Biology 30
Module 2
Assignment 7
Copyright: Ministry of Education, Saskatchewan
May be reproduced for educational purposes
Biology 30
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Assignment 7
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Assignment 7
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Assignment 7
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Assignment 7
Assignment 7
Values
(40)
A.
Multiple Choice: Select the best answer for each of the following and
place a check () beside it.
1.
Another term for “hardening of the arteries” is ***.
____
____
____
____
2.
arteries
veins
capillaries
lymph vessels
a.
b.
c.
d.
an open circulatory system
a closed circulatory system
the development of a lymphatic system
a four-chambered, “double” heart
Most reptilian hearts are ***.
____
____
____
____
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a.
b.
c.
d.
The development which made it possible for oxygenated and
deoxygenated blood to remain separated from each other was ***.
____
____
____
____
4.
hypertension
atherosclerosis
myocardial infarction
cholesterol
Most of the nutrient and waste movements between the blood and
body cells take place through the walls of ***.
____
____
____
____
3.
a.
b.
c.
d.
a.
b.
c.
d.
two-chambered
three chambered
three-chambered with a partial septum
four-chambered
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5.
The transport system involved in the movements of nutrients and
wastes in the phylum group of Cnidaria (Coelenterata) is ***.
____
____
____
____
6.
7.
____
a.
____
b.
____
c.
____
d.
the pressure needed to push the blood decreases as
less blood will flow through the artery
the volume of blood that can move through the artery
in a given amount of time increases
the pressure in the artery will increase in order to
transport the same volume of blood to the heart
the blood will become thinner so that it passes
through the artery easier
One area where new red blood cells are produced is the ***.
a.
b.
c.
d.
spleen
liver
lymph node
bone marrow
Any conditions such as bleeding or mineral deficiencies which
result in lower amounts of red blood cells or haemoglobin, can
initially lead to ***.
____
____
____
____
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a network of tracheal tubes
simple diffusion
an open circulatory system
fibrovascular tubes
If an artery becomes partially blocked, the true statement is ***.
____
____
____
____
8.
a.
b.
c.
d.
a.
b.
c.
d.
muscle paralysis
anemia
agglutination
high blood pressure
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9.
A transport vessel that has the largest internal diameter is a(n) ***.
____
____
____
____
10.
12.
____
a.
____
b.
____
c.
____
d.
calcium
magnesium
copper
iron
an organism has moved to a higher altitude where
there is less oxygen and therefore a need for more
blood cells to carry it
those blood cells are lacking iron and therefore more
are needed
an infection is occurring, or has just occurred, in the
body
bleeding is occurring from some part of the body
A person with type AB blood could receive blood type(s) *** in a
transfusion.
a.
b.
c.
d.
AB only
O only
AB, A, B and O
A and B only
White blood cells generally try to destroy cells or particles which
***.
____
____
____
____
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a.
b.
c.
d.
An increase in the numbers of leukocytes in mammalian blood
likely indicates that ***.
____
____
____
____
13.
artery
vein
valve
capilliary
The mineral most important to the formation of haemoglobin in
mammals is ***.
____
____
____
____
11.
a.
b.
c.
d.
a.
b.
c.
d.
have proteins different from the body’s
are likely to cause harm to the body
have different shapes than any of the body’s cells
enter the lymphatic system
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Assignment 7
14.
First to receive oxygenated blood.
____
____
____
____
15.
a.
b.
c.
pulmonary artery
pulmonary vein
aorta
a.
b.
c.
d.
systemic circulation
hepatic circulation
pulmonary circulation
coronary circulation
The job done by an artificial pacemaker would normally be carried
out by the ***.
____
____
____
____
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left atrium
right atrium
left ventricle
right ventricle
The only arteries through which deoxygenated blood flows are
those in ***.
____
____
____
____
18.
a.
b.
c.
d.
Cutting or blocking this vessel will stop blood flow to most areas of
the body.
____
____
____
17.
left atrium
right atrium
left ventricle
right ventricle
Forces or “pushes” blood to the lungs.
____
____
____
____
16.
a.
b.
c.
d.
a.
b.
c.
d.
medulla of the brain
valves of the heart
entire heart
sino-atrial node
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Assignment 7
19.
20.
Biology 30
Compared to veins, arteries have thicker walls and smaller
diameters. This probably helps the arteries ***.
____
a.
____
b.
____
c.
____
d.
withstand the greater pressure from the blood as it is
forced along by the heart contractions
contain the blood which is initially more dense or
heavier due to the extra nutrients it is carrying to the
body parts
prevent too many of the nutrients from diffusing
through the walls right at the start and not leaving
enough for more distant body parts
to stay open and therefore offer less resistance to blood
movement
Temporary or permanent immunity is mainly due to ***.
____
a.
____
b.
____
c.
____
d.
abundant amounts of antibodies which remain in body
tissues once an infection has first occurred
the presence of special “memory” cells which can
quickly respond if certain foreign cells re-enter a body
large numbers of “killer” T-cells which are formed
during the first infection
a natural resistance of body cells themselves, after
they have been attacked once
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B.
(9)
Biology 30
Short Answer
1.
Distinguish between each of the following pairs of terms:
a.
antigen – antibody
b.
single loop circulatory system – double loop circulatory
system
c.
stroke – heart attack
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(10)
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2.
Briefly indicate what function is played by each of the following in
its particular transport system or organism:
a.
hemoglobin
b.
valve in a human vein or lymph vessel
c.
T-cells
d.
Septum (of a heart)
e.
sinus (of an open circulatory system)
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(8)
3.
Fill in the blank with the correct word.
a.
Red blood cells are called ____________________.
b.
White blood cells are called ____________________.
c.
Veins have ____________________ to prevent blood from
flowing backwards.
d.
The pace maker of the heart is called the
____________________.
e.
The ____________________ circuit is the circuit of the blood
from the heart to all parts of the body, except the lungs.
f.
The liquid part of the blood, minus the blood cells is called
____________________.
g.
The basic rhythm of the heart originates at
____________________.
h.
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High metabolic rates in a body requires ____________________.
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(10)
4.
a.
Describe the progression of the heart from two-chambered
to the three-chambered to the four-chambered heart. Give a
brief overview of how each functions. (Mention any
intermediary forms if they exist.) Give an example of an
organism for each heart type.
b.
Give two advantages of a four-chambered heart.
1)
b)
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(15)
5.
Draw a simplified drawing which represents the heart and
circulation pattern in a human body. (Remember your right is the
heart’s left.)
a.
Label your drawing with the following parts:
1.
2.
3.
4.
5.
6.
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pulmonary circuit
systemic circuit
coronary circuit
left atrium
left ventricle
right atrium
7.
8.
9.
10.
11.
right ventricle
lungs
tissues of the body
aorta
pulmonary artery
b.
Using arrows, clearly show the circulation patterns between
the heart and lungs and between the heart and body.
c.
Color the path of oxygenated blood red and the path of the
deoxygenated blood blue.
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Assignment 7
(4)
6.
a.
During non-strenuous activity, an average human heart rate
may be 70 beats a minute, while pumping through 5 L of
blood. In the strenuous actions these could change to 170
beats per minute and 20 L of blood passing through the
heart in that time.
Mention two body controls which may be responsible for
slowing or speeding up heart action.
b.
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Indicate two benefits a lymphatic system provides a body.
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Assignment 7
(4)
7.
a.
Including one example, briefly explain autoimmune disease.
b.
In at least two or three sentences, indicate how a human
immunodeficiency virus (HIV) can lead to AIDS and death.
_____
(100)
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