Question 2 (6 points) The chain of infection is the means by which a pathogen develops and moves from its original environment to a susceptible host. Match the following terms and their definitions: Question 2 options: The way a pathogen travels. There are two types of transmission and they include direct or indirect. The way the pathogen leaves a reservoir. Places where pathogens live. The organism that a pathogen infects. The way a pathogen can enter a new host. An infectious agent that can cause disease. 1. Pathogen 2. Reservoir 3. Portal of Exit 4. Mode of Transmission 5. Portal of Entry 6. Host

Question 7 (5 points) In order for disease to spread there is a chain of infection that needs to occur. What is the order of the chain? Question 7 options: A) Susceptible host, age, infectious agent, portal of entry, means of transmission, vector B) Infectious agent, reservoir, portal of exit, vector, indirect contact transmission, susceptible host C) Infectious agent, reservoir, portal of exit, means of transmission, portal of entry, susceptible host D) Age, infectious agent, portal of entry, portal of exit, vector, susceptible host Question 8 (5 points) An example of a congenital disease is Question 8 options: A) Grave's disease. B) osteoarthritis. C) appendicitis. D) cystic fibrosis. Question 9 (5 points) What is a symptom? Question 9 options: A) Period of decreased disease activity B) The patient's subjective report of how he/she feels C) When and where disease occurs D) Information that is observed and can usually be measured Question 10 (5 points) Fomites can often harbor disease causing pathogens. An example of a fomite is Question 10 options: A) the family pet that is close with all of the household members. B) our food supply. C) the medical receptionist who makes the appointments and take the copayments for all of the patients that are coming in to see the physician. D) the remote control for the TV in the doctor's office waiting room. Question 11 (5 points) What are some of the natural defenses that human bodies have to help keep pathogens out? Question 11 options: A) Cilia, tears, and skin B) Cilia, skin, and clothing C) Skin, eyelashes, and vaccines D) Antibiotics, vaccines, clothing Question 12 (5 points) What is the term for a cell not getting enough oxygen? Question 12 options: A) Infarction B) Ischemia C) Dysplasia D) Infection

Identify the links in the chain of infection in the correct order.Group of answer choicesPathogen, reservoir, portal of exit, transmission, portal of entry, new hostPathogen, portal of exit, reservoir, transmission, portal of entry, new hostReservoir, transmission, portal of exit, portal of entry, pathogen, new hostPathogen, reservoir, portal of entry, transmission, portal of exit, new host

The route through which a pathogen departs from the host organism is called the of .

A specific pathogen can spread via a single transmission path.TrueFalse

Which link in the chain of infection do standard precautions break?ReservoirPortal of entryPortal of exitMethod of transmission