All of the following occur when a rod is stimulated by light, except
A) ganglion cells pick up changes in activity in the bipolar cells.
B) the retinal changes to a more linear shape.
C) neurotransmitter release changes.
D) Na+ permeability changes.
E) ATP is hydrolyzed.
Answer: E
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Loss of coordination and balance, but not paralysis is associated with:
a. damage to descending excitatory pathways b. excitatory inputs to motor neurons being unopposed because of disruption of an inhibitory system in the brain stem. c. damage to the spinal cord d. damage to the cerebellum e. loss of alpha motor neurons
The body's most preferred source of energy is ____________________.
What will be an ideal response?
Circular folds (plicae circulares) are characteristic of which of the following structures?
(A) transverse colon (B) stomach (C) jejunum (D) cecum (E) sigmoid
The globulins make up about ________ percent of all plasma proteins.
A. 58 B. 1 C. 4 D. 37 E. 85