Which statement regarding control of digestive processes is incorrect?
a. short reflexes influence motility and secretion in localized areas.
b. all elements of the short reflexes are contained within the digestive organ's wall.
c. hormones play a role.
d. osmoreceptors monitor the acidity of the luminal contents.
e. there are stretch receptors in the walls of digestive organs.
D
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Muscles that assist an agonist are called ________.
Fill in the blank(s) with the appropriate word(s).
Important organic osmolytes in marine osmoconformers are
a. polyols and sugars. b. glycine and taurine. c. methylamine and methylsulfonium. d. urea. e. all of these.
Phenylephrine functions as a/an ________ because it promotes ________ in nasal mucosa.
A. a1 antagonist; vasoconstriction B. b1 antagonist; vasodilation C. b1 agonist; vasodilation D. a1 agonist; vasoconstriction
What is the thin strand of pia mater that helps to anchor the spinal cord to the coccyx?
A. Filum terminale B. Coccygeal tendon C. Conus medullaris D. Cervical enlargement E. Terminus coccyx