 7.0kg7.0 \mathrm{~kg}7.0kg and the lower rod a mass of 4.0kg4.0 \mathrm{~kg}4.0kg. Molecular Kochs postulates are used to determine what genes contribute to a pathogens ability to cause disease. B Measles Modify the Programming Project from earlier chapter so that the program reads a series of items from a file and displays the data in columns. A(n) __________ pathogen causes disease only when conditions are favorable for the microorganism because of transfer to an inappropriate body site or weakened immunity in an individual. This mutation affects the A-subunit, preventing it from interacting with any host protein. Explain how the current discovery of the presence of this reported P. aeruginosa could lead to a recurrence of nosocomial disease. Thaks po Advertisement Advertisement New questions in Science. What is one disease most children are vaccinated against? True 6. Phospholipases are enzymes that do which of the following? Who is not at high risk for contracting MRSA? 17. produce antibodies. red blood cells, macrophages They phagocytize any pathogenic bacteria that attempt to infect. OSHA Bloodborne Pathogens Quiz 2: Statistics & Pathophysiology Multiple Choice Identify the choice that best completes the statement or answers the question. Explain how helminths evade the immune system. *The antigen first binds to the B-cell receptor (BCR) to activate antibody-mediated immunity. Cytokines are being investigated for a possible treatment of which disease? eosinophils The risk of HIV/AIDS transmission from a needle stick is approximately _____ percent. A very hot 300 g copper cylinder is dropped into the water, causing the water to boil, with 5.00 g being converted to steam. A. hemolysin *IgM antibodies activate the complement and clump cells. It is produced by immune cells to target pathogens. Something about names of all department personnel. 35 Questions Show answers Question 1 10 seconds Q. period of decline, during which the number of pathogen particles begins to decrease, and the signs and symptoms of illness begin to decline. "Unlike HBV for which a vaccination exists, currently there is no vaccination for HCV". Is salt and pepper a heterogeneous mixture? neutral, active, active, passive active, passive Section: 07.05, Histamine, released during inflammation, is associated with which defense mechanism? 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? Julio wants to cook chicken and bake a pie made with eggs and milk for his roommates. A disease causing organism is called at what? Which of the following viruses lives permanently in the cells and flares up periodically? If racing at sea level, find the velocity this cyclist can maintain. which biological agent is not considered by terrorist for the mass destruction of people? D Yeast infections, What pathogen causes diseases that are often spread through contaminated water? Section: 07.03, Phil was exposed to parasitic worms on a recent field trip to the tropics. *The purpose of a vaccination is to prevent an infection by causing active immunity. D. It is produced by immune cells to target pathogens. they act indiscriminately against all pathogens. A. a surface protein allowing the pathogen to bind to host cells B. a secondary host the pathogen can infect C. a surface protein the host immune system recognizes D. the ability to form a provirus A 10. This should be quickly treated with (b) In terms of quantity of pathogen, in what way are these periods different? Section: 07.04, What are the first antibodies produced by a plasma cell? Which of the following would be a virulence factor of a pathogen? Devise an arrangement of mirrors allowing you to see the back of your head. endobj This category is best described by which of the following? False, True 1. possess specific receptors. It is produced by a gram-negative bacterium. 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. Exotoxins are proteins secreted mainly by gram-positive bacteria. PCR Ability to be transported initially to the host 2. 24. Bacteria in a biofilm are coated in EPS and, therefore, are not easily treated with antibiotics. What does this evidence tell you about this chemical? Protozoal infection may lead to ht edevelopmen t of all the following conditions except? answer choices Virus Bacteria Fungi Parasite/Protist They are all alive Question 2 10 seconds Q. Which of the following is not a lymphatic organ? Which pathogen is non-living? Make sure that all rats in the study are healthy. (proficiency; vagrancy). budding yeast with an elaborate capsule Cryptococcus neoformans causes a systemic infection primarily involving the lungs and central . - produces protease. Fungi initiate infections through the interaction of adhesins with receptors on host cells. Adhesins are usually located on __________ of the pathogen and are composed mainly of __________ and __________. Ability to damage the host The characteristics of a pathogen that determine its virulence include which of the following? rheumatoid arthritis Explain how the current discovery of the presence of this reported P. aeruginosa could lead to a recurrence of nosocomial disease. Describe the virulence factors associated with the fungal pathogen Aspergillus. It is characterized by redness, swelling, and pain. IgG Section: 07.01. Which of the lymphatic organs is also part of the skeletal system? ;N>!yOl9;F/QZ~>$l{i"ZIW&t"NJV\fpL[ #T&~3-#b|Cs?^(qVtRgCi)b/)VEf8*5a=b\UZA`p\-X4U%PoHq+*`4#.CG 6Bmt{#&K-S paiYWkv'LgeWIZ IV.# ^Y9+~q)_rAfbomv%el Some fungi produce toxins and exoenzymes involved in disease production and capsules that provide protection of phagocytosis. D Polio, Which pathogen cannot be cured with antibiotics? Employees who have an occupational exposure risk to blood or OPIM are to be offered the hepatitis B vaccination at no cost. damage resulting in cell lysis Margination is defined as the process in which monocytes stick to the wall of the blood vessels at the site of infection Which of the following pairs is mismatched? B Measles ##Qmv&,! One response of the human immune. They must then receive a copy of the evaluation within ___ days, The hepatitis B virus can last for up to seven days outside of the body. Rhino virus True or False: Breast milk is considered a possible transmission source of bloodborne pathogens. a. Feces and urine c. Amniotic fluid b. Fluid surrounding heart and lungs d. Infect healthy rats with this mutant strain and look for decreased signs of disease. Number if studies suggest that these elevated concentrations can be traced back to emissions from rockets. Blood is the only bodily fluid that can carry pathogens. 10. Since some bacteria in a biofilm are not actively growing (or are in exponential, or log, phase), they would not be affected by antibiotics. Hypersensitivity to a substance in one's diet or environment is called what? In Model 1 a pathogen (virus, bacteria, foreign protein, parasite) has entered the bloodstream of an individual. delayed allergic 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. pathogens are one of the major sources of environmental risks. Tuberculosis, rheumatic fever Endotoxin is the lipid A component of the LPS of the gram-negative cell envelope. Which of the following pathogens undergoes antigenic variation to avoid immune defenses?