Ch. 7

Question 1

fifty to ___ percent of an adults healthy body weight is fluid

Answer 1

70

Question 2

wht is the function of synovial fluid

Answer 2

lubricates body joints

Question 3

what is not a symptom of low blood pressure

Answer 3

stroke

Question 4

what has a high heat capacity. what does this term mean.

Answer 4

water is resistant to changes in temperature

Question 5

water is known as the universal solvent. this means that ___

Answer 5

most solutes will dissolve in water

Question 6

what will likely result if the concentration of electrolytes outside the cell is higher thatn in the intracellular environment

Answer 6

the celll will shrink and dry up

Question 7

what is the primary reason we sweat

Answer 7

to regulate body temperature

Question 8

most water is lost daily via the

Answer 8

kidneys

Question 9

the ability of a muscle to contract and relax is dependent on the flow of ___ in and out of the muscle cell

Answer 9

calcium

Question 10

the command center of fluid intake is located in the

Answer 10

hyothalamus

Question 11

what stimulates the thirst mechanism

Answer 11

decreased concentration of solutes in the blood

Question 12

insensible water loss includes water loss ___

Answer 12

through respiration

Question 13

what is a major mineral

Answer 13

sodium

Question 14

hyponatremia is associated with ___

Answer 14

overhydration

Question 15

diets high in sodium are associated with ___

Answer 15

high blood pressure

Question 16

the water that comes from lakes rivers and reservoirs is ___ water

Answer 16

surface

Question 17

diets rich in ___ are associated with maintaining healthy blood pressure levels

Answer 17

potassium

Question 18

who would be at risk for hyperkalemia

Answer 18

an individual with kidney disease

Question 19

the majority of dietary chloride is consued from ___

Answer 19

table salt

Question 20

what is not a function of chloride

Answer 20

used in public water supplies to kill harmful bacteria

Question 21

the majority of our bodys phosphorus is stored in he

Answer 21

bones

Question 22

widely distributed in many foods, phosphorous is especially abundant in foods dense in ___

Answer 22

protein

Question 23

mary drinks 600milliliters of water. how many cups is that

Answer 23

2 1/2 cups

Question 24

on average, what individuals would have the highest percentage of body water

Answer 24

35 yo lean man

Question 25

what is not true about phosphorus

Answer 25

on average, americans do not consume enough phosphorus in their diets

Question 26

what food contains the lowest amount of sodium

Answer 26

1 medium fresh orange

Question 27

what is a diuretic

Answer 27

alcohol

Question 28

what is not a major function of sodium

Answer 28

maintains normal heart rythem

Question 29

what do sodium and potassium not have in common

Answer 29

rich sources of both include fresh foods such as bananas cantaloupe and potatoes

Question 30

what condition is not related to an electrolyte imbalance

Answer 30

hypoglycemia

Question 31

the fluid that is found in between cells is called ___ fluid

Answer 31

interstitial

Question 32

what does not describe tissue fluid

Answer 32

fluid that is found in the blood streem

Question 33

what is not a mechanism to maintain the bodys internal temperature

Answer 33

warmed fluids from the bodies surface return to the bodys core, thus heating the body

Question 34

the movement of water through a semipermeable membrane toward solutes is alled

Answer 34

osmosis

Question 35

what condition would result in a decreased water loss from the body

Answer 35

high sodium intake

Question 36

the two electrolytes that enable nerves to respond to stimuli are sodium and ___

Answer 36

potassium

Question 37

what ethnic group has the highest risk of developing hypertension

Answer 37

african american

Question 38

the agency that sets and monitors standards for city water systems is the

Answer 38

epa