PHYSIOLOGY
PULMONARY PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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up and out motion of the chest and inward motion of the abdomen
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excessive upper chest motion with increase use of accessory muscle use
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up and out motion of abdomen and inward motion of chest
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synchronous up and out motion of chest and abdomen
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Detailed explanation-1: -To test for paradoxical breathing, a person can lie on their back and take a deep breath. The chest and abdomen should expand when they inhale and contract when they exhale. If the chest and abdomen contract while inhaling and expand while breathing out, a person may have paradoxical breathing.
Detailed explanation-2: -Abdominal paradox is the most characteristic physical sign of dysfunction of the diaphragm, the principal muscle of respiration. However, it is often not easy to notice the sign, especially in the patients with neuromuscular disease.>
Detailed explanation-3: -In belly breathing, the diaphragm is activated and its dome (see figure 1 above) descends into the abdomen, pushing the belly forward. However, in chest breathing, the diaphragm is still active, even if its dome does not descend very far.