Fluid Concentrations

Question 1

Osmolality is measured in

Answer 1

MilliOsmols/kg

Question 2

Osmolality is used to assess

Answer 2

Body’s state of water balance

Question 3

High Osmolality =

Answer 3

Water deficit

Question 4

low Osmolality

Answer 4

Water excess

Question 5

What is the preferred measure to evaluate the concentration of plasma, urine, and other body fluids?

Answer 5

Osmolality

Question 6

Osmolarity is measures in

Answer 6

MilliOsmols/L

Question 7

Hypotonic

Answer 7

1/2 normal saline
Moving into cells like a hippo
cells will swell

Question 8

Isotonic

Answer 8

Normal saline
-equal to - match (“I - so perfect”
Don’t need a change so doesn’t cause any change

Question 9

Hypertonic

Answer 9

D5 normal saline
Hyper= energy; makes cells skinny; fluid pulled from cell
cells will shrink

Question 10

The __________ system helps maintain fluid balance in the body

Answer 10

Lymphatic

Question 11

Kidneys regulate

Answer 11

Fluid and electrolyte balance by adjusting urine volume and the excretion of electrolytes

Question 12

If loss of 1-2% fluid,

Answer 12

Kidney reabsorbs more water = concentrated urine

Question 13

ADH is produced

Answer 13

By hypothalamus and stored in pituitary

Question 14

ADH restores blood volume by:

Answer 14

Reducing diuresis
Increasing water retention
Vasoconstricts

Question 15

What is the medication form of ADH

Answer 15

Vasopressin (Desmopressin)

Question 16

Aldosterone functions in the body

Answer 16

Water regulator
Causes kidneys to retain Na+ and water
Released if Na+ is low and K+ high

Question 17

Where salt goes

Answer 17

Water follows

Question 18

ANP stops action of

Answer 18

RAAS

Question 19

ANP decreases

Answer 19

Blood pressure by vasodilation

Question 20

ANP reduces fluid volume by

Answer 20

Increasing secretion of Na+ and water

Question 21

ANP main function

Answer 21

To lower blood pressure and to control electrolyte homeostasis

Question 22

BNP levels go up when

Answer 22

The heart cannot pump the way it should

Question 23

Thirst is regulated by

Answer 23

The hypothalamus

Question 24

Thirst is stimulated by

Answer 24

Increase in ECF and drying of mucous membranes

Question 25

Thirst causes

Answer 25

A person to drink fluid

Question 26

What depletes electrolytes?

Answer 26

VPPS
Vomiting, peeing, pooping, sweating

Question 27

where fluids go —>

Answer 27

Electrolytes go