Which of the following statements about respiratory accessory muscles is not correct?
a. They are recruited whenever the body's oxygen demand exceeds oxygen availability.
b. They include chest, shoulder, and abdominal muscles.
c. They bring more oxygen into the body by helping the chest wall expand more fully.
d. They decrease negative internal chest pressure to draw more air into the lungs.
Answer: d
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Answer the following statement true (T) or false (F)
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Indicate whether the statement is true or false
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