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- 1. Multiple Choice
What is the name of the molecule formed when oxygen binds to haemoglobin?
oxyhaemoglobin
oxygen-haemoglobin
carbaminohaemlobin
oxyglobin
- 2. Multiple Choice
Fetal haemoglobin shifts the oxygen saturation curve in what direction?
right and down
left and down
right and up
left and up
- 3. Multiple Choice
The ion found in the haem group is what
Mg2+
O2-
Fe2+
Fe3+
- 4. Multiple Choice
The main blood vessel responsible for taking oxygenated blood to the body is the
pulmonary artery
aorta
vena cava
pulmonary veins
- 5. Multiple Choice
Carbon dioxide and water combine to form
hydrogen carbonate ions
hydrogen ions
carbonic acid
hydrogen bicarbonate
- 6. Multiple Choice
Carbonic acid dissociates to form
H+ and H2CO3-
H+
hydrogen carbonate ions and hydrogen ions
carbonic acid anhydrase
- 7. Multiple Choice
The Bohr Effect/Shift moves the oxygen saturation curve in what direction
up and left
down and right
down and left
up and right
- 8. Multiple Choice
This is useful because it means that
more carbon dioxide can be dissociated
more oxygen is displaced from the haemoglobin
less oxygen is displaced from the haemoglobin
more carbon dioxide can be taken in by the cells
- 9. Multiple Choice
At the highest partial pressures of oxygen, the saturation of oxygen slows down because
the haemoglobin becomes saturated
the haemoglobin becomes denatured
the haemoglobin is too cold
the oxygen is displaced by carbon dioxide
- 10. Multiple Choice
The blue line on the graph indicates
the Bohr effect
regular haemoglobin
fetal haemoglobin
haemoglobin during exercise
- 11. Multiple Choice
this is useful because
fetus' use the Bohr Shift
fetus' use a lot of carbon dioxde
fetus' require more oxygen
partial pressure in the placenta is lower than normal
- 12. Multiple Choice
The blood vessel responsible for taking deoxygenated blood to the lungs for excretion is the
pulmonary artery
pulmonary vein
aorta
vena cava
- 13. Multiple Choice
The process by which oxygen enters the blood from the alveoli is
osmosis
diffusion
active transport
facilitated diffusion
- 14. Multiple Choice
What colour line represents the oxygen saturation curve during intense exercise?
blue
black
red
- 15. Multiple Choice
What are the main things responsible for causing the Bohr Shift?
increased H+ ions
increased carbon dioxide partial pressure
increased oxygen requirements
carbon monoxide's high affinity for haemoglobin
- 16. Multiple Choice
The chamber of the heart with the thickest layer of muscle is
right atrium
left atrium
left ventricle
left atrium
- 17. Multiple Choice
When carbon dioxide binds directly with haemoglobin it forms
carbaminohaemoglobin
carboxyhaemoglobin
carbon diooxyhaemoglobin
carboglobin
- 18. Multiple Choice
The enzyme responsible for catalysing the conversion of water and carbon dioxide into carbonic acid is
carbonyl hydroxylase
carbonic anhydrase
carbonic hydrolase
carbon dioxylase
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