The hypothalamus functions in:
A) secreting a hormone called melatonin. B) sending information to the cerebral cortex.
C) regulating the autonomic nervous system. D) coordinating movement.
Answer: C
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Functions of the gallbladder include
A) secretion of gastrin, a stomach hormone. B) secretion of acids to assist the duodenum in breakdown of lipids. C) storage of bile. D) secretion of bile. E) All of the answers are correct.
The "calcium influx factor," or CIF, refers to a factor that:
A. is released by endothelial cells to promote contraction of adjacent smooth muscle B. facilitates Ca++ refilling of the SR by promoting localized Ca++ influx in the cell C. is necessary for activation of voltage-gated Ca++ channels in smooth muscle D. facilitates contraction of smooth muscle by elevating cytosolic Ca++ concentration E. promotes relaxation of smooth muscle by inducing Ca++ sparks
Aldosterone regulates __________.
A.)blood iodide ion levels B.)blood glucose levels C.)extracellular sodium and potassium ion levels D.)blood calcium ion levels
Which of the following is NOT a form of RNA used in protein synthesis?
A. Ribosomal RNA B. Messenger RNA C. Transfer RNA D. Negative RNA