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Mid topic 1 review quiz - Y12

Total questions: 61

Worksheet time: 35mins

Name
Class
Date
1.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
2.
Why does ice float?
a)
As water freezes, it expands and its density decreases.
b)
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
c)
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
d)
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
3.
Which end of the water molecule has a slightly positive charge?
a)
the oxygen end
b)
the hydrogen end
c)
both ends are slightly positive
d)
neither end is positive
4.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
5.
Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?
a)
Water is an acid.
b)
Water is a versatile solvent.
c)
Water has a high heat capacity.
d)
 Water acts as a buffer.
6.
 Small insects can walk across the surface of calm water. Their feet push the surface of the water down slightly, somewhat like a person walking across a trampoline, but they do not break the surface. What is the best explanation for why this happens?
a)
The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together
b)
The insects actually use their wings to hover slightly above the water's surface and they only skim it with their feet
c)
The insects' feet are non-polar, so they are repelled by the polar water molecules and are pushed away from the water's surface
d)
The insects are small enough to see the individual water molecules, so they are able to step carefully from one molecule to the next
7.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
8.
When a molecule has an opposite electrical charge on each end, it is known as what?
a)
cohesion
b)
polar molecule
c)
hydrogen bond
d)
solution
9.
When water molecules stick easily to other water molecules, this is called what?
a)
cohesion
b)
adhesion
c)
solution
d)
polar molecule
10.

What property of water results in the accumulation of small amounts of water into larger amounts of water? The results in the rivers, lakes, streams, and even the oceans.

a)

Cohesive Behavior

b)

Expansion Upon Freezing

c)

Ability to Moderate Temperature

d)

Universal Solvent

11.

What makes up around 55% of the blood?

a)

Plasma

b)

Red Blood Cells

c)

White Blood Cells

d)

Platelets

12.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

13.

What causes the blood to be the distinct red colour?

a)

Haemoglobin

b)

Glucose

c)

Hormones

d)

Oxygen

14.

What is the function (job) of the platelets?

a)

To form clots (i.e. scabs) when you have cuts and grazes.

b)

To transport oxygen to the muscles

c)

To carry dissolved sugars.

d)

To produce antibodies

15.

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.

16.

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.

17.

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.

18.

How much blood does an adult have?

a)

5 liters

b)

10 liters

c)

8 liters

d)

20 liters

19.

Where are platelets made?

a)

plasma

b)

hemoglobin

c)

bone marrow

d)

Pottery Barn

20.

Why do platelets clump together?

a)

to produce oxygen

b)

to reduce oxygen

c)

to produce blood loss

d)

to reduce blood loss

21.

What is the function of veins?

a)

Transport deoxygenated blood

b)

Transport oxygenated blood

c)

Site for exchange of materials

22.

What is the function of capillaries?

a)

Transports deoxygenated blood

b)

Transport oxygenated blood

c)

Site for exchange of materials

23.

What are present in veins but absent in arteries?

a)

smooth elastic tissues

b)

muscular tissues

c)

valves

24.

How are capillaries adapted for their function?

a)

Have partially permeable walls

b)

One-cell thick endothelium

c)

Presence of valves

d)

Large lumen

25.
I have a large lumen, I have thin muscular walls, I pump blood towards the heart
a)
Artery
b)
Vein
c)
Capillary
d)
Arteriole
26.
I have muscular walls, and a small lumen.  Pump blood away from the heart
a)
Artery
b)
Vein
c)
Capillary
d)
Arteriole
27.
A system of the body which pumps blood too and from the lungs to become oxygenated. 
a)
Systemic
b)
Pulmonary 
28.
A system of the body which pumps blood from the left ventricle of the heart to the Aorta and the rest of the body. 
a)
Systemic
b)
Pulmonary
29.

Which of these blood vessels have small lumens? (Two answers)

a)

Artery

b)

Vein

c)

Capillary

30.
This chamber of the heart RECEIVES blood returning from the body
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
31.
Which is NOT a function of the circulatory system?
a)
deliver O2 and nutrients to cells
b)
remove CO2 and wastes from cells
c)
break down carbohydrates into glucose
d)
transport other materials through body
32.
Structure(s) that keep the blood flowing in one direction.
a)
Valve(s)
b)
Septum(s)
c)
Neuron(s)
d)
Bronchiole(s)
33.

True or false:

Blood traveling in veins is blue.

a)

True

b)

False

34.

True or false:

Arteries always carry oxygenated blood.

a)

True

b)

False

35.

An open circulatory system is one that has:

a)

no valves present

b)

no heart to pump the fluid

c)

no vessels at all

d)

no distinction between blood and tissue fluid

36.
The pacemaker of the heart is also known as the....
a)
AV node
b)
SA node
c)
Purkinje fibres
d)
Bundle of His
37.
What fibres allow the ventricles to contract?
a)
SA
b)
AV
c)
Purkinje
d)
Bundle of His
38.
During the systole phase of the cardiac cycle, the ventricles....
a)
Contract
b)
Relax
39.
The heart muscle that these electrical signals control is known as the myocardium
a)
True
b)
False
40.
Which letter/s of the ECG shows the ventricles contracting.....
a)
P
b)
QRS
c)
ST
41.
Which node delays the ventricles from firing before fully filled?
a)
AV
b)
SA
42.
What is the definition of the Cardiac Cycle?
a)
the contraction of the atria
b)
the sequence of events that occur during one complete heartbeat
c)
the contraction and relaxation of the ventricles
d)
the circulation of blood in the heart
43.
During ventricular ejection
a)
only the AV valves open
b)
the semilunar valves open and the AV valves close
c)
only the semilunar valves close
d)
the semilunar valves close and the AV valves open
44.
The semilunar valves are only open during which phase
a)
atrial contraction and ventricular filling
b)
isovolumetric contraction
c)
ventricular ejection
d)
isovolumetric relaxation
45.

Diastole refers to what action?

a)

Filling

b)

Pumping

46.
Why are the walls of the left ventricle thicker than that of the right ventricle?
a)
The left ventricle must force blood into all the capillaries of the lungs 
b)
the left ventricle doesn't skip leg day
c)
This is false, the walls of the right ventricle are thicker
d)
Blood from the left ventricle is pumped throught the entire body 
47.
An electrocardiogram measures what?
a)
The amount of pressure exerted on blood vessels.
b)
The electrical activity of the heart.
c)
How many times the heart contracts over time.
d)
The body's temperature caused by friction of blood in vessel.
48.
For a blood pressure reading, the number on top measures...
a)
Diastolic Pressure
b)
Systolic Pressure
c)
Diastemic Pressure
d)
Systemic Pressure
49.
The 'Lub' sound of the heart's LUB DUB? are the....
a)
Atrioventricular valves closing
b)
Semilunar Valves closing
c)
Blood flowing through the Pulmonary Trunk and Aorta
d)
Blood Flowing down into the venticles
50.
The 'Dub' sound of the heart's LUB DUB? are the....
a)
Atrioventricular valves closing
b)
Semilunar Valves closing
c)
Blood flowing through the Pulmonary Trunk and Aorta
d)
Blood Flowing down into the venticles
51.

What is Atherosclerosis?

a)

It's a disease that affects the arteries

b)

It's a disease that affects the capillaries

c)

A disease that affects your veins

52.

Where in an artery does an atheroma form?

a)

In the lumen

b)

Under the endothelium

c)

In the muscular layer

d)

In the outer connective layer

53.

Choose the substance that would NOT be found in an atheroma.

a)

Cholesterol

b)

Fibrous material

c)

Calcium

d)

Protein

54.

which answer correctly describes the effect of an atheroma on the artery?

a)

Causes narrowing of the lumen and high blood pressure

b)

Causes narrowing of the lumen and low blood pressure

c)

Causes widening of the lumen and high blood pressure

d)

Causes widening of the lumen and low blood pressure

55.

In the process of thrombosis, which substance starts the formation of a thrombus?

a)

Thromboplastin

b)

Prothrombin

c)

Thrombin

d)

Fibrin

56.

Name the substance that causes the conversion of prothrombin to thrombin.

a)

Fibrin

b)

Fibrinogen

c)

Enzymes

d)

Clotting factors

57.

Name the substance that causes the conversion of fibrinogen to fibrin.

a)

Clotting factors

b)

Prothrombin

c)

Thrombin

d)

Enzymes

58.

Which condition would be caused by an thrombus that blocks a vein in the leg?

a)

Storke

b)

Heart attack

c)

Pulmonary embolism

d)

DVT

59.

Low-density lipoproteins (LDL)

a)

are known as "good cholesterol."

b)

transport cholesterol to the liver for excretion.

c)

promote atheroma formation.

d)

are associated with low levels of saturated fat intake.

60.

The term cardiac arrest refers to

a)

a reduction in the circulating blood volume.

b)

a skipped ventricular contraction.

c)

inadequate cardiac output.

d)

the cessation of all cardiac activity.

61.

We have four chambers of the heart. Which term refers something that is between the two lower chambers of the heart?

a)

Atrioventricular

b)

Interatrial

c)

Intraventricular

d)

Interventricular

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