One of the least complicated of the endocrine control systems directly responds to changing blood levels of ions and nutrients. Which of the following describes this mechanism?
A) carbohydrate oxidation
B) protein synthesis
C) catabolic inhibition
D) humoral stimulation
D
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The lack of extensive divergence of parasympathetic preganglionic axons prevents the mass activation seen in the sympathetic division.
Answer the following statement true (T) or false (F)
The heart valves
A. permit the passage of blood in one direction. B. separate the right and left sides of the heart. C. are only used in the fetal heart. D. stabilize and hold the arteries leaving the heart. E. direct the conduction impulse through the heart muscle.
How will the lungs compensate for an acute rise in the partial pressure of CO2 in arterial blood?
What will be an ideal response?
The network of nerve cells in the submucosa that regulates intestinal secretions is called the ________________
A. enteric plexus B. Auterbah plexus C. interstitial plexus D. intestinal plexus E. submucosal plexus