A child's growth would be stunted by thyroid hormone deficiency.
Answer the following statement true (T) or false (F)
True
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White matter is found in all of the following locations EXCEPT the ________
A) cerebral cortex B) outer portion of the spinal cord C) corpus callosum D) corticospinal tracts
Which of the following statements concerning propagation of action potentials is incorrect?
a. saltatory conduction occurs in myelinated nerve fibers. b. during conduction by local current flow, there is a flow of current between the active and adjacent inactive area of the cell membrane, thereby decreasing the potential in the inactive area to threshold. c. the action potential jumps from one Schwann cell to the adjacent Schwann cell in a myelinated fiber. d. saltatory conduction is faster than conduction by local current flow. e. conduction by local current flow is the method of propagation in unmyelinated fibers.
Ultrafiltration and osmoconcentration occur in
a. Protonephridia. b. Metanephridia. c. Mesonephridia. d. metanephridia and mesonephridia. e. protonephridia and metanephridia.
Which of the following statements is false regarding the pericardium?
A. The pericardium is composed of two layers, the visceral pleura and parietal pericardium. B. The visceral layer of the pericardium is in contact with the heart. C. Pericardial fluid fills the space between the two layers of the pericardium. D. The pericardium is an example of a serous membrane.