Preventing DT Search

A. Terminology Preview

In this chapter (Standard Precautions), you’ll encounter the terms shown here. Flip a card to review the term definition. Previewing terminology leads to better comprehension and memorization of content. At any time, you can return to this section of the course and review terminology. Alcohol-Based Hand Sanitizer A liquid or gel composed of 60-90% alcohol […]

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Lesson 04: Standard Precautions

The Centers for Disease Control and Prevention (CDC) is a federal agency under the Department of Health and Human Services. It is the leading national public health agency of the United States. The primary goal of the CDC is to protect public health and safety through the control and prevention of disease, injury, and disability.

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D. Apply It!

Activity 1: What Type of Transmission? Directions: Look at the image on each question card and enter the correct answer by typing it into the space provided. Your options are direct contact, indirect contact, droplet contact, vehicle transmission, or vector transmission. Activity 2: Drag the Word Related to Disease Transmission  

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C. Modes of Transmission

As we learned in B. Chain of Infection, a pathogen lives in a reservoir, leaves the reservoir through a portal of exit, is conveyed by a mode of transmission, enters a new reservoir through a portal of entry, and infects a susceptible host. We’ve looked at each aspect of the chain of infection except the

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B. Chain of Infection

Epidemiology is the branch of medicine, which deals with the incidence, distribution, control of diseases, and other factors relating to health. Epidemiologists outline a chain of infection where a pathogen leaves its reservoir through a portal of exit, is conveyed by a mode of transmission, enters a new reservoir through a portal of entry and

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A. Terminology Preview

In this chapter (Disease Transmission), you’ll encounter the terms shown here. Flip a card to review the term definition. Previewing terminology leads to better comprehension and memorization of content. At any time, you can return to this section of the course and review terminology. Active Carriers People who are infected with a disease and can

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Lesson 03: Disease Transmission

Yellow fever is a serious viral haemorrhagic disease transmitted by infected mosquitos and endemic to tropical areas of Africa and Central and South America. In the 1800s the American South experienced yellow fever epidemics that killed thousands. People didn’t know what caused the fever or how it spread. In 1888, a saloonkeeper named Richard McCormick

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F. Apply It!

Activity 1: Know Your Pathogens Directions: For each question, pick the correct pathogen. The activity will confirm a correct answer and move on to the next question  Activity 2: Match diseases with their pathogens. Directions: Each image shows a pathogen related to a particular disease. See if you can remember if the disease is bacterial,

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E. Parasites

A parasite is an organism that lives on or in an organism of another species (host) and benefits by deriving nutrients at the host’s expense. There are three main types of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites. According to researchers, global infections from parasites result in approximately 48.4 million cases

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D. Fungi

Fungi, which include molds and yeasts, comprise a large group of simple plant-like organisms that are larger and more complex than bacteria. Warm, moist environments promote the reproduction of fungi through simple cell division and the production of large numbers of spores. A spore is a reproductive cell capable of developing into a new individual

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