Study Guide: Fluid and Electrolyte Balance

Descrição

Study Guide: Fluid and Electrolyte Balance
Alexandra Bozan
Quiz por Alexandra Bozan, atualizado more than 1 year ago
Alexandra Bozan
Criado por Alexandra Bozan mais de 7 anos atrás
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Resumo de Recurso

Questão 1

Questão
The most abundant extracellular cation is
Responda
  • Na+
  • Cl
  • K+
  • Mg++

Questão 2

Questão
Electrolyte reactivity is measured is
Responda
  • mg/100 L
  • milliequivalents
  • mEq/L
  • both milliequivalents and mEq/L

Questão 3

Questão
Which of the following mechanisms varies fluid output so that it equals input?
Responda
  • antidiuretic device
  • aldosterone mechanism
  • renin-angiotensin-aldosterone mechanism
  • both aldosterone mechanism and renin-angiotensin-aldosterone mechanism

Questão 4

Questão
Which of the following statement is true?
Responda
  • Total body water as a percentage of total body weight does not differ due to age
  • Total body water as a percentage of total body weight is approximately 30% in a healthy non-obese female
  • Males that are healthy and non-obese will have 60% of their body weight as water
  • Adipose tissue contains less water than bone tissue

Questão 5

Questão
Obese people have a higher water content per kilogram of body weight than slender people
Responda
  • True
  • False

Questão 6

Questão
Fluid intake usually equals fluid output
Responda
  • True
  • False

Questão 7

Questão
Electrolytes are substances that bind in water
Responda
  • True
  • False

Questão 8

Questão
Thirst is associated with any condition that decreases total volume of body water
Responda
  • True
  • False

Questão 9

Questão
Hypervolemia refers to excess blood volume
Responda
  • True
  • False

Questão 10

Questão
The two factors that determine urine volume are
Responda
  • the amount of antidiuretic hormone (ADH) and aldosterone secretion
  • the amount of adrenocorticotropic hormone (ACTH) and ADH secretion
  • fluid intake and ADH secretion
  • the glomerular filtration rate and the rate of water reabsorption by the renal tubules

Questão 11

Questão
Which of the following is an example of obligatory fluid output?
Responda
  • water vapor in expired air
  • water diffusion through the skin
  • both water vapor in expired air and water diffusion through the skin
  • none of the above

Questão 12

Questão
Blood hydrostatic pressure
Responda
  • tends to force fluid out of capillaries and into interstitial fluid
  • tends to force fluid out of interstitial fluid and into capillaries
  • allows for an equilibrium across the capillary membrane
  • none of the above

Questão 13

Questão
If a person takes nothing by mouth for several days, fluid output decreases to zero to compensate and maintain homeostasis
Responda
  • True
  • False

Questão 14

Questão
Which of the following is not a correct statement regarding severe dehydration?
Responda
  • Loss of skin turgor is a symptom of severe dehydration
  • the relative loss of water in sweat is greater than the loss of electrolytes
  • Sweating serves the body by increasing body heat
  • Treatment of dehydration requires appropriate electrolyte replacement therapy

Questão 15

Questão
The formula representing Starling's law of the capillaries is
Responda
  • (BHP + BCOP) - (IFCOP + IFHP) = EFP
  • (BHP + IFHP) - (IFCOP + BCOP) = EFP
  • (BHP + IFCOP) - (IFHP + BCOP) = EFP

Questão 16

Questão
Which large molecules are retained by the selectively permeable cell membrane?
Responda
  • sodium ions
  • potassium ions
  • proteins
  • water

Questão 17

Questão
Edema can be defined as the presence of abnormally large amounts of fluid in the intercellular spaces of the body
Responda
  • True
  • False

Questão 18

Questão
The most significant player regulating ICF composition is the plasma membrane
Responda
  • True
  • False

Questão 19

Questão
Osmotic pressure is influenced by large protein molecules in the intracellular fluid
Responda
  • True
  • False

Questão 20

Questão
The release ADH causes an increase in the reabsorption of sodium and water by the renal tubules.
Responda
  • True
  • False

Questão 21

Questão
Over 8 liters of various internal secretions are produced daily.
Responda
  • True
  • False

Questão 22

Questão
Potassium deficit is termed hypokalemia
Responda
  • True
  • False

Questão 23

Questão
ECF depletion is said to be the last line of defense against dehydration.
Responda
  • True
  • False

Questão 24

Questão
By volume, intestinal secretions are the largest sodium-containing internal secretions.
Responda
  • True
  • False

Questão 25

Questão
Skin turgor is an important indicator of fluid volume stability.
Responda
  • True
  • False

Questão 26

Questão
The largest volume of water by far lies [blank_start]inside[blank_end] cells.
Responda
  • inside
  • outside

Questão 27

Questão
Infants have [blank_start]more[blank_end] water in comparison to body weight than adults of either sex.
Responda
  • more
  • less

Questão 28

Questão
In general as age increases, the amount of water per pound of body weight [blank_start]decreases[blank_end].
Responda
  • decreases
  • increases

Questão 29

Questão
Signals generated by osmoreceptors in the subfornical organ and hypothalamus stimulate the secretion of
Responda
  • aldosterone
  • insulin
  • ADH
  • ANH

Questão 30

Questão
Which of the following is true when ECF volume decreases?
Responda
  • Aldosterone secretion increases
  • Kidney tubule reabsorption of sodium increases
  • Urine volume decreases
  • All of the above are true

Questão 31

Questão
Interstitial fluid contains hardly any protein anions
Responda
  • True
  • False

Questão 32

Questão
No net transfer of water occurs between blood and interstitial fluid as long as effective filtration pressure (EFP) equals 0
Responda
  • True
  • False

Questão 33

Questão
Any change in the solute concentration of ECF will have a direct effect on water movement across the cell
Responda
  • True
  • False

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