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Fluid and Electrolyte Balance
Ch 17: Fluid and Electrolyte Balance
19
Nursing
Professional
12/27/2009

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Term
enzymes, hormones, and nutrients,
Definition
he fluids move into and out of the cells, bringing with them _____, _____ and _____
Term
waste products
Definition
the end products of metabolism
Term
homeostasis
Definition
the dynamic process through which the body maintains balance by constantly adjusting to internal and external stimuli
Term
feedback
Definition
the relaying of information about a given condition to the appropriate organ or system.
Term
Negative feedback
Definition
the body reverses an original stimulus to regain physiologic balance (homeostasis).
Term
positive feedback
Definition
the body enhances or intensifies the original stimulus
Term
negative feedback
Definition
Blood pressure control and maintenance of body temperature are examples of __________________ systems
Term
positive feedback
Definition
In an abnormal condition, ____________ systems can lead to greater instability and can even lead to death.
Term
the nervous and endocrine systems
Definition
The major systems involved in feedback
Term
ICF: the fluid inside the cells
Definition
constitutes about two thirds of the total body fluid in an adult
Term
ICF functions
Definition
Stabilizing agent for the parts of the cell. Helps to maintain cell shape. Also assists with the transport of nutrients across the cell membrane and in and out of the cell.
Term
interstitial fluid
Definition
tissue fluid
Term
intravascular fluid
Definition
fluid within the blood vessels
Term
Intravascular fluid
Definition
known as plasma
Term
The volume of ECF
Definition
the most important regulated aspect of body fluid balance
Term
hypovolemic shock
Definition
A condition caused by a significant loss of ECF volume. Blood pressure drops to a life-threatening point where cells can no longer function, due to a lack of oxygen and nutrients.
Term
brain, kidneys, and pituitary gland
Definition
The body monitors ECF volumes closely and sends messages to the _______, _______, and __________ to maintain control.
Term
antidiuretic hormone (ADH)
Definition
The pituitary gland releases
Term
atrial natriuretic peptide (ANP) hormone
Definition
released by the heart
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