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Revision - Unit 8 and 9

Total questions: 23

Worksheet time: 23mins

Name
Class
Date
1.

The diagram shows the structure of the human gas exchange system. Name organ P.

a)

alveolus

b)

trachea

c)

bronchus

d)

diaphragm

2.

Just before a person starts to exhale, the composition of the air in an alveolus differs from the composition of the air in the trachea. How would the composition differ? (tick all that apply)

a)

less oxygen

b)

more oxygen

c)

more carbon dioxide

d)

more water vapour

e)

less water vapour

3.
a)
A
b)
B
c)
C
d)
D
4.
Swelling of the bronchi. It causes coughing, fever, and chest tightness.
a)
Allergies
b)
Bronchitis
c)
Asthma
d)
Pneumonia
5.
Disease in which the alveoli are damaged or destroyed. Strongly linked to smoking.
a)
Allergies
b)
Emphysema
c)
Asthma
d)
Pneumonia
6.
Where are your vocal cords located?
a)
Nose
b)
Lungs
c)
Larynx
d)
Alveoli
7.
An agent that causes disease, or a germ is called a 
a)
Parasite
b)
Bacteria
c)
Pathogen
d)
Fungii
8.

What does COPD stand for?

(a)  

9.
The AV node is located at...
a)
A
b)
B
c)
C
d)
D
10.
For a blood pressure reading, the number on top measures...
a)
Diastolic Pressure
b)
Systolic Pressure
c)
Diastemic Pressure
d)
Systemic Pressure
11.
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
12.

What is happening at point A?

a)

The bicuspid valve opens for blood to flow from left atrium to left ventricle

b)

The bicuspid valve opens for blood to flow from left ventricle to aorta

c)

The bicuspid valve closes to prevent backflow of blood from left atrium to left ventricle

d)

The bicuspid valve closes to prevent backflow of blood from left ventricle to left atrium

13.

What is happening at point B?

a)

Bicuspid valve is forced open

b)

Bicuspid valve remains closed

c)

Semi-lunar valve is forced open

d)

Semi-lunar valve remains closed

14.

When does ventricular systole occur?

a)

From points A to B

b)

From points A to C

c)

From points B to C

d)

From points B to D

15.

One cardiac cycle is made up of

a)

one atrial systole + one ventricular diastole

b)

one atrial systole + one ventricular systole

c)

one ventricular systole + one ventricular diastole

d)

one ventricular systole + one atrial diastole

16.

State the phase of cardiac cycle shown in the diagram.

a)

Atrial systole, ventricular systole

b)

Atrial diastole, ventricular systole

c)

Atrial systole, ventricular diastole

d)

Atrial diastole, ventricular diastole

17.

did you enjoy this type of quiz?

a)

Yes

b)

No

18.
Blood is pumped through the pulmonary circulation by the _____________.
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
19.
Place the pathway of blood through the heart in the correct sequence.
a)
L-K-H-B-G-E-C-F-A-I-E-D
b)
I-J-D-C-F-A-H-B-G-E-K-L
c)
A-B-J-C-D-E-F-K-L-G-H-I
d)
I-J-E-D-C-F-A-B-G-H-K-L
20.

Most of the carbon dioxide produced by the body tissue is transported to the lungs in the form of …

a)

Carbonic acid

b)

Blood plasma

c)

Hydrocarbonate ions

d)

Carbaminohaemoglobin

21.

Oxyhaemoglobin gives up O2 when …

a)

CO2 partial pressures are high

b)

Body temperature is lowered

c)

pH values are high

d)

O2 partial pressure are high

22.

The Bohr Shift occurs in regions of …

a)

Increased partial pressure of oxygen.

b)

Decreased partial pressure of oxygen.

c)

Increased partial pressure of carbon dioxide.

d)

Decreased partial pressure of carbon dioxide.

23.

Which enzyme catalyses the reaction of carbon dioxide and water to form carbonic acid?

(a)  

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