Block 4 ALS Revision Questions

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Last updated 10:40 AM on 4/29/26
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15 Terms

1
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What are the main innate immunity cells?

  • Neutrophils

  • Monocytes

  • Natural killer cells

  • Mast cells

  • Basophils

  • Eosinophils

2
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What cells give rise to platelets, erythrocytes and monocytes?

Haematopoietic stem cells

3
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Where is the primary site of haematopoiesis in a foetus?

Liver

4
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What are the main growth factors that regulate haematopoiesis?

  • Interleukins 1-3

  • Stem cell factor

  • Erythropoietin

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What are the four components of an erythrocyte membrane?

  • Spectrin

  • Ankyrin

  • Band 4.1 protein

  • Band 3 protein

6
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What is the function of spectrin in the erythrocyte membrane?

Forms scaffold that maintains integrity and shape of membrane

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What is the function of ankyrin in the erythrocyte membrane?

Anchors ion channels to spectrin skeleton

8
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What is the function of band 4.1 protein in the erythrocyte membrane?

Regulates membrane stability by stabilising spectrin-actin cytoskeleton

9
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What is the function of band 3 protein in the erythrocyte membrane?

Exchanges chloride and bicarbonate ions across the membrane

10
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<p>What type of blood cells are these?</p>

What type of blood cells are these?

Erythrocytes

Biconcave with no nucleus

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15
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