What causes the pumping action (influx and outflux of water containing nutrients and waste) of the intervertebral discs in adults?
A. blood supply
B. body motion
C. neural activity
D. both A and B
E. all of the above
B. body motion
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Membrane proteins that extend into the lipid bilayer are called ________.
A. integral proteins B. glycoproteins C. extrinsic proteins D. peripheral proteins E. lipoproteins
All of the following are true about areolar connective tissue except
A. it sustains tissue tension. B. it holds tissue fluids. C. it binds organs loosely together. D. it consists of cells in a fluid-gel matrix. E. All of these are true of areolar connective tissue.
A motor neuron carries impulses
A. to muscles and glands. B. always within the CNS. C. to the CNS.
A student's dietary intake includes 100 grams of fat and a total of 2000 kilocalories. What percentage of the total kilocalories in this student's diet comes from fat?
A. 50% B. 45% C. 20% D. 37% E. 10%