"Prevention of Infectious Diseases" PPT courseware download

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"Prevention of Infectious Diseases" PPT courseware download

Part 1: Importing new lessons

In recent years, influenza has been raging, causing many deaths. The Mexican Minister of Health once said: "The H1N1 virus comes from pigs, and humans can also be infected. 'Swine flu' can cause a series of respiratory diseases."

learning target

1. Explain the concept and characteristics of infectious diseases.

2. Be able to describe the characteristics of infectious diseases and the three basic links in their prevalence, as well as general measures to prevent infectious diseases.

3. Be able to recognize some common infectious diseases.

Prevention of infectious diseases PPT, part 2: Infectious diseases are contagious and epidemic

Myopia is caused by changes in the patient's own eyeball structure and is not contagious.

Acute conjunctivitis is caused by foreign pathogenic bacteria and is contagious.

infectious disease

Infectious diseases refer to diseases caused by pathogens that can be transmitted between people or between people and animals.

The outstanding characteristics of infectious diseases are that they are contagious and epidemic.

1. Source of infection: refers to people or animals that can spread pathogens.

2. Transmission route: the route through which pathogens leave the source of infection and reach healthy people.

3. Susceptible groups: refers to groups of people who lack immunity to a certain infectious disease and are susceptible to the disease.

Prevention of infectious diseases PPT, part three: common infectious diseases

Ascariasis: It is a common parasitic disease of the digestive tract.

Symptoms: Often anorexia, which can lead to malnutrition and anemia, and severe abdominal pain

Source of infection: People who have fertilized roundworm eggs in their feces

tuberculosis

Tuberculosis: It is a chronic respiratory infectious disease caused by Mycobacterium tuberculosis infection in the lungs.

Symptoms: Feeling general malaise, fatigue, cough, sometimes blood in sputum or hemoptysis, low-grade fever and flushed cheeks in the afternoon.

Transmission route: Mainly through droplets and dust

Prevention method: vaccination with BCG vaccine

viral hepatitis

Viral hepatitis: An infectious disease caused by a variety of hepatitis viruses.

Symptoms: loss of appetite, nausea, upper abdominal discomfort or liver pain, some patients may have jaundice and fever

Transmission route: Generally transmitted through food and drink, it can also be infected by injecting virus-containing blood products or using incompletely sterilized medical equipment

Prevention method: Get vaccinated against hepatitis virus

Prevention of infectious diseases PPT, part 4: in-class training

1. Among the following diseases, which ones are not infectious diseases ( )

A． InfluenzaB. endemic goiter

C． SARS D. AIDS

2. The source of infection of infectious diseases refers to ( )

A． Pathogen B. People or animals that spread pathogens

C． Patient's secretions or excretions D. Biological vectors that spread disease

3. Healthy people, influenza, influenza patients, droplets of influenza patients, and influenza viruses belong to ( ) respectively

①Source of infection ②Pathogen ③Transmission route ④Infectious disease

⑤Susceptible groups

A.⑤④③①② B.⑤②③④①

C.①⑤④③② D.⑤④①③②

4. In spring, hand, foot and mouth disease has reached its peak season again. Hand, foot and mouth disease is a serious intestinal infectious disease that is mostly prevalent in infants and young children. Washing hands frequently, ventilating frequently, and disinfecting toys are mainly for ( )

A. Control the source of infection B. Cut off the route of transmission

C. Protect susceptible populations D. Eliminate pathogens

Keywords: Beijing Normal University Edition Biology PPT courseware for seventh grade volume 2 free download, prevention of infectious diseases PPT download, .PPT format;

For more information about the PPT courseware "Live Healthy and Prevent Infectious Diseases", please click the "Live Healthy and Prevent Infectious Diseases" ppt tag.

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Update Time: 2024-09-28

This template belongs to biology courseware Beijing Normal University Edition Seventh Grade Biology Volume 2 industry PPT template

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