How would a spirometer tracing be different in a person with a collapsed lung? Why? What must occur to restore the respiratory function to normal?
What will be an ideal response?
Each volume would be roughly reduced by half, because only one lung is functioning. The collapsed lung cannot be used for pulmonary ventilation until the damage to the pleura is repaired and the low intrapleural pressure and residual volume is reestablished.
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During the procedure known as a(n) ________, a needle is inserted into the subarachnoid space in the inferior lumbar region
A) myelography B) encephalomyelogram C) laminectomy D) lumbar puncture E) thoracic tap
During development embryonic cells will fuse to form muscle fibers. This will result in ________
A) the coordination of nerve signals to muscle fibers B) the striations that appear in skeletal and cardiac muscle tissues C) multinucleated muscle fibers that can extend as long as 30 centimeters D) interlocking of cells that can prevent the filaments from sliding
Cleavage as part of embryonic development is distinctive because it involves ________
A) the fusion of gametes B) cell division by mitosis C) meiosis D) None of the listed responses is correct.
Which of the following foods is NOT a good dietary source of vitamins?
A. Green, leafy vegetables B. Citrus fruits C. Nuts D. Red meat