Presynaptic facilitation makes a pathway
A) less likely to be in use, just through hyperpolarization of selected neurons and capable of alteration, just through training and conditioning.
B) more likely to be in use, just through depolarization of selected neurons and capable of alteration, just through training and conditioning.
C) more likely to be in use, just through depolarization of selected neurons.
D) less likely to be in use, just through hyperpolarization of selected neurons.
E) capable of alteration, just through training and conditioning.
B) more likely to be in use, just through depolarization of selected neurons and capable of alteration, just through training and conditioning.
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Match the secretion with the correct cell type.A. Endocrine cellsB. HepatocyteC. Parietal cellsD. Acinar cellsE. Goblet cellsBile
Fill in the blank(s) with the appropriate word(s).
The cells involved in cell-mediated immunity are ________.
A. macrophages B. neutrophils C. lymphocytes D. monocytes
Which of the following statements is NOT true with regard to bones of the skull?
a) Some skull bones are covered with a mucous membrane. b) The only movable bone in the skull is the mandible. c) The bones of the skull contain foramina but no fissures. d) The facial bones provide support for the entrance of the digestive system. e) Some bones of the skull contain sinus cavities.
Which of the following is true regarding the levator scapulae?
A. It is innervated by the phrenic nerve. B. It elevates the scapula if the scapula is fixed. C. It rotates the scapula and depresses the apex of the shoulder. D. It flexes the neck if the scapula is fixed. E. It protracts the scapula if the humerus is fixed.