Quiz
Study Guide: Fluid and Electrolyte Balance
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Questions in this quiz (33)
1The most abundant extracellular cation is
- ANa+
- BCl
- CK+
- DMg++
2Electrolyte reactivity is measured is
- Amg/100 L
- Bmilliequivalents
- CmEq/L
- Dboth milliequivalents and mEq/L
3Which of the following mechanisms varies fluid output so that it equals input?
- Aantidiuretic device
- Baldosterone mechanism
- Crenin-angiotensin-aldosterone mechanism
- Dboth aldosterone mechanism and renin-angiotensin-aldosterone mechanism
4Which of the following statement is true?
- ATotal body water as a percentage of total body weight does not differ due to age
- BTotal body water as a percentage of total body weight is approximately 30% in a healthy non-obese female
- CMales that are healthy and non-obese will have 60% of their body weight as water
- DAdipose tissue contains less water than bone tissue
5Obese people have a higher water content per kilogram of body weight than slender people
- ATrue
- BFalse
6Fluid intake usually equals fluid output
- ATrue
- BFalse
7Electrolytes are substances that bind in water
- ATrue
- BFalse
8Thirst is associated with any condition that decreases total volume of body water
- ATrue
- BFalse
9Hypervolemia refers to excess blood volume
- ATrue
- BFalse
10The two factors that determine urine volume are
- Athe amount of antidiuretic hormone (ADH) and aldosterone secretion
- Bthe amount of adrenocorticotropic hormone (ACTH) and ADH secretion
- Cfluid intake and ADH secretion
- Dthe glomerular filtration rate and the rate of water reabsorption by the renal tubules
11Which of the following is an example of obligatory fluid output?
- Awater vapor in expired air
- Bwater diffusion through the skin
- Cboth water vapor in expired air and water diffusion through the skin
- Dnone of the above
12Blood hydrostatic pressure
- Atends to force fluid out of capillaries and into interstitial fluid
- Btends to force fluid out of interstitial fluid and into capillaries
- Callows for an equilibrium across the capillary membrane
- Dnone of the above
13If a person takes nothing by mouth for several days, fluid output decreases to zero to compensate and maintain homeostasis
- ATrue
- BFalse
14Which of the following is not a correct statement regarding severe dehydration?
- ALoss of skin turgor is a symptom of severe dehydration
- Bthe relative loss of water in sweat is greater than the loss of electrolytes
- CSweating serves the body by increasing body heat
- DTreatment of dehydration requires appropriate electrolyte replacement therapy
15The formula representing Starling's law of the capillaries is
- A(BHP + BCOP) - (IFCOP + IFHP) = EFP
- B(BHP + IFHP) - (IFCOP + BCOP) = EFP
- C(BHP + IFCOP) - (IFHP + BCOP) = EFP
16Which large molecules are retained by the selectively permeable cell membrane?
- Asodium ions
- Bpotassium ions
- Cproteins
- Dwater
17Edema can be defined as the presence of abnormally large amounts of fluid in the intercellular spaces of the body
- ATrue
- BFalse
18The most significant player regulating ICF composition is the plasma membrane
- ATrue
- BFalse
19Osmotic pressure is influenced by large protein molecules in the intracellular fluid
- ATrue
- BFalse
20The release ADH causes an increase in the reabsorption of sodium and water by the renal tubules.
- ATrue
- BFalse
21Over 8 liters of various internal secretions are produced daily.
- ATrue
- BFalse
22Potassium deficit is termed hypokalemia
- ATrue
- BFalse
23ECF depletion is said to be the last line of defense against dehydration.
- ATrue
- BFalse
24By volume, intestinal secretions are the largest sodium-containing internal secretions.
- ATrue
- BFalse
25Skin turgor is an important indicator of fluid volume stability.
- ATrue
- BFalse
26The largest volume of water by far lies [blank_start]inside[blank_end] cells.
- Ainside
- Boutside
27Infants have [blank_start]more[blank_end] water in comparison to body weight than adults of either sex.
- Amore
- Bless
28In general as age increases, the amount of water per pound of body weight [blank_start]decreases[blank_end].
- Adecreases
- Bincreases
29Signals generated by osmoreceptors in the subfornical organ and hypothalamus stimulate the secretion of
- Aaldosterone
- Binsulin
- CADH
- DANH
30Which of the following is true when ECF volume decreases?
- AAldosterone secretion increases
- BKidney tubule reabsorption of sodium increases
- CUrine volume decreases
- DAll of the above are true
31Interstitial fluid contains hardly any protein anions
- ATrue
- BFalse
32No net transfer of water occurs between blood and interstitial fluid as long as effective filtration pressure (EFP) equals 0
- ATrue
- BFalse
33Any change in the solute concentration of ECF will have a direct effect on water movement across the cell
- ATrue
- BFalse
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- Study Guide: Fluid and Electrolyte Balance
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- Alexandra Bozan
- Language
- English
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