Which of the following statements concerning the dorsal and ventral respiratory groups is false?
A. They are located in the reticular activating system.
B. There is cross communication between these two groups.
C. These groups establish the basic rate and depth of breathing.
D. These groups increase the number of action potentials to the respiratory muscles during inspiration.
E. Two dorsal and two ventral respiratory groups make up the medullary respiratory center.
A
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Jerry is an alcoholic and does not eat enough food. He has been diagnosed with a vitamin deficiency. What blood disorder is the most likely a result of this deficiency?
A) aplastic anemia B) pernicious anemia C) hemolytic anemia D) iron-deficiency anemia
Which type of pathway does this diagram illustrate?
A. Spinal nerve pathway B. Postganglionic sympathetic nerve pathway C. Adrenal medulla pathway D. Splanchnic nerve pathway E. Raynaud nerve pathway
Which of the following descriptions best matches the term "duodenal ampulla"?
A) where pancreatic juice and bile enter duodenum B) carries absorbed sugars and amino acids C) stimulates pancreas to secrete bicarbonate-rich fluid D) causes gall bladder to contract E) stimulates gastric secretion
An actively contracting muscle will cause local temperature to rise and will produce acidic molecules. Warmth and lower pH cause the oxygen-hemoglobin saturation curve to shift ________ reflecting that hemoglobin releases ________ oxygen.
A. right; more B. left; more C. left; less D. right; less