Sodium-potassium pumps indirectly provide the energy source for SGLT carriers in intestinal cells
Indicate whether the statement is true or false
T
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A sample of John's blood shows a high level of pyrogens. This would indicate that John
A) is feeling achy. B) is producing T lymphocytes. C) has a sore throat. D) is running a fever. E) has swollen lymph nodes.
A spinal nerve passing through the intervertebral foramen is
A) composed of efferent fibers only. B) associated with the vertebra above. C) composed of afferent fibers only. D) associated with cranial nerve C1.
____ percent of the energy found in nutrient molecules is lost as heat
a. 10 b. 25 c. 50 d. 75 e. 90
Cardiac muscle cells in the atria are capable of contracting spontaneously because of a spontaneous depolarization resulting from:
A. an inward current through a hyperpolarization activated channel B. cyclic changes in the activity of the Na+,K+-ATPase C. slow leak of Ca++ through the dihydropyridine receptor D. cyclic changes in the activity of the sarcolemmal Ca++ pump E. cyclic changes in the activity of SERCA