Action potentials in neurons in the inspiratory center of the medulla oblongata result in action potentials in the ________ nerves to the diaphragm, which in turn cause ________ of the muscle, resulting in a/an ________ in the volume of the thoracic cage.
A. motor; contraction; increase
B. sympathetic; relaxation; increase
C. parasympathetic; contraction; decrease
D. motor; contraction; decrease
E. sympathetic; contraction; increase
Answer: A
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A) sensory B) associative C) afferent D) descending
Which of the following would be greater?
A) the percent of oxygen saturation of hemoglobin when the temperature is 38 degrees centigrade B) the percent of oxygen saturation of hemoglobin when the temperature is 43 degrees centigrade C) the percent of oxygen saturation of hemoglobin when the temperature is 20 degrees centigrade
The jaw joint is the articulation of the ________ and the ________.
A. mandible; zygomatic bone B. maxilla; zygomatic C. mandible; maxilla D. mandible; temporal bone E. mandible; sphenoid bone
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