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

Anatomy & Physiology

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Aldosterone regulates __________.

A.)blood iodide ion levels B.)blood glucose levels C.)extracellular sodium and potassium ion levels D.)blood calcium ion levels

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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

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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.

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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

Anatomy & Physiology