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HAP Unit #10 -- Circulatory System

Total questions: 51

Worksheet time: 4hrs 58mins

Name
Class
Date
1.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

2.

Veins carry oxygen poor blood back to the heart.

a)

False

b)

True

3.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
4.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
5.
The main function of the circulatory system is 
a)
To give the body structure and support
b)
Excrete waste
c)
transport blood, nutrients, and gases throughout the body
d)
to transport messages from the body to the brain
6.

All of the following are functions of blood except:

a)

Transportation of oxygen and carbon dioxide.

b)

Regulation of body temperature.

c)

Synthesis of vitamins.

d)

Defense against infection.

7.

What protects the body against blood loss?

a)

Clots formed by clusters of leukocytes.

b)

Clots formed by platelets and blood proteins.

c)

Masses of erythrocytes and erythrocyte fragments.

d)

Constriction of capillaries in the damaged area.

8.

The two primary components of whole blood are:

a)

Serum and cells.

b)

Plasma and cells.

c)

Cells and dissolved proteins.

d)

Blood cells and cell fragments.

9.

What are the blood cells?

a)

Erythrocytes, leukocytes, and platelets.

b)

The buffy coat and plasma proteins.

c)

Blood cells, cell fragments, and plasma.

d)

All compounds synthesized by the blood.

10.

The most abundant compound in blood plasma, accounting

for about 92% of the total volume, is:

a)

Oxygen

b)

Gamma-globulin

c)

Sodium chloride

d)

Water

11.

The ____________ carries blood throughout the body;

the ____________ carries blood only to and from the

lungs.

a)

systemic circuit; pulmonary circuit

b)

pulmonary circuit; systemic circuit

c)

venous circulation; arterial circulation

d)

arterial circulation; venous circulation

12.

Valves in veins serve to:

a)

Release excessive pressure to protect these thin-walled vessels.

b)

Counteract the crushing force of surrounding skeletal muscles.

c)

Prevent backflow of blood in the absence of high blood pressure.

d)

Adjust blood pressure by compartmentalizing the venae cavae.

13.

Which vessels have thin walls and small diameters that facilitate rapid diffusion of gases and nutrients between blood and body tissues?

a)

Capillaries.

b)

Arterioles.

c)

Venules.

d)

All of the above.

14.

Compared with those of the systemic circulation, arteries of the pulmonary circulation:

a)

Have lower blood pressure.

b)

Have less elastic tissue.

c)

Carry blood that contains less oxygen.

d)

All of them.

15.
What is pulmonary circulation?
a)
Blood travelling to and from the lungs
b)
Blood travelling to and from the body
c)
A blood clot in the lungs
d)
The vessel that brings blood to the lungs
16.
Blood circulation from the heart to the rest of the body is called
a)
Full body
b)
Systemic
c)
pulmonary
d)
heart to lung
17.

These cells play a vital role in defending the body against infection

a)

Leucocytes

b)

Erythrocytes

c)

Blastocytes

d)

Plasmacytes

18.

_______ function in the life-saving process of clotting blood.

a)

Phagocytes

b)

Leucocytes

c)

Erythrocytes

d)

Platelets

19.

What is the smallest type of cell in the blood called?

a)

leucocytes

b)

erythrocytes

c)

lymphocytes

d)

monocytes

20.

What makes up around 55% of the blood?

a)

Plasma

b)

Red Blood Cells

c)

White Blood Cells

d)

Platelets

21.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

22.

What causes the blood to be the distinct red colour?

a)

Haemoglobin

b)

Glucose

c)

Hormones

d)

Oxygen

23.

Which of the following is NOT a type of blood vessel?

a)

Artery

b)

Capillary

c)

Vein

d)

Ventricle

24.

What is the function (job) of the plasma?

a)

To release antibodies to fight infections.

b)

To transport oxygen around the body.

c)

To carry dissolved nutrients and sugars.

d)

To transport oxygen around the body.

25.

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

a)

To transport oxygen around the body and to the muscles.

b)

To release antibodies to fight infections.

c)

To carry dissolved nutrients and sugars.

d)

To clot and form scabs if there is a wound on the body.

26.

What type of blood do the arteries usually carry?

a)

Oxygenated Blood

b)

Deoxygenated Blood

27.

Which blood vessel has valves to prevent the back-flow of blood?

a)

Veins

b)

Arteries

c)

Capillaries

28.

Which cell engulfs and digests bacteria/pathogens?

a)

lymphocytes

b)

phagocytes

c)

platelets

29.

Which cell releases antibodies to the blood?

a)

phagocytes

b)

lymphocytes

c)

platelets

30.
Human blood is _______
a)
Alkaline
b)
Neutral
c)
Acidic
d)
Sweet tasting
31.
A persistent clot in an unbroken blood vessel is known as _______
a)
a thrombus
b)
an embolus
c)
hemophilia
d)
leukopenia
32.
The three step process that stops blood flowing from a cut is called _________
a)
hemostasis
b)
homeostasis
c)
coagulation
d)
agglutination
33.
Where does hematopoiesis take place, producing new RBCs?
a)
red bone marrow
b)
yellow bone marrow
c)
synovial membrane
d)
articular cartilage
34.
Which of these is a blood clotting disorder?
a)
thrombocytopenia
b)
anemia
c)
leukocytosis
d)
polycythemia
35.
Antibodies binding to antigens on RBCs causes a clumping known as __________
a)
agglutination
b)
coagulation
c)
clotting cascade
d)
hemolysis
36.
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
37.
The three steps of hemostasis are:
1. vascular spasm
2. ___________
3. coagulation
a)
platelet plug formation
b)
agglutination
c)
dilation
d)
erythropoieten formation
38.
What blood type is the "universal donor" because it can be donated to anyone?
a)
A
b)
B
c)
AB
d)
O
39.
Someone with type A blood can receive blood from someone who is type AB.
a)
True
b)
False
40.
If two parents are heterozygous for type A blood, what is the probability that their offspring would have type O blood?
a)
100 %
b)
75%
c)
50%
d)
25%
41.
Jim has type AB blood. His dad could be type O.
a)
True
b)
False
42.
If two parents have type AB blood, what is the probability that their child will have type O blood?
a)
0%
b)
25%
c)
50%
d)
100%
43.
What antigens are present in a person with type AB blood?
a)
B 
b)
A and B
c)
A 
d)
none 
44.
If one parent is heterozygous for type A blood and the other parent is homozygous for type B blood, what is the probability they could have a child with type B blood?
a)
0%
b)
25%
c)
50%
d)
100%
45.
What is the genotype of a person who is heterozygous for type B blood?
a)
IBIB
b)
IBi
c)
IAIB
d)
IAi
46.

How many chromosomes are in human gametes (sperm/egg cells)?

a)

23

b)

46 (23 pairs)

c)

12

d)

92

47.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
48.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
49.
Usain Bolt's genes affect his height. Being 1.95m tall is an example of
a)
genotype
b)
phenotype
50.
Homozygous or heterozygous?
BB
a)
Homozygous
b)
Heterozygous
51.
Which of the following is heterozygous
a)
Ww
b)
ii
c)
DD
d)
kk

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