HUMAN PARASITOLOGY EXAM 1 QUESTIONS 1) INTRO AND HOST PARASITE INTERACTIONS 1. What is a symbiosis? What is each participant in a symbiotic relationship called? What is a trophic interaction? Give some examples. 2. What type of dependency exists between the participants of a phoretic relationship? Does the phoront benefit from the relationship? 3. Explain commensalism. How does the commensal benefit? Can these organisms survive independently? 4. What is mutualism? Can these partners survive independently? What type of dependence exists between the partners? Give some examples. 5. How is each symbiont affected in an exploitation interaction? How do a predator and a parasitoid differ? What is the usually …show more content…
6. Who are the “bottom billion”? What is a key reason that these people are trapped in poverty? 7. What are 5 common features of NTDs? Why have these features contribute to making these diseases ‘neglected’? Do many people die from NTDs compared to other major diseases? 8. What do DALYs measure? How can this measure be used to compare diseases? What is the equation? What standard is used for measuring premature death and why? 9. What is polyparasitism? Why should we consider polyparasitism when developing treatment strategies? What is a Rapid Impact Package? Where is it used? What drugs does it contain and what diseases are targeted? 10. What are the basic goals of Helen Keller International? Explain the steps involved in projects aimed at developing countries. What is advocacy? What is the best method for social mobilization? How is Praziquantel best distributed? Why are dose poles used? 10. How does travel relate to the spread of disease? Is poverty spread equally throughout the US? What are the Neglected Infections of Poverty? What is the goal of the Neglected Infections of Impoverished Americans Act? READING ASSIGNMENT AND QUESTIONS None SAMPLE QUESTIONS 1. Which of the following are soil-transmitted infections? 1. ascariasis 2. hookworms 3. onchocerciasis 4. trachoma 5. Buruli ulcer A. 1 and 2 B. 1 and 3
This chapter focuses on Malaria. When Quammen began writing this, he was told to not include Malaria because it was not zoonotic but vector- borne. However, Quammen found that the human version of Malaria come from a mosquito biting an infected gorilla, and then biting a human. Since the disease was delivered to a new host, malaria has now become zoonotic and a spillover. I personally find this chapter of the book to be rather intriguing because compared to some of the other diseases in this book such as Hendra or SARS; I would have liked to think that I was rather knowledgeable about Malaria, but that was not the case. I have never heard of Malaria being a Spillover and I found it compelling to read about in this book. The next chapter of this book, “Dinner at the Rat Farm”, is centered on SARS (Severe Acute Respiratory Syndrome). In 2003, SARS made its presence known as it rapidly spread globally to places like Canada and the Philippines. SARS’ origin belongs to southern province of China called Guangdong. The SARS outbreak in China was quick and not to be messed with. It ran ravage through communities and
1. Understanding epidemiologic concepts of the chain of transmission of organisms from host to victim, describe how EH could have been infected.
The purpose of this simulation is to see how these three organisms will interact with one another in the same environment. We will see how the populations of these organisms change by modifying parameters specific to each organism and how changing
There are three forms of symbiotic relationships namely mutualism, commensalism and parasitism. The partners in a symbiotic relationship may either benefit from, be unaffected by, or be harmed by the kind of relationship that exists between them, (Berg 2007). Mutualism is a symbiotic relationship in which both the partners benefit from the relationship, (Berg 2007). Commensalism is a symbiotic relationship whereby one party benefits while the other party is neither harmed nor benefits, (Berg 2007). Parasitism is a symbiotic relationship in which one party benefits while the other is harmed, (Berg 2007).
Question 11: In your own words, interpret the results of the New Jersey case-control study.
Community health nurses face many concerns that can create environmental and global health issues. In history, humans have battled many health epidemics, from as early as the black plague, to polio, and more recent issues of measles, small pox, and HIV/AIDS. Many vaccines have been created and billions of lives have been saved, but there is still many unimmunized. Communities worldwide are at risk for many communicable diseases and should be prepared and knowledgeable about their community’s risks, protocols, and how to keep their community members safe.
Name and describe the roles of the three main trophic categories that make up the biotic structure of every ecosystem. Give examples of organisms from each category.
In a developing society where a variety people come together, different customs and practices, as well as diseases, are exchanged. One example of an outbreak of a disease is the
"Infectious Disease is one of the great tragedies of living things - the struggle for existence between different forms of life. Incessantly the pitiless war goes on, without quarter or armistice - a nationalism of species against species." Hans Zinsser- Rats, Lice and History (1934)
Diseases can cause a devastating effect on both the human body, and also the human population. Throughout several time periods of the present and past, diseases have caused a humongous impact in several society's in different countries around the world. Several large pandemics and epidemics have killed off the population of many species including humans and primates. Wether the time period is in the present or as far back as the Middle Ages, each and every one of these diseases, have had a life threatening outbreak, across several developing countries. Three known diseases have all created a huge conflict on different civilizations, causing different, unanswered questions to arise. A lot of research has gone into each individual disease, to
Throughout this assignment I am going to be looking into the health and social topic of communicable and non-communicable diseases. I will be investigating into various aspects of two specific diseases. A high level of knowledge will be demonstrated with a detailed description of both communicable and non-communicable diseases as well as an understanding of epidemiology. I will then find a communicable and non-communicable disease example and describe the biological basis of each disease with an explanation to how the body responds to the disease. A list of at least three of the different signs and symptoms which are produced and displayed with the disease will then be shown. The changes shown as a result from the disease
During the course of human history, pandemic diseases have threatened the balance of civilization itself. Viruses, bacteria, fungi, and other infectious agents have
A communicable disease chain is the mechanism by which an infective agent or pathogen is transmitted. The chain requires an infective agent, a source of infection, a mode of transmission and a host. An example of an infective agent could be bacteria, a virus, fungus, protozoan or helminth. The source of infective agents can be transmission from host to host, an infected human or animal, insects, soil or livestock. The mode of transmission is how the infective agent is carried from host to host. Transmission can be by air, ingestion or physical contact. To complete a life cycle or to replicate, the infective agent requires a host.
Discuss the impact of one infectious disease on the health, economic development and lifestyle of the area where it occurs?
Malaria or other similar diseases like malaria has been recognized and encountered by humans for more than 4,000 years. Malaria is caused by the genus Plasmodium parasites, which enter the human body and are transmitted to people through the bite of a mosquito infected with the parasite (Q&A, Malaria). Once the parasite enters the human body, the parasites multiply in the liver and then infect red blood cells. The malaria parasite was first discovered on November 6, 1880, by a French army surgeon named Charles Louis Al phonse Laveran. While stationed in