exam 2

Question 1

about -% of total body weight is water

Answer 1

50-60%

Question 2

The body fluid compartment include all the following except

Answer 2

the kidneys ?

Question 3

Describe the difference sensible and insensible water loss

Answer 3

Sensible is seen. Ex- urine, feces, sweat
Insensible is unseen Ex- expired breath

Question 4

Most sensible water loss is lost in

Answer 4

Urine

Question 5

Thirst is felt when

Answer 5

Plasma osmolarity decreases

Question 6

Where is the feeling of thirst is generated?

Answer 6

Hypothalamus

Question 7

What is water intoxication? How can excess water lead to cerebral edema?

Answer 7

water intoxication is when water is being consumed in a high quantity causing electrolyte balance. water draws through the blood-barrier due to osmosis

Question 8

Which ion so the most abundant in intracellular fluid?

Answer 8

k+

Question 9

which hormone is the primary regulator of plasma Na+ concentration?

Answer 9

Aldosterone (ALD)

Question 10

Which ion is a blood clotting factor?

Answer 10

Ca++

Question 11

When H+ concentration increases, pH

Answer 11

Decreases

Question 12

The osmolarity of extracellular fluid is mainly contributed by

Answer 12

NA+

Question 13

How does a buffer affects pH?

Answer 13

It resists the change in pH

Question 14

Define metabolic water

Answer 14

Water created inside a living organism through metabolism, by oxidizing energy-contains substance in food and adipose. ex- water gain

Question 15

Hypoventilation

Answer 15

Respiratory acidosis

Question 16

Chronic vomiting causes

Answer 16

Metabolic alkalosis

Question 17

Hyperventilation causes

Answer 17

Respiratory acidosis

Question 18

Explain the difference in the water content between males and females

Answer 18

F- Less H2O content more fat
M-more H20 content less fat; more muscle

Question 19

What effect does dehydration have on blood osmolarity? On blood pressure? On blood volume?

Answer 19

Blood osmolarity decreases, Blood pressure increases, Blood volume becomes thicker and more concentrated

Question 20

When H+ concentration decreases, pH

Answer 20

Increases

Question 21

Be able to sketch the feedback Mechanism for dehydration

Answer 21

NOTES

Question 22

What are the functions of the lymphatic system

Answer 22

fluid balance, Lipid absorption and Immunity/ defense