Describe the ionic form of calcium (what is its charge)? Then describe how three physiological systems would malfunction if calcium levels were not maintained homeostatically
What will be an ideal response?
Calcium is a divalent cation. If calcium levels are abnormal: 1) bones may weaken, 2) excitable tissues might malfunction (e.g., skeletal and cardiac muscle contractions are impaired), and 3) blood clotting might be inadequate.
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This figure shows respiratory control centers in the brainstem. What does number 3 indicate?
A. Central chemoreceptors B. Dorsal respiratory group C. Pontine respiratory center D. Ventral respiratory group
Which type of gland possesses ducts?
A. Exocrine B. Epicrine C. Hypocrine D. Ectocrine E. Endocrine
In the metric system, a gram (g) is a unit of mass.
Answer the following statement true (T) or false (F)
Which accurately describes the median eminence of the hypothalamus?
A. It is the site of synthesis of adrenocorticotropic hormone (ACTH). B. It is a site where neurohormones are release into blood vessels. C. It is the site where vasopressin is released into blood vessels. D. It is the stalk connecting the hypothalamus to the posterior pituitary. E. It is the main site where thyroid-stimulating hormone first enters the bloodstream.