A laminectomy is a procedure used to treat osteoporosis that removes part of the
posterior arch of a vertebra.
Indicate whether the statement is true or false
FALSE
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Which term does not belong?
A. medullary pyramids B. collecting duct C. renal pyramids D. glomeruli
The blood-brain barrier is made up of
A. microglial extensions and capillary endothelial cells. B. ependymal cells and venous blood vessels. C. astrocyte perivascular feet and capillary endothelial cells. D. astrocyte extensions and dural sinuses. E. astrocyte perivascular feet and the falx cerebri.
Which is one of the major inhibitory neurotransmitters in the CNS?
A. Glutamate B. Gamma-aminobutyric acid (GABA) C. Beta-endorphin D. Norepinephrine E. Dopamine
Answer the following statements true (T) or false (F)
1. Pancreatic beta cells release insulin. 2. Lack of production of insulin by the pancreatic alpha cells can cause diabetes mellitus. 3. An abnormally low level of insulin production may cause glycosuria. 4. The thymus gland is located in the neck and produces thymosin. 5. The placenta produces the substance that can be detected by home pregnancy tests.