Which of the following prevents the alveoli fromcollapsing?a. residual volumeb. tidal volumec. expiratory reserve volumed. inspiratory reserve volume

Please use this formula Va=(Vt-Vd)×RR TV=Vt

What type of artificial tracheal airway should be used for the following clinical situations? If more than one option is indicated, include all appropriate choices with an explanation. A. Patient in cardiac arrest: B: Patient with a suspect C1 fracture: C. 3-year old patient with epiglottis: D. Patient with paralyzed vocal cords:

What is the best definition of vital capacity?   Group of answer choices A. The maximum volume of air that can be inhaled and then exhaled B. The maximum volume of air that can be inspired from rest C. The maximum volume of air that can be expired form rest D. The maximum volume of air that the lungs can contain in total

The increased ventilation that occurs due to decreased arterial pH (= increased hydrogen ion) is mediated through the:   a. peripheral chemoreceptors   b. central chemoreceptors   c. both of the above   d. none of the above

Which of the following is true regarding respiratory distress syndrome? A. The work of breathing of the infant is reduced B. Type I alveolar cells are not properly synthesizing surfactant C. Sensation of oxygen and carbon dioxide by the chemoreceptors is inadequate D. Surface tension within alveoli is too high so the alveoli collapse E. The alveoli are not big enough yet to allow the infant to properly breathe