Chemistry of the Body - Part II

Question 1

What is used for the maintenance of chemical balance in the body?

a. expiration
b. Homeostasis
c. pH scale

Answer 1

b. Homeostasis

Question 2

What is it called when the pH of your body rises above 7.4?

a. carbon dioxide
b. indicator
c. alkadosis

Answer 2

c. alkadosis

Question 3

What are cells that transport oxygen to our body and are made of iron?

a. Red blood cells
b. buffer solution
c. salt

Answer 3

a. red blood cells

Question 4

What is the condition in the body where the lungs fail to expel enough CO(2) causing the build up of carbonic acid in the body?

a. carbon dioxide
b. base
c. acidosis

Answer 4

c. acidosis

Question 5

What is the bacteria that is around the body that does NOT cause damage unless they get into the body?

a. enzyme
b. amylase
c. harmful bacteria

Answer 5

c. harmful bacteria

Question 6

What are the cells in the body that are responsible for our immunity and fighting off invaders?

a. side effects
b. white blood cells
c. salt

Answer 6

b. white blood cells

Question 7

What is it called when medicine we take to help us - ends up disrupting a different system?

a. amylase
b. expiration
c. side effects

Answer 7

c. side effects

Question 8

What are the molecule an enzyme works on known as?

a. substrate
b. pH scale
c. indicator

Answer 8

a. substrate

Question 9

What is a biological catalyst that speeds up the reaction without being a part of the reaction themselves?

a. active site
b. base
c. enzyme

Answer 9

c. enzyme

Question 10

What is the enzyme in the salvia that helps breaks down glucose molecules?

a. Henry’s Law
b. acid
c. amylase

Answer 10

c. amylase

Question 11

What is it called when you increase the size of the cavity causing a drop in pressure?

a. inspiration
b. cellular chemistry
c. acidosis

Answer 11

a. inspiration

Question 12

What is the name of the instrument used to determine if a substance is and acid or a base?

a. pH scale
b. Henry’s Law
c. breathing rate

Answer 12

a. pH scale

Question 13

What is a substance that when dissolved in water gives off H+ ions?

a. base
b. acid
c. salt

Answer 13

b. acid

Question 14

What is it called when you decrease the size of your cavity causing an increase in pressure?

a. expiration
b. neutralization
c. substrate

Answer 14

a. expiration

Question 15

What are substances used to determine the pH of various substances?

a. indicator
b. acid
c. salt

Answer 15

a. indicator

Question 16

What states that a gas will dissolve into and out of a liquid in direct relation to pressure differences?

a. inspiration
b. Henry’s Law
c. cellular chemistry

Answer 16

b. Henry’s Law

Question 17

What is the substance called when dissolved in water produces OH- ions?

a. base
b. salt
c. acid

Answer 17

a. base

Question 18

What is a solution that can neutralize an acid or a base?

a. indicator
b. buffer solution
c. carbon dioxide

Answer 18

b. buffer solution

Question 19

What is the place where the enzyme and the substrate come together?

a. neutralization
b. active sight
c. amylase

Answer 19

b. active sight

Question 20

What is the gas we breathe out?

a. substrate
b. buffer solution
c. carbon dioxide

Answer 20

c. carbon dioxide

Question 21

Regulating breathing does what for the body?

a. lose weight
b. to control the pressure
c. maintain homeostasis

Answer 21

c. maintain hmeostasis

Question 22

Blood is made of all of the following EXCEPT?

a. platelets
b. Calcium
c. red blood cells

Answer 22

b. Calcium

Question 23

On the pH scale which of the following is a strong acid?

a. 8
b. 5
c. 1

Answer 23

c. 1

Question 24

Homeostasis occurs when which of the following is controlled?

a. levels of Oxygen
b. Levels of Carbon dioxide
c. pH level
d. all of the above

Answer 24

d. all of the above

Question 25

In a mild case of acidosis you could experience which of the following? a. death b. shock c. disorientation

Answer 25

c. disorientation

Question 26

Of the following common indicators which is the MOST common to use? a. litmus paper b. phenolphthalein c. pH paper

Answer 26

a. litmus paper

Question 27

Which of the following canNOT harmful bacteria be found? a. food b. purified water sources c. everyday surroundings

Answer 27

b. Purified water sources

Question 28

What is the place where the enzyme and the substrate come together known as? a. connection point b. meeting point c. active site

Answer 28

c. active site

Question 29

During inspiration air will do which of the following? a. move into the lungs b. stay in the lungs c. move out of the lungs

Answer 29

a. move into the lungs

Question 30

To neutralize a base you would add what? a. indicator b. another base c. an acid

Answer 30

c. an acid

Question 31

What will air do during expiration? a. goes into the body b. stand still c. move out of the lungs

Answer 31

c. move out of the lungs

Question 32

What needs to be controlled for the body to be in homeostasis? a. Carbon dioxide b. pH c. oxygen d. all of the above

Answer 32

d. all of the above

Question 33

What does the pH scale measure? a. OH- ions b. H+ ions c. H+ and OH- ions

Answer 33

c. H+ ions

Question 34

If you wanted to neutralize Hydrochloric acid you would add . . what? a. base b. indicator c. acid

Answer 34

a. base

Question 35

What is produced during neutralization? a. water b. acids c. salt d. A and B e. B and C f. A and C

Answer 35

I do not know

Question 36

What do enzymes do? a. work with specific substrate b. destroys substrates c. speeds up substrates

Answer 36

a. works with specific substrate

Question 37

What percentage of the blood is water? a. 70 b. 80 c. 90

Answer 37

c. 90

Question 38

What do platelets do for the body? a. fight invaders b. clot blood c. carry ozygen

Answer 38

b. clot blood

Question 39

What are red blood cells also known as? a. micro organism b. hemoglobin c. pink cells

Answer 39

b. hemoglobin

Question 40

How may elements are necessary for life? a. 18 b. 26 c. 20

Answer 40

b. 26

Question 41

Which cells are our immunity cells? a. red blood cells b. white blood cells c. platelets

Answer 41

c. platelets

Question 42

``` What happens to the pressure in the lungs during expiration? a. remain the same b. decrease c. increase ```

Answer 42

c. increase

Question 43

What happens to the pressure in the lungs during inspiration? a. remain the same b. decrease c. increase

Answer 43

b. decrease

Question 44

Be able to draw the pH scale and label the following: a. strongest acids b. neutral point c. strongest bases d. show the direction in which acids and bases increase

Answer 44

See Mrs. Krumpelman for help

Question 45

Be able to draw and label a picture of the gas exchange in the lungs and blood vessels in the body.

Answer 45

See Mrs. Krumpelman for help