Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

A + P II > BODY FLUID + ELECTROLYTE BALANCE 2 > Flashcards

BODY FLUID + ELECTROLYTE BALANCE 2 Flashcards

1
Q

what are the four key regulator hormones in water output

A

ADH, aldosterone, antinaturetic pepide, angitensin II

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what makes ADH different

A

the only one that acts on water itself; the other hormones act on salt to act on water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

how does ADH maintain blood pressure, blood volume and tissue water content

A

by controlling the amount of water (urine concentration) excreted by the kidney

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

why does aldosterone effect blood pressure

A

because it regulates salt and water in the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

how does ANP regulate salt-water balance and blood pressure

A

by promoting renal sodium and water excretion and stimulating vasodilation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what makes ANP different

A

only hormone thats released in response to high blood pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

how does ANG II raise blood pressure

A

vasoconstriction, sympathetic nervous stimulation, increased aldosterone biosynthesis and renal actions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

increased ECF osmolarity + increased NA concentration in plasma stimulates osmoreceptors in hypothalamus. what does this result in

A

the posterior pitaurty releasing renin which causes the kidney tubules to absorb more water which decreases urine volume and ECF osmolarity and increases plasma volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

decreased plasma volume and blood pressure inhibit baroreceptors in atria and large vessels. what does this result in

A

the posterior pitaurty releasing renin which causes the kidney tubules to absorb more water which decreases urine volume and ECF osmolarity and increases plasma volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what are some causes of dehydration

A

hemorrhage, severe burns, prolonged vomiting/diarrhea, profuse sweating, diuretic
abuse, water deprivation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what are some signs / symptoms of dehydration

A

dry mouth, thirst, dry skin, decreased urine output, weight loss, fever,
mental confusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what causes hypotonic hyperhydration

A

renal insufficiency or drinking too much too fast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

whats the effect of hypotonic hyperhydration

A

hyponatremia, cell swelling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what are some signs / symptoms of hypotonic hyperhydration

A

nausea, vomiting, muscle cramps, cerebral edema, disorientation, convulsions, coma, death

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what edema

A

Atypical accumulation of fluid only in interstitial spaces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what does edema result in an increase in

A

capillary hydrostatic pressure and permeability

17
Q

whats the effect of edema

A

impaired tissue function, gas & nutrient exchange

18
Q

what are some salts

A

Sodium, potassium, calcium, phosphate

19
Q

what does salt balance control

A

fluid movements and balance

20
Q

what is salt balance essential for

A

membrane excitability, secretory activity, permeability

21
Q

what are some examples of salt intake and loss

A

Intake: foods, fluids
Loss: sweat, feces, urine, vomit

22
Q

whats the most abundant cation in ecf

A

sodium

23
Q

sodium exerts significant osmotic pressure (water follows salt). what does this result in

A

Plays role in ECF volume and body water distribution

24
Q

what does sodium content control and why is this important

A

sodium controls ECF volume which determines blood pressure

25
Q

what is sodium controlling ECF volume regulated by

A

RAAS, ANP

26
Q

what does sodium concentration determine and what is this important for

A

determines ECF osmolality
Important for neuron and muscle excitability

27
Q

what is Na concentration controlled by

A

osmosis, ADH

28
Q

when is aldosterone released

A

due to low Na+ or BP

29
Q

what does aldosterone result in (Na reabsorption + BV)

A

» ↑ Na+ reabsorption from kidneys
→ Passive ↑ water reabsorption into blood
→ ↑ blood volume
→ ↑ blood pressure

30
Q

when is atrial neurotic peptide released

A

due to high Na+ or BP

31
Q

what does atrial neurotic peptide result in (Na reabsorption + BV)

A

» ↓ ADH release
→ ↓ Na+ reabsorption from kidneys
→ Passive ↓ water reabsorption into blood → ↓ blood volume
→ ↓ blood pressure

32
Q

what is ADH (sodium?) released in response to

A

high [Na+] or low BP

33
Q

what does ADH result in (Na concentration + BV)

A

» ↑ water reabsorption from kidneys
→ ↓ urine volume
→ ↓ Na+ concentration
→ ↑ blood volume/pressure

A + P II (31 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions