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Fluid, Electrolyte, Acid Base Quiz
Terms in this set (25)
Which of the following tissues contains the highest percentage of water?
What cation is necessary for generation and conduction of action potentials and contributes nearly half of the osmotic pressure of extracellular fluid?
Which of the following are the main intracellular components?
protein, potassium, and phosphate ions
what chemical substance dissociates in water and carries an electrical current?
Where is the thirst center that stimulates the conscious desire to drink water located?
Which of the following describes the mechanism in which ADH preserves water?
enhances passive movement of water out of collecting ducts
Which of the following is associated with edema?
accumulation of fluid in interstitial space
Which of the following is the major regulator of the level of sodium ions in the extracellular fluid?
Which of the following describes the function of aldosterone?
regulates Na & K in the extracellular fluid
Which of the following stimulates the release of ANP?
stretching of the atrial wall by high BP
What is the primary method of H2O movement in and out of body compartments
What determines the direction of water movement between fluid compartments?
the concentration of solutes
Which of the following explains an increase in the permeability of the cells of the collecting tubule to water?
an increase in ADH production
Which of the following describes hypotonic hydration?
the movement of water from interstitial fluid into intercellular fluid due to osmotic gradients
Which of the following would serve to buffer H+?
the HCO3-1 ion
What is a substance that functions to prevent rapid, drastic changes in the ph of a body fluid by changing strong acids and bases into weak acids and bases?
which of the following is a buffer for hydroxide ions?
What are the three major chemical buffer systems of the body?
bicarbonate, phosphate, and protein buffer system
Which of the following explains why venous blood is more acidic than arterial blood?
partial pressure of CO2 is greater in venous blood
How does the body respond when compensating for metabolic acidosis?
increases respiratory rate
Which of the following is associated with metabolic acidosis in uncontrolled diabetes mellitus?
increased rate of ketogenesis causes a low blood pH
The act of rapid deep breathing called hyperventilation can result in what homeostatic imbalance?
Which of the following would the body excrete in response to respiratory alkalosis?
What is the renal mechanism for regulating acid base balance of the blood?
reabsorbing, generating or excreting bicarbonate ions
Which of the following reflects the symptoms of a patient with uncontrolled chronic obstructive pulmonary disease (COPD)?
pH of 7.32 & high pCO2 level
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