A flu virus can cause a runny nose, muscle aches, and an upset stomach. Living at the expense of a host organism is a very attractive strategy, and it is possible that every living organism on earth is subject to some type of infection or parasitism (Figure 25-1). Antigenicity: The ability to stimulate an immunological response. Infectious diseases can be caused by: Bacteria. Different groups of agents that caused diseases are. Definition. Many scientists believe that the immune system is also important in attacking and destroying newly formed cancer cells. Airborne transmission occurs through very small particles or droplet nuclei that contain infectious agents and can remain suspended in air for extended periods of time. But that's not all. D) A pathogen must gain entry into a host's body. Share; Tweet; Advertisement. A) Host B) Environmental reservoir C) Agent D) Portal Ans: C Feedback: The agent, or the microbe that causes the disease, is the . Rickettsia spp. These organisms, depending on the context, can cause benefits or harm. View Test Prep - Test_ Micro Chapter 8 _ Quizlet.pdf from BIO BIO-330 at Alabama A&M University. An infectious disease agent may cause: a. Learning Objectives. Infection in a previously healthy person c. Caused by secondary infection d. convalescence. Diseases requiring airborne precautions include, but are not limited to: Measles, Severe Acute Respiratory Syndrome (SARS), Varicella (chickenpox), and Mycobacterium tuberculosis.Airborne precautions apply to patients known or suspected to be infected with microorganisms . In some cases, 1 Linens 2 Implants 3 Stethoscopes 4 Blood pressure cuffs 5 Intravascular catheters 1,3,4 Which type of specimen is collected by using a sterile tongue blade? This article will explain each of the five stages of infection in detail, describing how long they can . The period of time in which the infected individual can transmit the disease (when someone is "infectious") The duration between initial infection and the individual becoming infectious Always during 5th hour on Thursdays Question 16 30 seconds Q. Strep Throat, Pneumonia and Staph Infection are all examples of Two examples of droplet transmissible infectious agents are the influenza virus which causes the seasonal flu and Bordetella pertussis which causes pertussis (i.e., whooping cough). One, some, or all responses may be correct. Origin: Chapter 14- Risk of Infectious and Communicable Diseases, 1 1.The nurse works with a female client who recently developed an infection of Staphylococcus aureus while in the hospital. through the air. Human blood may also fall into Category B; again, this classification requires . Anti-infectives that can cause cell death are said to have bactericidal effects. This might let some other viruses, such as HPV, thrive, which might lead to cancer. Introduction. Fungi grow like plants. The agents that cause disease fall into five groups: viruses, bacteria, fungi, protozoa, and helminths (worms).Protozoa and worms are usually grouped together as parasites, and are the subject of the discipline of parasitology, whereas viruses, bacteria, and fungi are the subject of microbiology. Select Agents and Toxins are a collection of designated infectious agents and toxins that, by their nature, have the potential to pose a severe threat to public health and safety; this threat has resulted in the creation of a number of legislative acts. Select the infectious agents that are noncellular. Print. Check all that apply. Aerosol transmission, or related agents with unknown risk of transmission: ABSL-3 practices plus: Entrance through change room where personal clothing is removed and laboratory clothing is put on; shower on exiting. A health care worker removes a soiled dressing and puts it directly into the garbage. viruses. Infection is the result of a complex interrelationship between a potential host and an infectious agent. answer choices. Different groups of agents that caused diseases are. Which of the following are the most common infectious agents that cause bronchitis? Types of infectious agents. HIV infects and destroys white blood cells known as helper T-cells, which weakens the body's immune system. viruses. Infectious disease This is caused by an agent that spreads between susceptible individuals in a population Contagious disease This is an infectious disease that is contracted by a susceptible member of the population COMING INTO DIRECT CONTACT with another infected individual. 1/30/2019 Test: Micro Chapter 8 | Quizlet NAME 44 Multiple choice questions 1. So "distribution" covers time (when), place (where), and person (who), whereas "determinants" covers causes, risk factors, modes of transmission . Infectious agents are present all around us, and they come in different shapes and sizes. Scored Test - ANSWERS Question 1 Influenza transmission occurs when the influenza virus (Infectious Agent), lives and grows in the client's/patient's/resident's lungs and air passages (Reservoir), exits the respiratory tract through coughing and sneezing (Portal of Exit), travels via But there's much more knowledge you . Toxicity: The ability to produce a poisonous reaction. The first link in the chain of infection is the infectious agent or pathogen which can take the form of: Viruses - such as Influenza A, shingles and Hepatitis Bacteria - including Lyme disease and Leptospirosis Fungi - for example Candidiasis and Aspergillosis Parasitic protozoan diseases - such as Malaria, Giardia and Toxoplasmosis Biology questions and answers. Here you'll find in-depth information on specific cancer types - including risk factors, early detection, diagnosis, and treatment options. SURVEY . Biology. 10 Examples of Biohazardous Waste include: Cultures, stocks, or any laboratory agent that may be contaminated with an infectious disease (often defined as microbiological waste) 2 / Any type of waste produced in the room of a patient diagnosed with a communicable disease. a new disease) (2,4). Breast Cancer. SURVEY . Put a " " in the appropriate box. They include bacteria, fungi, viruses, and parasites. View Fundamentals Module 6 quiz .docx from NURSING 2115 at Rasmussen College. Infectious Agents. Biological material that would be shipped in this category includes: Adenovirus (replication competent). the transmission of infectious agents? Infections of the respiratory tract are grouped according to their symptomatology and anatomic involvement. illness. There are five stages of infection: incubation. Many scientists believe that the immune system is also important in attacking and destroying newly formed cancer cells. E. coli: Non K-12 derivatives that require biosafety level 2 containment. 10-2. through body fluids. C. A health care worker sorts cleaning supplies in the housekeeping cupboard. Fungi. All wastes are decontaminated before removal from the . William L. Nicholson, Christopher D. Paddock. answer choices . Innate immune cells also are important for activating adaptive immunity. The following human body fluids: semen, vaginal secretions, cerebrospinal fluid, synovial fluid, pleural fluid, pericardial fluid, peritoneal fluid, amniotic fluid, saliva in dental procedures, any body fluid that is visibly contaminated with blood, and all body . In many instances the work or research involves vertebrate animals, everything from mice to cattle. prodromal. Healthcare workers have a high risk of contact with infectious agents due to the various types of activities involved with their jobs and the possibilities of contamination. N meningitidis causes approximately 4 cases per 100,000 children aged 1-23 months. The current list of these Select Agents is available directly from the CDC website. We normally think of pathogens in hostile terms—as invaders that attack our bodies. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS. Bacteria and protozoans are microscopic one-celled organisms. A teratogenic agent is a chemical, infectious agent, physical condition, or deficiency that, on fetal exposure, can alter fetal morphology or subsequent function. lydia_varisco PLUS Terms in this set (89) The five major categories of infectious agents include bacteria, protozoans, multicellular parasites, viruses and ___. d. All of the above e. a. and b. above 8. These materials include personal protective equipment (PPE), Petri dishes, towels, linens, and pipettes. Kill microorganisms, promote inflammation In the blood, the antibody in most abundance is IgG Under an electron microscope, an infectious agent is identified that is not cellular. Septicemia is: a. Evaluate the statements below, and select those that correctly apply to breakthrough methods of genome analysis. Importantly, not all infectious agents are transmitted from person to person. Select one or more: a. coronavirus, rhinovirus b. respiratory syncytial virus c. parainfluenza virus d. influenza virus. What are the three main contributors to disease occurence? Helminths resemble worms. Infectious agents come in many shapes and sizes. An infectious agent is something that infiltrates another living thing, like you. Acute upper respiratory infections (URI) include the common cold, pharyngitis, epiglottitis, and laryngotracheitis (Fig. trachea red bone marrow yellow bone marrow thyroid gland thymus gland red bone marrow A health care worker cleans shared care equipment. Explore Cancer A-Z. Causes. Select agents are biological agents and toxins that have been determined to have the potential to pose a severe threat to public health and safety, to animal and plant health, or to animal or plant products. This policy has been developed in order to minimize the risk of exposure to those who may come into contact with biohazard waste generated in a UNC-CH research . Viruses are even smaller. Q. Broad-spectrum anti-infectives are agents that interfere with biochemical reactions in many different kinds of microorganisms. They include neutrophils, eosinophils, basophils, mast cells, monocytes, dendritic cells, and macrophages (See Immune Cells for detailed descriptions). Answers you can use: pathogen or pathogens Which of the following need to happen for an infectious disease to occur? (Select all that apply.) protozoans. infection control ati pretest quizlet. 1 "Other Potentially Infectious Materials," as defined in the OSHA Bloodborne Pathogens standard (29 CFR 1910.1030(b)), means: . True False Expert Answer ANSWER - Option A,C,D are correct. Acute illness caused by agents circulating in the blood b. Answers to Self-Assessment Quiz. HPV is a group of more than 200 related viruses, of which more than 40 are spread through direct sexual contact.Among these, two HPV types cause genital warts, and about a dozen HPV types can cause certain types of cancer—cervical, anal, oropharyngeal, penile, vulvar, and vaginal. Obligate intracellular parasite Infectious particle Dead particle Viral spikes are used for attachment to host cells This must be a virus If someone is infected with a virus, resulting in activated and memory B-lymphoctes and T-lymphoctes, they are exhibiting ____________ immunity. HIV infects and destroys white blood cells known as helper T-cells, which weakens the body's immune system. through contaminated water. Cognitive Level: Knowledge REF.p. 1 Hand hygiene 2 are classically divided into the spotted fever group (SFG) and the typhus group, although more recently these have been classified into as . The rate of meningitis caused by S pneumoniae is 6.5 cases per 100,000 children aged 1-23 months. 30 seconds . The cause, set of causes, or manner of causation of a disease or condition. This might let some other viruses, such as HPV, thrive, which might lead to cancer. can be easily disseminated or transmitted from person to person; regulated by the Federal Select Agent program. Agents that cause infectious diseases can be transmitted in many ways like. Airborne Precautions. Microbes, such as bacteria, viruses, fungi, and parasites, are living organisms that evolve over time. Longer exposure more When investigating how a disease spreads and how to . These agents include bacteria, fungi, parasites, prions, rickettsial agents and viruses, the latter being probably the largest and most important group. Newborns are at highest risk for acute bacterial meningitis. protozoans. The U.S. public health system and primary healthcare providers must be prepared to address various biological agents, including pathogens that are rarely seen in the United States. Infectious diseases are the diseases caused by various pathogenic microorganisms such as virus, bacteria, protozoan, fungi, and other parasites. There are five types of biohazardous medical waste: 1. Select all that apply. (Select all that apply.) 32 Questions Show answers Question 1 30 seconds Q. The risk of secondary meningitis is 1% for family contacts and 0.1% for daycare contacts. Investigations of acute infectious disease outbreaks are very common, and the results of such investigations are often published; however, surprisingly little has been written about the actual procedures followed during such investigations (1,2).Most epidemiologists and public health officials learn the procedures by conducting investigations with the initial assistance of more experienced . Differentiate between microorganisms of various biological safety levels and explain methods used for handling microbes at each level. answer choices Environment Agent Human Host Pollen Question 2 30 seconds Q. fungi Bacteria are made of ___ cells. Emerging diseases include HIV infections, SARS, Lyme disease, Escherichia coli O157:H7 (E. coli), hantavirus, dengue fever, West Nile virus, and the Zika virus. Therapeutic Action. Dangerous/exotic agents that pose high risk of life threatening disease. Recombinant viral vectors (replication defective); including AAV, Adenovirus, FIV, HIV. 4.8 Select Agents and Toxins. Infectious agents are organisms that are capable of producing infection or infectious disease. Airborne precautions are required to protect against airborne transmission of infectious agents. bacteria. Viruses. Investigators should contact EHRS (215-707-2520) to register any research project involved in using a . Identify all answer choices that best complete the question. all of the above. Invasiveness: The ability to penetrate and spread throughout the tissue. A person with a bacterial infection will often experience redness, heat, swelling, fever, and pain at the site of infection . Solid Biohazardous Waste. Investigators must register with the EHRS Select Agent Program, IBC and the appropriate federal agency prior to possession, use or transfer of any Select Agent. through body fluids. D. through contaminated water. INFECTIOUS AGENTS. bacteria. A) Fungi B) Fomites C) Bacteria D) Viruses E) Helminths A) Age B) Sex D) Physical and emotional health E) Immune status Vasodilation may result from the action of histamine, bradykinin, and prostaglandin. Module 6 Quiz 1. ; Narrow-spectrum anti-infectives are agents that are so selective in their action that they are effective against only a few . Fomites are inanimate objects that can become contaminated with infectious agents and serve as a mechanism for transfer between hosts. Prions Satellite viruses Viroids Viruses are inactive macromolecules inside of a host cell. Check All That Apply. 4 / Animal waste or waste resulting from veterinary procedures. Sections. Contagious disease transmission: sexually transmitted diseases 1.Please select the three most prevalent types of healthcare-associated infections.Check All That Applya.septicemiasepticemia b.surgical site infections c.skin infections d.urinary tract infectionse.respiratory infections f.reproductive tract infectious rg.gastrointestinal infections 2.Please. B. 1 Stool 2 Urine 3 Blood 4 Wound 1 Which method is most effective to break the chain of infection? An infectious agent is something that infiltrates another living thing, like you. The UNC-CH Biological Waste Disposal Policy stipulates proper procedures for the collection, decontamination, and disposal of laboratory-generated biohazard waste. No infection b. Subclinical infection c. Clinical infection d. All of the above e. b. and c. above 9. Select all that apply. Describe the principles of controlling the presence of microorganisms through sterilization and disinfection. Reemerging diseases are diseases that reappear after they have been on a significant decline. Always during 5th hour on Thursdays. Which are considered biological agents? A number of activities increase microbial traffic and as a result promote emergence and epidemics. Though, it's not considered hazardous and isn't regulated. all of these. Their main feature is the ability to respond quickly and broadly when a problem arises, typically leading to inflammation. Infectious diseases are caused by diverse living agents that replicate in their hosts. . These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis. C) The pathogen must reproduce with a virus. Tags: Question 5 . Leukotrienes cause prolonged smooth muscle contraction, which results in the bronchial spasms of asthma. False Select all of the terms that can be accurately used to describe a virus. Genome sequences from different organisms associated with a specific syndrome are affixed to a chip in microarray analysis.Genome sequences from different organisms associated with a specific syndrome are affixed to a chip in microarray analysis. Their primary function is to reproduce, thrive, and spread quickly and efficiently. Narrow-spectrum anti-infectives are agents that are so selective in their action that they are effective against only a few microorganisms. external icon. Transcribed image text: Please select all the TRUE statements regarding giardiasis and its causative agent. answer choices . 515 Question 3 6.67 out of 6.67 points The transmission of communicable diseases depends on the successful interaction of the following: (Select all that apply) Selected Answers: a. infectious agent c. the host d. the environment Correct Answers: a. infectious agent c. the host d. the environment Response . Infectious agents deposited by one person can potentially be transmitted to a subsequent drinker. High-priority agents include organisms that pose a risk to national security because they. Question 3 The transmission of communicable diseases depends on the successful interaction of the following: (Select all that apply) a. infectious agent b. pesticides c. the host d. the environment Question 4 Triage in a disaster setting centers on individuals only. What is the most significant and most commonly observed infectious agent in health Anti-infective agents act on invading organisms in several different ways as mentioned above. through the air. Unless you've been living under a rock, you already know there are currently hundreds of thousands of cases of Covid-19 worldwide. Check All That Apply Giardiasis is caused by the flagellated protozoan Giardia lamblia.
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