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Vertebrate trachea: Quiz


Question 1: This mucus lines the cells of the trachea to trap inhaled foreign particles which the cilia then waft upwards towards their larynx and then the pharynx where it can either be swallowed into the ________ or expelled as phlegm.
Small intestineStomachColon (anatomy)Vermiform appendix

Question 2: The trachealis muscle connects the ends of the incomplete rings, and contracts during ________, reducing the size of the lumen of the trachea to increase the air flow rate.
PleurisyICD-10 Chapter XVIII: Symptoms, signs and abnormal clinical and laboratory findingsPneumoniaCough

Question 3: It is lined with pseudostratified ciliated columnar epithelium cells with mucosal goblet cells which produce ________.
MucusInfluenzaLungRespiratory system

Question 4: In ________, the trachea runs from the pharynx to the syrinx, from which the primary bronchi diverge.
ArchaeopteryxModern birdsEnantiornithesBird

Question 5: A longer trachea is, however found in some long-necked salamanders, and in ________.

Question 6: It commences at the ________, level with the fifth cervical vertebra, and bifurcates into the primary bronchi at the vertebral level of T4/T5.
Respiratory systemThyroidLarynxDigestion

Question 7: ________ (perforation of the trachea or bronchi)
Pulmonary contusionPneumothoraxHemothoraxTracheobronchial injury

Question 8: ________ have an unusually elongated trachea, part of which is coiled beneath the sternum; this may act as a resonator to amplify sound.
BirdMute SwanSwanAnatidae

Question 9: Allowing for variations in the length of the neck, the trachea in other ________ is generally similar to that in humans.
MammalEven-toed ungulatePrimateMammal classification

Question 10: While there are irregular cartilagenous nodules on the amphibian trachea, these do not form the rings found in ________.


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