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During spontaneous respirations, the major contribution to the total respiratory resistance is by which of the following? | During spontaneous respirations, the major contribution to the total respiratory resistance is by which of the following? | ||
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E. Bronchioles | E. Bronchioles | ||
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==Answer== | ==Answer== | ||
The answer is A. The nose, mouth and large airways constitute the major components of airway resistance.<ref>LeSouef PN, England SJ, Bryan AC. Total resistance of the respiratory system in preterm infants with and without an endotracheal tube. J Pediatr. 1984 Jan;104(1):108-11.[http://www.ncbi.nlm.nih.gov/pubmed/6361227]</ref> | The answer is A. The nose, mouth and large airways constitute the major components of airway resistance.<ref>LeSouef PN, England SJ, Bryan AC. Total resistance of the respiratory system in preterm infants with and without an endotracheal tube. J Pediatr. 1984 Jan;104(1):108-11.[http://www.ncbi.nlm.nih.gov/pubmed/6361227]</ref> | ||
==Notes== | ==Notes== | ||
<references /> | <references /> | ||
[http://www.gosh.nhs.uk/health-professionals/clinical-guidelines/arterial-lines/ Arterial lines -Great Ormond Street Hospital] | |||
==Keywords== | ==Keywords== | ||
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Carl F Doershuk and LeRoy W Matthews. Airway Resistance and Lung Volume in the Newborn Infant [http://www.nature.com/pr/journal/v3/n2/abs/pr196915a.html Pediatric Research (1969) 3, 128–134.] | Carl F Doershuk and LeRoy W Matthews. Airway Resistance and Lung Volume in the Newborn Infant [http://www.nature.com/pr/journal/v3/n2/abs/pr196915a.html Pediatric Research (1969) 3, 128–134.] | ||
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