Vasopressin

question 311

Multiple Choice

Vasopressin

• A)is produced in the hypothalamus
• B)increases the permeability of the distal and collecting tubules to water
• C)secretion is stimulated by a water deficit in the body
• D)promotes water reabsorption
• E)has all of the above characteristics

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Definitions:

Positive Charge

A type of electrical charge, typically carried by protons, that repels other positive charges and attracts negative charges.

Ionic Compounds

Compounds composed of ions held together by ionic bonds; typically formed when a metal reacts with a nonmetal or a polyatomic ion.

CH4

CH4, methane, is a simple alkane hydrocarbon with one carbon atom bonded to four hydrogen atoms, and is a major component of natural gas.

NH3

Ammonia, a colorless gas with a pungent smell, consisting of nitrogen and hydrogen (NH3).