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The maxillary first molar normally has three roots. The mesiobuccal root is broad distobuccal and has prominent depressions or flutings on its mesial and distal surfaces. The internal canal morphology is highly variable, but the majority of the mesiobuccal roots contain two canals.
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d is correct am pretty sure
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hope it helps
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they said it because it helps people stay hydrated
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hydration is important
Adults with presbycusis may have difficulty in discriminating fricatives because they have fewer functional nerve cells in the inner ear, which makes the inner ear work harder to process and transmit sound when background noise is present.
This indicates that the inner ear and brain are not effectively communicating with one another.
Presbycusis is the gradual hearing loss that most people experience as they age.
An age-related disorder that is common is hearing loss.
A hearing loss affects 30-35 percent of persons over 65. A hearing loss affects 40–50% of adults aged 75 and older, according to estimates.
Its primary symptom is trouble discriminating fricatives from background noise as the inner ear has to work harder to process and transmit sound when background noise is present because they have less functioning nerve cells.
Learn more about Presbycusis here brainly.com/question/4517300
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When the chest tube is disconnected from the chest tube drainage system, immediately clump the tube and place the end of the tube in sterile water and the two end need to be swabbed with alcohol and should be reconnected back.
A chest tube drainage system is a disposable and sterile system that includes a compartment system that has a one-way valve, with multiple chambers to remove air or fluid and prevent the return of them back into the patient. A chest tube drainage system consists of three chambers a Collection chamber, a Water-seal chamber, Wet or dry suction control chamber. the chest tube is a sterile tube with several drainage holes that are inserted into the pleural space. The chest tube is connected to a closed chest drainage system, which allows for fluid or air to be drained, and prevents them from entering the pleural space, the system is airtight to avoid the inflow of atmospheric pressure.
To know about chest tube and chest drainage system refer to the link brainly.com/question/28084925?referrer=searchResults.
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