which nerve provides innervation for the diaphragm?
a) vagus
b) hypoglossal
c) phrenic
d) intercostal
c) phrenic
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Which of the following conditions that can cause an airway obstruction is unique to patients with an injury to the upper cervical spine?
A) Retropharyngeal hematoma B) Blood or secretions in the mouth C) Oropharyngeal occlusion by the tongue D) Improperly inserted oropharyngeal airway
A complete cleft of the hard palate (cleft palate) would affect which of the following bones?
A. Palatine bone only B. Vomer bone only C. Maxilla only D. Palatine and vomer E. Palatine and maxilla
The normal partial pressure differences between inspired air and alveolar gas for O2, CO2, H2O, and N2 can be explained because of ________.
A. net movements of CO2 toward the alveoli with net movements of O2 and H2O into the capillaries B. net movement of CO2 and N2 toward the alveoli and H2O movements toward the alveoli as respiratory water C. net movements of CO2 toward the alveoli, O2 toward the alveoli, and H2O is added along the respiratory tract D. net movements of CO2, O2, and H2O into the alveoli from blood capillaries
The posterior pituitary
a. is composed of nervous tissue b. stores anterior pituitary hormones, which are released into the blood upon hypothalamic stimulation c. synthesizes and secretes vasopressin and oxytocin d. is composed of nervous tissue and synthesizes and secretes vasopressin and oxytocin e. has all of the above characteristics