different types of diseases and their causes pdf Thursday, May 13, 2021 11:51:25 PM

Different Types Of Diseases And Their Causes Pdf

File Name: different types of diseases and their causes .zip
Size: 2283Kb
Published: 14.05.2021

Zoonosis is another name for a zoonotic disease. This type of disease passes from an animal or insect to a human. Zoonotic diseases range from minor short-term illness to a major life-changing illness. Certain ones can even cause death.

What to know about infections

A disease is a particular abnormal condition that negatively affects the structure or function of all or part of an organism, and that is not due to any immediate external injury. A disease may be caused by external factors such as pathogens or by internal dysfunctions. For example, internal dysfunctions of the immune system can produce a variety of different diseases, including various forms of immunodeficiency , hypersensitivity , allergies and autoimmune disorders. In humans, disease is often used more broadly to refer to any condition that causes pain , dysfunction , distress , social problems , or death to the person afflicted, or similar problems for those in contact with the person. In this broader sense, it sometimes includes injuries , disabilities , disorders , syndromes , infections , isolated symptoms , deviant behaviors , and atypical variations of structure and function, while in other contexts and for other purposes these may be considered distinguishable categories. Diseases can affect people not only physically, but also mentally, as contracting and living with a disease can alter the affected person's perspective on life. Death due to disease is called death by natural causes.

Infectious diseases are disorders that are caused by organisms, usually microscopic in size, such as bacteria, viruses, fungi, or parasites that are passed, directly or indirectly, from one person to another. Humans can also become infected following exposure to an infected animal that harbors a pathogenic organism that is capable of infecting humans. Infectious diseases are a leading cause of death worldwide, particularly in low income countries, especially in young children. Three infectious diseases were ranked in the top ten causes of death worldwide in by the World Health Organization. They are lower respiratory infections 3. Another infectious disease, malaria, accounts for a top cause of death in low income countries. Lower respiratory infections including pneumonia and diarrheal diseases are caused by a variety of infectious agents.

As you will recall from the Module on Health Education , Advocacy and Community Mobilisation, health is defined as a complete state of physical, mental and social well-being and not the mere absence of disease. Diseases may be classified as communicable or non-communicable. Communicable diseases are caused by infectious agents that can be transmitted to other people from an infected person, animal or a source in the environment. Communicable diseases constitute the leading cause of health problems in Ethiopia. Before we describe each communicable disease relevant to Ethiopia in detail in later study sessions, it is important that you first learn about the basic concepts underlying communicable diseases. Understanding these basic concepts will help you a lot, as they form the basis for this Module.

Causes and Symptoms of Foodborne Illness

The kidneys are a pair of fist-sized organs located at the bottom of the rib cage. There is one kidney on each side of the spine. Kidneys are essential to having a healthy body. They are mainly responsible for filtering waste products, excess water, and other impurities out of the blood. These toxins are stored in the bladder and then removed during urination. The kidneys also regulate pH, salt, and potassium levels in the body. They produce hormones that regulate blood pressure and control the production of red blood cells.

These infectious microscopic organisms are known as pathogens, and they can multiply quickly. Examples of pathogens include:. They can spread in several different ways, including through:. In this article, we explain the different types of infections, how to reduce the risk of infection, and what symptoms they cause. Stay informed with live updates on the current COVID outbreak and visit our coronavirus hub for more advice on prevention and treatment. The immune system is an effective barrier against infectious agents. At this stage, an infection becomes harmful.

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease. Some infectious diseases can be passed from person to person. Some are transmitted by insects or other animals. And you may get others by consuming contaminated food or water or being exposed to organisms in the environment.


nurses and midwives regarding infections and infectious diseases and their that can cause cross infection. different types of sterilizers and disinfector.


Communicable Diseases Module: 1. Basic Concepts in the Transmission of Communicable Diseases

Foodborne illness is caused by consuming contaminated foods or beverages. Many different disease-causing microbes or pathogens can contaminate foods, so there are many different types of foodborne illnesses. Most foodborne diseases are infections caused by a variety of bacteria, viruses, and parasites. Other diseases are poisonings caused by harmful toxins or chemicals that have contaminated food. Of note many foodborne pathogens also can be acquired through recreational or drinking water, from contact with animals or their environment, or through person-to-person spread.

The word disease implies that dis-ease not easy. In other words malfunctioning or improper functioning of various body parts like genetic disorder, hormonal imbalance, malfunctioning of immune system of body are some factors which affects the human health. The diseases caused by intrinsic sources are called organic or metabolic diseases like cardiac failure, kidney failure, diabetes, allergies, cancer etc and the diseases caused by extrinsic factors are Kwashiorkor, obesity, Night blindness, scurvy etc. Types of Diseases: On the basis of its nature, character and causes of its spreadness is of two types:. Congenital Disease is the diseases which are present since birth.

Все данные, свидетельствующие о том, кто чем владел, должны были исчезнуть навсегда. Поскольку для одновременного подрыва устройств была необходима точнейшая координация действий, все эти изделия были связаны между собой телефонными линиями через Интернет. Двое суток встроенные часы устройств обменивались бесконечными потоками зашифрованной синхронизирующейся информации.

Microbes and disease

Теперь он уже бежал по узкому проходу. Шаги все приближались.

List of Human Diseases

 Хорошо, а что, если… кошка. - Жила! - не задумываясь выпалил Беккер. - Жила. - Да. Кошачья жила. Из нее делают струны для ракеток. - Как мило, - вздохнула .

На стене криво висело баскетбольное кольцо. Пол был уставлен десятками больничных коек. В дальнем углу, прямо под табло, которое когда-то показывало счет проходивших здесь матчей, он увидел слегка покосившуюся телефонную будку. Дай Бог, чтобы телефон работал, мысленно взмолился Беккер. Двигаясь к будке, он нащупывал в кармане деньги.

Latest news

Она ударила его подушкой. - Рассказывай. Немедленно. Но Дэвид знал, что никогда ей этого не откроет. Секрет выражения без воска был ему слишком дорог. Он уходил корнями в давние времена.

Внутри клубились тучи черного дыма. Все трое как завороженные смотрели на это зрелище, не лишенное какой-то потусторонней величественности. Фонтейн словно окаменел.

Сигнальная лампочка вспыхнула, и массивная стена с грохотом отъехала влево. В АНБ было только одно помещение, еще более засекреченное, чем шифровалка, и Сьюзан поняла, что сейчас она окажется в святая святых агентства. ГЛАВА 109 Командный центр главного банка данных АНБ более всего напоминал Центр управления полетами НАСА в миниатюре. Десяток компьютерных терминалов располагались напротив видеоэкрана, занимавшего всю дальнюю стену площадью девять на двенадцать метров.

Сьюзан остановилась, собираясь с духом. Звук выстрела продолжал звучать у нее в голове. Горячий пар пробивался через люк подобно вулканическим газам, предшествующим извержению. Проклиная себя за то, что не забрала у Стратмора беретту, она пыталась вспомнить, где осталось оружие - у него или же в Третьем узле. Когда глаза Сьюзан немного привыкли к темноте, она посмотрела на дыру, зияющую в стеклянной стене.

Kidney Health and Kidney Disease Basics

0 Comments

LEAVE A COMMENT