6998954
Descripción
Test por Alexandra Bozan, actualizado hace más de 1 año
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Creado por Alexandra Bozan
hace alrededor de 8 años
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Pregunta 1
Pregunta
The most abundant extracellular cation is
Respuesta
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Na+
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Cl
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K+
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Mg++
Pregunta 2
Pregunta
Electrolyte reactivity is measured is
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mg/100 L
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milliequivalents
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mEq/L
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both milliequivalents and mEq/L
Pregunta 3
Pregunta
Which of the following mechanisms varies fluid output so that it equals input?
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antidiuretic device
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aldosterone mechanism
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renin-angiotensin-aldosterone mechanism
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both aldosterone mechanism and renin-angiotensin-aldosterone mechanism
Pregunta 4
Pregunta
Which of the following statement is true?
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Total body water as a percentage of total body weight does not differ due to age
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Total body water as a percentage of total body weight is approximately 30% in a healthy non-obese female
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Males that are healthy and non-obese will have 60% of their body weight as water
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Adipose tissue contains less water than bone tissue
Pregunta 5
Pregunta
Obese people have a higher water content per kilogram of body weight than slender people
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- True
- False
Pregunta 6
Pregunta
Fluid intake usually equals fluid output
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- True
- False
Pregunta 7
Pregunta
Electrolytes are substances that bind in water
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- True
- False
Pregunta 8
Pregunta
Thirst is associated with any condition that decreases total volume of body water
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- True
- False
Pregunta 9
Pregunta
Hypervolemia refers to excess blood volume
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- True
- False
Pregunta 10
Pregunta
The two factors that determine urine volume are
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the amount of antidiuretic hormone (ADH) and aldosterone secretion
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the amount of adrenocorticotropic hormone (ACTH) and ADH secretion
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fluid intake and ADH secretion
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the glomerular filtration rate and the rate of water reabsorption by the renal tubules
Pregunta 11
Pregunta
Which of the following is an example of obligatory fluid output?
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water vapor in expired air
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water diffusion through the skin
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both water vapor in expired air and water diffusion through the skin
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none of the above
Pregunta 12
Pregunta
Blood hydrostatic pressure
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tends to force fluid out of capillaries and into interstitial fluid
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tends to force fluid out of interstitial fluid and into capillaries
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allows for an equilibrium across the capillary membrane
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none of the above
Pregunta 13
Pregunta
If a person takes nothing by mouth for several days, fluid output decreases to zero to compensate and maintain homeostasis
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- True
- False
Pregunta 14
Pregunta
Which of the following is not a correct statement regarding severe dehydration?
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Loss of skin turgor is a symptom of severe dehydration
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the relative loss of water in sweat is greater than the loss of electrolytes
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Sweating serves the body by increasing body heat
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Treatment of dehydration requires appropriate electrolyte replacement therapy
Pregunta 15
Pregunta
The formula representing Starling's law of the capillaries is
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(BHP + BCOP) - (IFCOP + IFHP) = EFP
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(BHP + IFHP) - (IFCOP + BCOP) = EFP
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(BHP + IFCOP) - (IFHP + BCOP) = EFP
Pregunta 16
Pregunta
Which large molecules are retained by the selectively permeable cell membrane?
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sodium ions
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potassium ions
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proteins
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water
Pregunta 17
Pregunta
Edema can be defined as the presence of abnormally large amounts of fluid in the intercellular spaces of the body
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- True
- False
Pregunta 18
Pregunta
The most significant player regulating ICF composition is the plasma membrane
Respuesta
- True
- False
Pregunta 19
Pregunta
Osmotic pressure is influenced by large protein molecules in the intracellular fluid
Respuesta
- True
- False
Pregunta 20
Pregunta
The release ADH causes an increase in the reabsorption of sodium and water by the renal tubules.
Respuesta
- True
- False
Pregunta 21
Pregunta
Over 8 liters of various internal secretions are produced daily.
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- True
- False
Pregunta 22
Pregunta
Potassium deficit is termed hypokalemia
Respuesta
- True
- False
Pregunta 23
Pregunta
ECF depletion is said to be the last line of defense against dehydration.
Respuesta
- True
- False
Pregunta 24
Pregunta
By volume, intestinal secretions are the largest sodium-containing internal secretions.
Respuesta
- True
- False
Pregunta 25
Pregunta
Skin turgor is an important indicator of fluid volume stability.
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- True
- False
Pregunta 26
Pregunta
The largest volume of water by far lies [blank_start]inside[blank_end] cells.
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inside
-
outside
Pregunta 27
Pregunta
Infants have [blank_start]more[blank_end] water in comparison to body weight than adults of either sex.
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more
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less
Pregunta 28
Pregunta
In general as age increases, the amount of water per pound of body weight [blank_start]decreases[blank_end].
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decreases
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increases
Pregunta 29
Pregunta
Signals generated by osmoreceptors in the subfornical organ and hypothalamus stimulate the secretion of
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aldosterone
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insulin
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ADH
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ANH
Pregunta 30
Pregunta
Which of the following is true when ECF volume decreases?
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Aldosterone secretion increases
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Kidney tubule reabsorption of sodium increases
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Urine volume decreases
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All of the above are true
Pregunta 31
Pregunta
Interstitial fluid contains hardly any protein anions
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- True
- False
Pregunta 32
Pregunta
No net transfer of water occurs between blood and interstitial fluid as long as effective filtration pressure (EFP) equals 0
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- True
- False
Pregunta 33
Pregunta
Any change in the solute concentration of ECF will have a direct effect on water movement across the cell
Respuesta
- True
- False
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