How would a hemorrhage immediately affect the activity of the baroreceptors?
A. The baroreceptors would increase their rate of firing to all medullary cardiovascular center cell types.
B. The baroreceptors would increase their rate of firing to cells in the medulla oblongata that activate sympathetic pathways and decrease their rate of firing to cells in the medulla oblongata that activate parasympathetic pathways.
C. The baroreceptors would decrease their rate of firing to all medullary cardiovascular center cell types.
D. The baroreceptors would decrease their rate of firing to cells in the medulla oblongata that activate sympathetic pathways and increase their rate of firing to cells in the medulla oblongata that activate parasympathetic pathways.
E. A hemorrhage would not affect the activity of the baroreceptors.
C
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In the context of respiratory physiology, what is ventilation?
A) The process of moving the respiratory medium across the respiratory surface B) The movement of air C) The respiratory rate D) Cooling caused by panting
Hypothetically, if a muscle were stretched to the point where thick and thin filaments no longer overlapped, ________
A) maximum force production would result because the muscle has a maximum range of travel B) ATP consumption would increase because the sarcomere is "trying" to contract C) no muscle tension could be generated D) cross bridge attachment would be optimum because of all the free binding sites on actin
countercurrent exchange system
Fill in the blank(s) with the appropriate word(s).
The reduced scrap rate saved the company $42,000 per year in construction material. The total cost of the training program was $4,500. The difference between the two figures is an example of a _____ criteria of training.
A. reaction B. results C. behavioral D. action