Plants have several defence mechanisms that help them fight off germs. These include physical barriers, such as a waxy cuticle on the leaves that can keep out microbial invaders, as well as chemical defences, such as the production of antimicrobial compounds. Plants also have the ability to recognize and respond to the presence of specific …
Blood grouping is the process of determining an individual’s blood type. It is based on the presence or absence of certain antigens (substances that can stimulate an immune response) on the surface of red blood cells. The most common system of blood typing is the ABO system, which is based on the presence or absence …
Proper identification of donor and recipient: Before any blood transfusion, both the donor and the recipient must be identified to ensure that the right blood is given to the right person. Proper screening of donor blood: All donated blood must be tested for diseases such as HIV, hepatitis, and syphilis. Compatibility testing: The donated blood …
Precautions of blood transfusion – രക്തനിവേശനത്തിൻ്റെ മുൻകരുതലുകൾ Read More »
Blood transfusion is a medical procedure in which blood or a blood component is transferred from one person (donor) into another person’s bloodstream. The purpose of a blood transfusion may be to replace lost blood components, such as red blood cells, white blood cells, plasma, clotting factors, or platelets. Blood transfusions can also be used …
First aid is the immediate care given to a person who has been injured or is in sudden physical distress. It is important to be prepared to provide first aid in any situation to help save a life. Common first aid techniques include cleaning and bandaging wounds, controlling bleeding, providing CPR, and using a defibrillator. …
Antibiotics are medications used to treat bacterial infections. They work by either killing bacteria or inhibiting their growth. They are available in many forms, including tablets, capsules, liquids, creams, and injections. Antibiotics can be classified into two broad categories: broad-spectrum antibiotics and narrow-spectrum antibiotics. Broad-spectrum antibiotics are effective against a wide range of bacteria, while …
A laboratory test is a type of medical test that is performed in a laboratory setting. These tests are typically used to diagnose or monitor a wide variety of medical conditions, such as infections, allergies, heart disease, and many other diseases and conditions. Some laboratory tests are simple and involve just a few steps, while …
1. Computerized Tomography (CT) Scan: This imaging tool uses X-rays and a computer to create detailed cross-sectional images of the body. It is often used to diagnose cancer, detect internal injuries, and assess heart and lung conditions. 2. Magnetic Resonance Imaging (MRI): This imaging tool uses a strong magnetic field and radio waves to create …
Immunization is the process by which an individual’s immune system is stimulated to develop immunity to a specific disease or set of diseases. Immunization involves the administration of a vaccine, which contains antigens (substances that stimulate an immune response) that mimic the disease-causing organism, thus stimulating the body to produce antibodies (immune molecules) against the …
The lymphatic system is a network of tissues and organs that help the body fight against infection and disease. It is part of the body’s immune system and includes the lymph nodes, tonsils, thymus, spleen, and bone marrow. These organs and tissues produce, store, and carry white blood cells that fight infection and other diseases. …