Immunology is the study of diseases associated with excesses and deficiencies of the immune system.
<h3>What is immune system?</h3>
A network of biological processes called the immune system guards an organism against disease. It recognizes and reacts to a wide range of pathogens, separating them from the organism's own healthy tissue, including viruses, parasitic worms, cancer cells, and things like wood splinters. There are two main immune system subsystems seen in many species. The innate immune system responds to a variety of events and stimuli in a predetermined way. The adaptive immune system learns to recognize chemicals it has previously met and responds to each stimulus in a way that is specific to that stimulus. Both rely on molecules and cells to carry out their respective tasks.
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Answer: What is unique about Jahir's case of conversion disorder is that this is <u>a psychological condition.</u>
Explanation:
It is a mental condition in which a person has blindness, paralysis or other symptoms of the nervous system (neurological) that cannot be explained by a medical evaluation. Conversion disorder symptoms may occur due to <em>psychological conflict.</em> Symptoms usually begin suddenly after a <em>stressful experience.</em>
People suffering from conversion disorder are not inventing the symptoms in order to obtain accommodation, for example<em> (simulating).</em> They either do not intentionally injure themselves or lie about their symptoms just to become a patient (factitious disorder). Some health care providers falsely believe that this disorder is not a real condition and can tell people that the whole problem is in their head. However, this condition is real. It causes anguish and cannot be controlled at will.
Psychotherapy and stress management training can help reduce symptoms. The affected part of the body or physical function may need physical therapy or occupational therapy until the symptoms disappear.
Answer:B
Explanation:Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. From the left atrium blood flows into the left ventricle.
