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SPORTS NUT > HYDRATION PT.2 > Flashcards

HYDRATION PT.2 Flashcards

1
Q

“normal” body water content within homeostatic range

A

euhydration

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2
Q

*the process of dynamic loss of body water
e.g., the transition from euhydration to hypohydration

A

dehydration

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3
Q

*the process of dynamic gain of body water (via fluid intake)
e.g., the transition from hypohydration to euhydration

A

rehydration

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4
Q

state of body water deficit

A

hypohydration

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5
Q

state of body water excess

A

over/hyperhydration

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6
Q

water % body mass

A

approx 50-70%

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7
Q

Total body water

A

0.73 x FFM

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8
Q

extracellular fluid (ECF)

A

35-45% of TBW

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9
Q

intracellular fluid (ICF)

A

55-65% of TB

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10
Q

Is the most abundant electrolyte in the extracellular space

A

Sodium (Na+)

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11
Q

Controls water movement between fluid compartments

A

Sodium

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12
Q

body water deficit

A

hypohydration

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13
Q

decreased plasma volume

A

Hypovolemia

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14
Q

increased plasma osmolality (concentration of dissolved solutes, mostly sodium, in the blood)

A

hyperosmolarity

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15
Q

lower stroke volume and higher heart rate

A

↑ Cardiovascular strain

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16
Q

decreased ability to dissipate body heat through sweating and skin blood flow

A

↑ Body core temperature

17
Q

early onset of fatigue leading to reduced performance

A

↑ Fatigue

18
Q

body mass gain because of a fluid surplus

A

Overhydration

19
Q

dilution of plasma sodium
concentration to < 135 mmol/L

A

Exercise Associated Hyponatremia

20
Q

severity of symptoms related to cell swelling
depends on how much and how fast plasma sodium [Na+] decreases

A

Water flux into the ICF

21
Q

can be used as a reliable marker of hydration status

A

Urine Color

22
Q

sensitive to changes in hydration state

A

Urine Specific Gravity (USG)

SPORTS NUT (3 decks)

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