What is the most effective means of increasing alveolar ventilation?
a. breathe slowly and deeply
b. increase total pulmonary circulation
c. increase rapid shallow breathing
d. breathe normally
Answer: a. breathe slowly and deeply
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Where is the buccinator?
a) F b) G c) I d) J e) K
You have just disembarked from an airplane following a cross-country flight. You are experiencing difficulty in hearing and notice that your ears are plugged
To relieve the pressure you try "yawning" to clear the ear canal. It worked. What muscle was involved? A. Middle constrictor B. Levator veli palatini C. Salpingopharyngeus D. Palatopharyngeus E. Tensor veli palatini
Pulmonary arteries have __________ blood pressure compared to systemic arteries.
A. similar B. a little lower C. considerably lower D. considerably higher E. a little higher
Which of the following situations would decrease the oxygenation of fetal blood?
A. A decrease in maternal hemoglobin B. An increase in fetal hemoglobin C. A decrease in binding affinity of maternal hemoglobin D. A decrease in fetal hemoglobin