Slow-wave potentials are common in multiunit smooth muscle located in the walls of organs in the digestive system
Indicate whether the statement is true or false
F
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If a newly purchased animal appears healthy, why should it be quarantined?
What will be an ideal response?
What is responsible for initiating contraction of smooth muscle?
a. stimulation by motor neurons b. inhibition of acetylcholinesterase c. membrane potential drifting to threshold as a result of automatic changes in ion movement across the membrane d. excitation of the gap junctions by transmitter substance e. stimulation by the autonomic nervous system
Which of the following is not a major activity of the stomach?
A. enzyme secretion B. mechanical digestion C. nutrient absorption D. mucus secretion E. HCl secretion
In the absence of the enzyme carbonic anhydrase, the combination of water and carbon dioxide to form carbonic acid does not occur.
Answer the following statement true (T) or false (F)