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Unit 2 Review

Total questions: 105

Worksheet time: 53mins

Name
Class
Date
1.
These blood cells are the protectors and help fight off disease.
a)
Red blood cells
b)
White blood cells
c)
Plasma
d)
Platelets 
2.
Blood has how many parts?
a)
1
b)
2
c)
3
d)
4
3.
This part of blood helps it clot, when you get cut.
a)
Red blood cells
b)
Plasma
c)
Platelets
d)
White blood cells
4.
These blood cells deliver oxygen to the parts of the body.
a)
Red
b)
White
c)
Patelets
d)
Plasma
5.
_______ is made mostly of water and makes up about 55% of the blood
a)
Plasma
b)
Platelets 
c)
Red blood cells
d)
White blood cells
6.
What part of blood is responsible for carrying oxygen and carbon dioxide to or from body cells?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
7.
What does blood consist of?
a)
plasma, red blood cells, white blood cells, platelets
b)
hormones, oxygen, nutrients, water
c)
red blood cells
d)
carbon dioxide and minerals
8.

Red blood cells have a nucleus.

a)

True

b)

False

9.

Where are red blood cells produced?

a)

Bone Marrow

b)

Heart

c)

Lungs

d)

Brain

10.

What is the most common blood type in the U.S.?

a)

A

b)

B

c)

AB

d)

O

11.

What is the rarest blood type in the U.S.?

a)

A

b)

B

c)

AB

d)

O

12.
What blood type can receive blood from both Type B and Type AB donors?
a)
Type AB
b)
Type B
c)
Type A
d)
Type O
13.

What is the function (job) of the white blood cells?

a)

To transport oxygen around the body.

b)

To carry dissolved sugars.

c)

To clot and cover wounds like cuts and grazes.

d)

To release antibodies to help destroy infections.

14.

Which blood vessels take blood TO the heart?

a)

Veins

b)

Arteries

c)

Capillaries

15.

Which blood vessels take blood AWAY from the heart?

a)

Veins

b)

Arteries

c)

Capillaries

16.

What type of blood do the arteries usually carry?

a)

Oxygenated Blood

b)

Deoxygenated Blood

17.

What type of blood do the veins usually carry?

a)

Oxygenated Blood

b)

Deoxygenated Blood

18.

When an infection occurs, the number of

a)

red blood cells increases

b)

white blood cells increases

c)

red blood cells decreases

d)

white blood cells decreases

19.

Which blood cells are most numerous in the body?

a)

plasma

b)

white blood cells

c)

red blood cells

d)

platelets

20.

Which of the following blood cells contain hemoglobin?

a)

red blood cells

b)

platelets

c)

white blood cells

d)

all of the above

21.

What is systole?

a)

the blood pressure created when the heart relaxes

b)

the blood pressure created when the heart contracts

c)

a blood disease spread by blood sucking mosquitoes

d)

pathway that pumps oxygen poor blood between the heart and lungs

22.

What is diastole?

a)

the blood pressure created when the heart relaxes

b)

the blood pressure created when the heart contracts

c)

a blood disease spread by blood sucking mosquitoes

d)

pathway that pumps oxygen poor blood between the heart and lungs

23.
Another name for white blood cells is
a)
erythrocytes
b)
plasmocytes
c)
leukocytes
d)
thrombocytes
24.

Phagocytes and lymphocytes are both types of

a)

white blood cells

b)

red blood cells

c)

pathogens

d)

lysozymes

25.

Phagocytes and lymphocytes are part of our

a)

immune system

b)

reproductive system

c)

nervous system

d)

digestive system

26.

What destroys pathogens?

a)

antibodies

b)

red blood cells

c)

platelets

d)

plasma

27.

What are pathogens?

a)

disease-causing bacteria, viruses, and other microorganisms

b)

large platelets

c)

antibodies

d)

tiny fibers

28.

What can happen if you receive the wrong blood type?

a)

It changes your blood type.

b)

You might need new white blood cells.

c)

your cells will clump together and you could die.

d)

You will get too much oxygen.

29.

Chemicals in red blood cells that determine blood type.

a)

antigens

b)

antibodies

c)

infections

d)

inflammation

30.

What are the 4 major blood types?

a)

Blood type A

b)

Blood type B

c)

Blood type C

d)

Blood type AB

e)

Blood type O

31.

Name the proteins on the surface of red blood cells.

a)

Antibodies

b)

Antigens

c)

Plasma

d)

Collagen

32.

What type of antigens can be found on the surface of RBC's when someone has blood type O?

a)

A

b)

B

c)

AB

d)

none

33.

What type of antigens can be found on the surface of RBC's when someone has blood type AB?

a)

A

b)

B

c)

AB

d)

none

34.

What cells produce antibodies?

a)

Macrophage

b)

B cells

c)

Helper T cells

d)

Cytotoxic T Cells

35.

Someone with blood type B has B antigens on their RBC's and B antibodies in their plasma.

a)

true

b)

false

36.

What antibodies can be found in the plasma when someone has blood type A?

a)

none

b)

A

c)

B

d)

A and B

37.

Why is AB blood type unique?

a)

can only have RH antigens

b)

doesn't have any A nor B antigens on the RBC's

c)

doesn't produce A nor B antigens

d)

doesn't produce A nor B antibodies

38.
Universal blood donors have type ______ blood.
a)
A
b)
AB
c)
B
d)
O
39.

Universal blood recipients have type ______ blood.

a)

A

b)

AB

c)

B

d)

O

40.
Antibiotics work against most
a)
Bacteria
b)
Bacteria & Viruses
c)
Vaccines
d)
Viruses
41.
Vaccinations are used for
a)
Curing the illness
b)
Preventing the Illness
c)
Getting the illness
42.
What is the main purpose of the immune system?
a)
support the body through bones and muscles
b)
get rid of waste from the body
c)
protect the body from pathogens
d)
move blood through the body
43.
What type of microbe is used in a vaccine?
a)
it doesn't really matter
b)
a damaged one
c)
a weakened or inactivated one
d)
a normal one
44.
What do antibodies attach to on the pathogen?
a)
Anti inflammatory
b)
Antigens
c)
Antiseptic
d)
Antibodies
45.
Pathogens are recognized by their...
a)
antigens
b)
antibodies
c)
killer t-cells
d)
B-cells
46.

True/False: Your body cannot make antibodies for pathogens that you have never been in contact with.

a)

True, because your body needs to encounter the pathogen at least once in order to create the antibodies.

b)

False, because you can make antibodies via immunizations given by a doctor.

47.

What is the function of antibodies within the immune system?

a)

Antibodies kill off any antigen that enters the body.

b)

Antibodies are only made when you are given a vaccination for specific antigens.

c)

Antibodies bind to specific antigens to flag for destruction.

d)

Antibodies are part of an external defense mechanism.

48.

All of the following are examples of white blood cells EXCEPT

a)

Killer T cells

b)

Supporter T cells

c)

Macrophage

d)

Vaccine

e)

B Cell

49.

What happens after the second time you are exposed to a pathogen?

a)

The body will not be able to fight off the pathogen quickly, because it knows how to get into the body easier.

b)

The body's immune system will react the same was as it did during the first exposure.

c)

The body can only be exposed to a pathogen a second time if you do not have a vaccine.

d)

The body will know how to fight off the pathogen quickly, because memory cells have been created after the first encounter.

50.

How do T cells differ from B cells?

a)

T cells fight pathogens by killing pathogens directly, while B cells fight pathogens by making antibodies.

b)

T cells only make memory cells, and B cells only make antigens

c)

T cells fight pathogens by making antibodies, while B cells fight pathogens by killing pathogens directly.

d)

T cells can only fight off pathogens the body has encountered once, and B cells can fight off any pathogen the body comes across.

51.

These cells activate killer T cells and other B cells as well as activate B cells

a)

Helper T Cells

b)

Cytotoxic T Cells

c)

Macrophages

d)

Suppressor Cells

52.
A white blood cell that makes antibodies
a)
T cell
b)
bacteria
c)
B cell
d)
mast cell
53.
These cells remain in the blood stream after an immune response.
a)
Memory B and T Cells
b)
Killer T Cells and B Cells
c)
Helper T  and B Cells
d)
Suppressor Cells and Macrophages
54.
Proteins produced by B cells and designed to mark antigens to be destroyed, specific to the antigen.
a)
Antigens
b)
Active Immunity
c)
Antibodies
d)
Antibiotics
55.
The part of foreign materials that cause a response from the immune system are called _____________________.
a)
Antigens
b)
Active Immunity
c)
Antibodies
d)
Antibiotics
56.
What is the role of antibodies?
a)
Kills pathogens
b)
Helps activate other immune cells
c)
Produces antibodies
d)
Binds to antigens and neutralizes pathogen
57.
The body detects pathogens by their...
a)
Antigens
b)
Antibodies
c)
Histamines
d)
DNA
58.
When a macrophage engulfs a pathogen and displays the antigens, what happens next?
a)
Helper T cells pick up information about the specific pathogen
b)
B cells produce antibodies
c)
Killer T cells destroy more pathogens
d)
Nothing
59.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
60.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
61.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
62.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
63.
Complete the sentence.
A substance that is more basic has a _____ pH than a substance that is acidic.
a)
lower
b)
higher
c)
the same
d)
none of the above
64.

A pH of 3 is how many times more acidic than a pH of 5?

a)

2

b)

20

c)

10

d)

100

65.

Water has a neutral because

a)

it has more H+ ions than OH-

b)

it has more OH- ions than H+

c)

it does not produce any ions

d)

it has an equal amount of H+ and OH- in solution

66.

According to the pH range which substance is more acidic than lemon juice

a)

hydrochloric acid

b)

cabbage

c)

milk

d)

lye

67.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2
68.
A solution has a pH of 7.0.  What would happen to the pH if H ions were added?
a)
pH would go up
b)
pH would go down
c)
pH would stay the same
d)
None of these
69.
A solution has a pH of 7.0.  What would happen to the pH if OH ions were added?
a)
pH would go up
b)
pH would go down
c)
pH would stay the same
d)
None of these
70.

Homeostasis

a)

allows for a wildly fluctuating internal environment

b)

is impossible in vertebrates

c)

is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation

71.

Endothermic creatures maintain fairly consistent body temperatures. Ectothermic creatures do not. What are the best synonyms for "endothermic" and "ectothermic?"

a)

warm-blooded and cold-blooded

b)

land-dwelling and water-dwelling

c)

vertebrate and invertebrate

72.
What is mean by homeostasis?
a)
Controls and coordinates body activities through chemical 
b)
controls and coordinates body activities through electrical impulses
c)
For maintenance of a steady state in the internal environment
d)
remove metabolic waste products from the cel
73.

Positive Feedback loops are...

a)

Counteract changes that move above or below set values.

b)

more common

c)

regulate body temp

d)

Purposeful pushes above normal set values.

74.

Negative Feedback loops are...

a)

Purposeful pushes above normal set values.

b)

Counteract a change to bring it back to normal set values

c)

Are rare

d)

Help with childbirth

75.

A basic ( alkaline ) solution has a

a)

higher concentration of hydrogen ions than hydroxide ions

b)

equal concentration of hydroxide ions and hydrogen ions

c)

higher concentration of hydroxide ions than hydrogen ions

76.

An acidic solution has a

a)

higher concentration of hydrogen ions than hydroxide ions

b)

higher concentration of hydroxide ions than hydrogen ions

c)

equal concentration of hydrogen ions and hydroxide ions

77.

Which cell relays messages from one tissue to another?

a)

Red Blood Cell-RBC

b)

White Blood Cell-WBC

c)

Neuron

d)

Tissue

78.

The brain has 3 major sections that send and receive signals to control all the activities that keep a person functioning efficiently. Which major section controls breathing and heart beat?

a)

cerebellum

b)

cerebrum

c)

brain stem

d)

cortex

79.

What is the biggest part of the brain?

a)

Brain stem

b)

Think tank

c)

Cerebrum

d)

Cerebellum

80.

Which part of the brain helps keep your balance so you don't fall flat on your face?

a)

Cerebellum

b)

Medulla oblongata

c)

Pituitary gland

d)

Spinal cord

81.

Type of neuron that sends nerve impulses to muscles and gland, by the command of other neurons.

a)

Motor Neurons

b)

Interneurons

c)

Sensory Neurons

82.

Type of neuron that perceive information about your environment.

a)

Motor Neuron

b)

Interneuron

c)

Sensory Neuron

83.
What is the control center for controlling temperature in the body?
a)
Pituitary gland
b)
Hypothalamus
c)
Thyroid
d)
Pancreas
84.

Gas exchange is needed to supply _____________ to cells and remove __________________

a)

carbon dioxide; oxygen

b)

oxygen; food

c)

oxygen; carbon dioxide

d)

carbon dioxide; water

85.

The air sacs that are covered with capillaries where gas exchange takes place.

a)

Bronchi

b)

Trachea

c)

Oxygen

d)

Alveoli

86.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

to bring oxygen to the body

c)

to break down food and absorb nutrients

d)

to remove oxygen from the body and deliver carbon dioxide

87.
Which system works closely with the respiratory system?
a)
skeletal system
b)
circulatory system
c)
excretory system
d)
digestive system
88.

Gaseous exchange happens...

a)

in the bronchi

b)

in the lungs

c)

in the alveoli

d)

in the heart

89.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
90.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
91.
An ISOTONIC solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.
a)
lower
b)
equal
c)
higher
92.

What is OSMOSIS?

a)
b)
c)
d)
93.

A cell SHRINKS in a ____ solution.

a)

ISOTONIC

b)

HYPERTONIC

c)

HYPOTONIC

d)

NO SOLUTION

94.

Which picture shows an organism in a HYPERTONIC solution?

a)
b)
c)
d)
95.

What color is oxygenated blood?

a)

bright red

b)

bright blue

c)

dark, dark red

d)

orange

96.

What color is blood that is oxygen poor? (little or no oxygen)

a)

purple

b)

red

c)

dark, dark red ( almost maroon)

d)

pink

97.
Which side of the heart pumps blood into the lungs?
a)
Right
b)
Left
98.
Which side of the heart pumps oxygen-rich blood to the rest of the body?
a)
Right
b)
Left
99.

what is the part as labeled num 5

a)

Right Ventricle

b)

Left Ventricle

c)

Left Atrium

d)

Right Atrium

100.

what is the part as labeled num 14

a)

Left ventricle

b)

Right ventricle

c)

Right Atrium

d)

Left Atrium

101.
Which are the tubes that carry urine from the kidney to the bladder?
a)
Adrenal tubes
b)
Kidneys
c)
Ureters
d)
Urethras
102.
Before the kidney filter it out, where does urea exist?
a)
In your intestines
b)
In your liver
c)
In your stomach
d)
In your bloodstream
103.
What word describes the function of the nephrons?
a)
Tube
b)
Passageway
c)
Filter
d)
Reservoir
104.
In homeostasis, the kidney regulates the:
a)
levels of electrolytes 
b)
amount of water in the body
c)
pH
d)
all of the above
105.
Which stage of urine production involves returning water, nutrients, and electrolytes to the bloodstream?
a)
filtration
b)
excretion
c)
secretion
d)
reabsorption 

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