A laboratory test result that helps confirm the diagnosis of systemic lupus erythematosus (SLE) is the Antinuclear antibody (ANA) test. ANA is a screening test and patients with lupus always test positive but a positive test result does not confirm the diagnosis of lupus as the signs and symptoms differ from person to person.
It is possible that people with no or any other autoimmune diseases test positive for ANA but the test results would be less strongly positive in this case as compared to the one with autoimmune diseases.
Once tested positive for ANA test, the person remains positive hence, repetitive future ANA screening is not required. SLE is an autoimmune disease that can affect different organs in different people hence, a combination of tests is required to diagnose lupus and treat it accordingly.
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The focused attention concern with one task whereas divided attention related with more that one task at a time.
<h3>Difference between focused and divided attention</h3>
- The main difference between focused attention and divided attention is that focused attention refers to the process of focusing resources on specific aspects or factor.
- While on the other hand, the divided attention are concerned with limitations of performing more than one task at one time.
So we can conclude that focused attention concern with one task whereas divided attention related with more that one task at a time.
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Answer:
The Twelvers is a branch of Shi'a Islam whose followers believe that there were twelve imams after the death of Muhammad. The 12th imam, however, has been kept alive by God and is hidden somewhere on Earth. Shi'a Muslims believe the 12th imam will one day make himself known and bring equality to all.
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the acceleration is in the opposite direction as the velocity.
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Answer : The remains of dead plants and animals settle to the bottom of an ocean or lake and are covered by mud. Pressure eventually forms these layers into rock.
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Why? : Basically sedimentary rocks are formed in low temperature, the pressure is low so the remains of any dead plants don't burn or get destroyed.
Igneous rocks form from molten rock and don't really get much fossils in them,
Metamorphic rocks has been under great pressure which fossils would not be able to survive in.
