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T or F
As blood volume decreases, blood pressure increases.
a decrease in blood volume = a decrease in blood pressure
What is interstitial fluid.
the fluid that flows between the cells that make up a particular tissue or organ, such as musclle fibeers or the liver
What are electrolytes?
- electrically charged minerals
- a substance that separates to form ions when dissolvedd in water
What do electrolytes do, generally?
- help regulate fluid balance
- enable nerves to respond to stimuli
- signal muscles to contract
What happens when free raddicals form in the phospholipid bilayer of a cell?
it breaks up the phospholipid bilayer which causes cell misfunction.
What role do antioxidants play in the cell membraane when free radicals form?
They stabilize the free radical.
T or F
Limitinng salt consumption will improve the blood pressure in virtually all individuals with hypertension.
Julie expends 24000 cal/day, assume average environmental conditions, about how much water should she drink per day?
The fluid outside of the body's cells, either interstitial fluid or intravascular fluid, is _____________ fluid.
The fluid held at any given time within the walls of the body's cells is ______________ fluid.
A substance composed of molecules that move past one another freely...characterized by their ability to conform to the shape of whatever container holds them.
True or False
Night blindness results when the cone cells are deficient in vitamin A.
cone cells for color
rod cells for light
True or False
Research suggests that vitamin C supplements taken daily will reduce the incidence of the common cold.
The doctor recently told John that he is anemic. John shoulld consume _____ with his iron supplement to increase its absorption.
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