The Valsalva maneuver involves all of the following, EXCEPT: a. closure of the glottis b. contraction of the diaphragm c. relaxation of the internal anal sphincter d. contraction of the external anal sphincter
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During inhalation, ___________. a. the thoracic cavity expands b. the glottis closes c. the diaphragm relaxes d. all of the above
Which of the following best describes the Valsalva maneuver? A) It prevents food and drink from entering the nasal cavity. B) It is used to dislodge foreign matter from the airway. C) It increases pressure in the abdominal cavity and helps to expel abdominal contents. D) It protects the lungs from overinflation. E) It prevents food and drink from entering the trachea.
Madhur L.
During inhalation, the ____________. a. thoracic cavity expands b. glottis closes c. diaphragm relaxes d. alveoli deflate
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