Patho ?s Flashcards
Fluid loss in response to hypervolemia is promoted by:
a. stimulating secretion of ADH, thereby promoting urinary sodium and water elimination
b. inhibiting the secretion of aldosterone, thereby promoting urinary sodium and water elimination
c. lowering mean arterial pressure
d. administering osmotically active fluids
b. inhibiting the secretion of aldosterone, thereby promoting urinary sodium and water elimination
Which of the following ions is most closely related to water movement?
a. potassium
b. sodium
c. chloride
d. calcium
b. sodium
*Which compartment contains the greatest amount of body water?
a. transcellular
b. plasma
c. interstitial
d. intracellular
d. intracellular
*Which of the following transport mechanisms is associated with movement of water across a semi-permeable membrane?
a. diffusion
b. osmosis
c. facilitated diffusion
d. active transport
b. osmosis
Which of the following conditions will most likely result in edema?
a. intravascular filtration pressure greater than interstitial filtration pressure
b. intravascular reabsorption greater than interstitial reabsorption
c. intravascular colloid osmotic pressure greater than interstitial colloid osmotic pressure
d. increased lymphatic pressure
a. intravascular filtration pressure greater than interstitial filtration pressure
*Ascites is the primary mechanism of body fluid imbalance in which of the following conditions?
a. salt-losing tubulopathy
b. cirrhosis
c. AIDS
d. isonatremic dehydration
b. cirrhosis
Hypokalemia is a hallmark of which of the following conditions?
a. salt-losing tubulopathy
b. cirrhosis
c. AIDS
d. isonatremic dehydration
a. salt-losing tubulopathy
Hypotonic fluid loss may result in:
a. hyponatremic dehydration
b. isonatremic dehydration
c. hypernatremic dehydration
d. none of the above
c. hypernatremic dehydration
*Which presents the greatest percentage of water in the extracellular compartment?
a. interstitial volume
b. plasma volume
c. transcellular volume
d. intracellular volume
a. interstitial volume
Which of the following is an anion?
a. sodium
b. hydrogen
c. chloride
d. potassium
c. chloride
Which of the following combinations of ions are most likely to bind, forming molecules?
a. anion and anion
b. anion and cation
c. cation and cation
d. none of the above
b. anion and cation
Which of the following best describes the concentration of solute in a particular volume of fluid bases on electrolyte charge equivalency?
a. mg/dL
b. dL
c. mEq/L
d. mEq
c. mEq/L
The blood product used for laboratory analysis that does not contain clotting factors is known as:
a. whole blood
b. cellular blood component
c. serum
d. plasma
d. plasma
Movement of particles across the plasma membrane is promoted when the substance is:
a. large
b. small
c. hydrophilic
d. lipid insoluble
b. small
*The pressure generated as water moves across a membrane is also known as:
a. osmotic pressure
b. hydrostatic pressure
c. filtration pressure
d. lymphatic pressure
a. osmotic pressure
The protein dependent forces that promote fluid movement into the intravascular space are known as:
a. capillary filtration pressure
b. interstitial filtration pressure
c. capillary osmotic pressure
d. tissue filtration pressure
c. capillary osmotic pressure
Hypothalamic sensory neurons that promote thirst when stimulated are called:
a. baroreceptors
b. chemoreceptors
c. thermoreceptors
d. osmoreceptors
d. osmoreceptors
Which class of diuretics work in the distal convoluted tubule of the kidney by preventing reabsorption of sodium?
a. thiazide diuretics
b. loop diuretics
c. potassium-sparing diuretics
d. proximal diuretics
a. thiazide diuretics
Solutions in which the extracellular osmotic force is greater than the intracellular environment is known as:
a. hypotonic
b. isotonic
c. hypertonic
d. normotonic
c. hypertonic
Hyponatremia results in:
a. swelling of cells
b. shrinking of cells
c. no change in cell size
d. bursting of cells
a. swelling of cells
An example of the action of sodium-potassium pump transport includes which one of the following?
a. transport of potassium out of the cell
b. transport of ATP out of the cell
c. transport of sodium into the cell
d. transport of sodium out of the cell
d. transport of sodium out of the cell
Which of the following minerals would you expect to decrease in association with increases in calcium?
a. sodium
b. phosphate
c. magnesium
d. potassium
b. phosphate
In the initial phases, portal hypertension leads to ascites due to which mechanism of fluid transport?
a. increased hydrostatic pressure
b. increased osmotic pressure
c. reduced hydrostatic pressure
d. reduced osmotic pressure
a. increased hydrostatic pressure
Treatment of ascites is removal of fluid by which procedure?
a. amniocentesis
b. thoracentesis
c. culdocentesis
d. paracentesis
d. Paracentesis
Fluid shifts in isonatremic dehydration are:
a. intravascular to extravascular
b. extravascular to intravascular
c. extravascular to interstitial
d. absent
d. absent
Which of the following is an example of a strong acid?
a. albumin
b. inorganic phosphorus
c. sodium
d. lactate
d. lactate
*A pH of 7.5 is defined as:
a. alkalosis
b. acidosis
d. acidemia
d. alkalemia
a. alkalosis
An example of anion exchange includes:
a. sodium and hydrogen exchange
b. sodium and chloride exchange
c. bicarbonate and chloride exchange
d. hydrogen and bicarbonate exchange
c. bicarbonate and chloride exchange
*Hypokalemia is often associated with which one of the following conditions?
a. metabolic alkalosis
b. metabolic acidosis
c. hyperchloremia
d. none of the above
a. metabolic alkalosis
*Metabolic acidosis may be associated with:
a. increased chloride levels
b. increased metabolic acids
c. decreased bicarbonate
d. all of the above
d. all the above
Hyperlactatemia due to drug treatment is a complication in which of the following conditions?
a. salt-losing tubulopathy
b. cirrhosis
c. AIDS
d. isonatremic dehydration
c. AIDS
*The most rapid acting buffer system is the:
a. plasma buffer system
b. respiratory buffer system
c. renal buffer system
d. potassium-hydrogen exchange
a. plasma buffer system
*Which condition results from a deficit of HCO3-?
a. metabolic acidosis
b. respiratory acidosis
c. metabolic alkalosis
d. respiratory alkalosis
a. metabolic acidosis
The loss of strong cations and potassium in renal tubulopathy leads to:
a. metabolic acidosis
b. respiratory acidosis
c. metabolic alkalosis
d. respiratory alkalosis
c. metabolic alkalosis