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Histology > Histology > Flashcards

Histology Flashcards

1
Q

What are the three components of blood?

A

White Blood Cells, Red Blood Cells and Plasma

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2
Q

What are platelets and where are they located?

A

Found suspended in plasma and are coagulators

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3
Q

Two types of Leukocytes?

A

Granulocytes and Agranulocytes

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4
Q

Name X3 Types of Granulocytes

A

Neutrophils, Basophils and Eosinophils

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5
Q

Name X2 Types of Agranulocytes

A

Lymphocytes and Monocytes

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6
Q

X3 Components of plasma

A

Platelets (Platelet-proteins), Nutrients and water

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7
Q

Rate in order of density three components of blood

A

Most dense-Red Blood Cells
Dense- White Blood cells
Least Dense- Plasma

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8
Q

What is the name for liquid leftover when blood has been separated using a centrifuge?

A

Serum

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9
Q

What are Erythrocytes ?

A

Red Blood Cells

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10
Q

What protein do Red Blood Cells Contain?

A

Haemeglobin group

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11
Q

What prosthetic group in haemoglobin allows for the binding of oxygen to red blood cells?

A

Haem

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12
Q

What Granulocyte has a multi-lobed nucleus?

A

Neutrophils

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13
Q

What Granulocytes have a bi-lobed nucleus?

A

Eosinophils and Basophils

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14
Q

What is the most common type of Granulocyte?

A

Neutrophil

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15
Q

What is the least common type of Granulocyte?

A

Basophil

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16
Q

What is found in Eosinophil Granules?

A

Hydrolytic Enzymes

17
Q

What Is found in Basophil Granules?

A

Inflammatory Mediators- Histamines

-Heparin activates Mediators

18
Q

What type of Granulocyte white blood cell forms phagocytes?

A

Neutrophils

19
Q

What type of nucleus do Lymphocytes have?

A

Large round nucleus surrounded by cytoplasm

20
Q

What type of nucleus do Monocytes have?

A

Non-Lobulated Nucleus

21
Q

What are Macrophages derived from?

A
  • Type of white blood cell

- Monocytes

22
Q

Function of macrophages?

A
  • Phagocytosis

- Presenting Antigens

23
Q

What is the difference between Granulocytes and Agranulocytes?

A

Granulocytes- Contain distinct granules

Agranulocytes- Contain granules that are NOT distinct/obvious

24
Q

What is the function of platelets?

A
  • Coagulants- clot blood
  • Coagulants are found in their granules
  • Prevent blood loss- Hemostatsis
25
Q

Term used to describe prevention of blood loss?

A

Hemostasis - ‘Stay-blood’

26
Q

What is the process ‘Hemopoiesis?’

A

-Production of blood cells - WHITE + RED

27
Q

Where does Hemopiesis take place?

A
  • Gestation- spleen and liver

- After birth- Bone marrow - e.g B Lymphocytes

Histology (6 decks)

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