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3a Human Body: CV system: Blood Flashcards | StudBud

Explore/3a Human Body: CV system: Blood

3a Human Body: CV system: Blood

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The structure and function of blood cells, and the process of blood clotting.

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Questions 10

Answers

1
What is the function of Erythrocytes (red blood cells)
carry carbon dioxide
Use oxygen
carry oxygen
fight infection
2
What do platelets release when activated?
Fibrinogen
Thromboplastin
Prothrombinase
Prothrombin
3
What does thromboplastin trigger?
A game of dominoes
A Clotting Cascade
A Clotting waterfall
Fibrinogen conversion to Fibrin
4
When a finger is cut, how does the damaged blood vessel respond
Smooth Muscle Tissue contracts causing vasoconstriction.
Skeletal Muscle Tissue contracts causing vasoconstriction.
Smooth Muscle Tissue relaxes causing vasodilation.
Skeletal Muscle Tissue relaxes causing vasodilation.
5
What is the name given to cells that carry out haemostasis (blood clotting)
Thrombin
Thrombus
Platelets
Plates
6
How does the blood clot form to prevent further blood loss?
Platelets stick together to form a platelet plug
Fibrin threads form a mesh which traps blood cells
7
Once the enzyme active thrombin is formed, it converts..
Stem cells into Specialised cells
Glucose to Glycogen
cholesterol into sphingolipids
soluble Fibrinogen into insoluble Fibrin
8
The clotting cascade results in the production of Prothrombinase which converts
Prothrombin to Thrombin
Thrombin to Prothrombin
Fibrinogen to Fibrin
Thrombin to Fibrin
9
What is the function of white blood cells?
fight infection
carry oxygen
produce thromboplastin
clot the blood
10
Which structural feature of RBCs enable it to carry a large quantity of oxygen?
A lack of nucleus and other organelles
Its biconcave structure giving it a large SA: volume ratio.
It contains a protein called haemoglobin
It contains no mitochondria