6998954
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Quiz von Alexandra Bozan, aktualisiert more than 1 year ago
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Erstellt von Alexandra Bozan
vor etwa 8 Jahre
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Frage 1
Frage
The most abundant extracellular cation is
Antworten
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Na+
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Cl
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K+
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Mg++
Frage 2
Frage
Electrolyte reactivity is measured is
Antworten
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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
Frage 3
Frage
Which of the following mechanisms varies fluid output so that it equals input?
Antworten
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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
Frage 4
Frage
Which of the following statement is true?
Antworten
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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
Frage 5
Frage
Obese people have a higher water content per kilogram of body weight than slender people
Antworten
- True
- False
Frage 6
Frage
Fluid intake usually equals fluid output
Antworten
- True
- False
Frage 7
Frage
Electrolytes are substances that bind in water
Antworten
- True
- False
Frage 8
Frage
Thirst is associated with any condition that decreases total volume of body water
Antworten
- True
- False
Frage 9
Frage
Hypervolemia refers to excess blood volume
Antworten
- True
- False
Frage 10
Frage
The two factors that determine urine volume are
Antworten
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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
Frage 11
Frage
Which of the following is an example of obligatory fluid output?
Antworten
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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
Frage 12
Frage
Blood hydrostatic pressure
Antworten
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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
Frage 13
Frage
If a person takes nothing by mouth for several days, fluid output decreases to zero to compensate and maintain homeostasis
Antworten
- True
- False
Frage 14
Frage
Which of the following is not a correct statement regarding severe dehydration?
Antworten
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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
Frage 15
Frage
The formula representing Starling's law of the capillaries is
Antworten
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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
Frage 16
Frage
Which large molecules are retained by the selectively permeable cell membrane?
Antworten
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sodium ions
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potassium ions
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proteins
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water
Frage 17
Frage
Edema can be defined as the presence of abnormally large amounts of fluid in the intercellular spaces of the body
Antworten
- True
- False
Frage 18
Frage
The most significant player regulating ICF composition is the plasma membrane
Antworten
- True
- False
Frage 19
Frage
Osmotic pressure is influenced by large protein molecules in the intracellular fluid
Antworten
- True
- False
Frage 20
Frage
The release ADH causes an increase in the reabsorption of sodium and water by the renal tubules.
Antworten
- True
- False
Frage 21
Frage
Over 8 liters of various internal secretions are produced daily.
Antworten
- True
- False
Frage 22
Frage
Potassium deficit is termed hypokalemia
Antworten
- True
- False
Frage 23
Frage
ECF depletion is said to be the last line of defense against dehydration.
Antworten
- True
- False
Frage 24
Frage
By volume, intestinal secretions are the largest sodium-containing internal secretions.
Antworten
- True
- False
Frage 25
Frage
Skin turgor is an important indicator of fluid volume stability.
Antworten
- True
- False
Frage 26
Frage
The largest volume of water by far lies [blank_start]inside[blank_end] cells.
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inside
-
outside
Frage 27
Frage
Infants have [blank_start]more[blank_end] water in comparison to body weight than adults of either sex.
Antworten
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more
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less
Frage 28
Frage
In general as age increases, the amount of water per pound of body weight [blank_start]decreases[blank_end].
Antworten
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decreases
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increases
Frage 29
Frage
Signals generated by osmoreceptors in the subfornical organ and hypothalamus stimulate the secretion of
Antworten
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aldosterone
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insulin
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ADH
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ANH
Frage 30
Frage
Which of the following is true when ECF volume decreases?
Antworten
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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
Frage 31
Frage
Interstitial fluid contains hardly any protein anions
Antworten
- True
- False
Frage 32
Frage
No net transfer of water occurs between blood and interstitial fluid as long as effective filtration pressure (EFP) equals 0
Antworten
- True
- False
Frage 33
Frage
Any change in the solute concentration of ECF will have a direct effect on water movement across the cell
Antworten
- True
- False
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