Complete the following statement using the choices below. Air moves out of the lungs when the pressure inside the lungs is ________
A) equal to the pressure in the atmosphere
B) less than the pressure in the atmosphere
C) greater than the intra-alveolar pressure
D) greater than the pressure in the atmosphere
D
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Which of the following circumstances might cause small airways to collapse?
a. during normal quiet breathing b. during maximal forced expiration c. during pneumothorax d. both (b) and (c) above. e. all of these answers.
Which structure moves food from the pharynx to the stomach?
A. Epiglottis B. Esophagus C. Larynx D. Laryngopharynx
Damage to pontine nuclei might affect
A. vision. B. talking. C. blood pressure. D. respiration. E. heart rate.
Which of the following is not a derivative of ectoderm?
A) Salivary glands B) Cutaneous glands C) The nervous system D) The dermis E) The epidermis