How many skeletal muscles are there in the body?
a. about 400
b. 442
c. about 500
d. 535
e. about 600
e
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Low levels of T3 and T4 will cause:
What will be an ideal response?
Although most fishes are ectotherms, the efficiency of secondary production by fishes is substantially lower than the average of 50 percent measured for terrestrial ectotherms
What difference between aquatic and terrestrial environments might account for this difference?
A patient presents with gastric acid hypersecretion. It can be explained by an increase in the plasma concentration of which of the following?
a) secretin b) somatostatin c) gastrin d) gastric inhibitory peptide (GIP)
Which of the following does not impede the regeneration of CNS axons?
A. Scar tissue may form, obstructing regrowth. B. Oligodendrocytes do not release a nerve growth factor. C. CNS axons lack the myelin sheath needed for regeneration. D. No exceptions; all of the choices impede axon regeneration.