Blood pressure regulation is a function of aldosterone although this hormone indirectly promotes water reabsorption.
a. true
b. false
a. true
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Bulk filtration occurs as a result of
A. concentration gradients. B. the expenditure of energy in the form of ATP. C. hydrostatic pressure. D. ion pumps. E. molecular movement with carrier assistance.
The sodium level inside and outside of a resting cell is an example of the
A. kinetic energy of sodium rushing out of a cell down its concentration gradient. B. kinetic energy of the large difference in sodium concentration on the inside versus the outside of the cell. C. potential energy of a concentration gradient, because sodium is more abundant outside the cell. D. potential energy of an electron transport chain, because sodium has an extra electron to donate. E. conversion of potential energy to kinetic energy, because sodium can never move across the cell membrane and must move across its surface.
The type of exocrine gland in which the entire cell disintegrates, liberating any accumulated products, is the ________ gland.
A. goblet cell B. apocrine C. holocrine D. merocrine E. None of the choices is correct.
What is the first major event of organogenesis?
A) formation of the endocrine glands B) formation of somites C) neurulation D) formation of the skin