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Cardiac Cycle > Blood Composition > Flashcards

Blood Composition Flashcards

1
Q

What does plasma contain?

A

Dissolved molecules such as glucose, hormones, proteins, urea

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2
Q

What are Leukocytes?

A

White blood cells

E.g. neutrophils lymphocytes

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3
Q

What is the name for red blood cells?

A

Erythrocytes

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4
Q

What is the most common blood cell?

A

Erythrocytes

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5
Q

What is the structure of an erythrocyte?

A

Contains haemoglobin
Flexible
Bi-concave shape
No nucleus

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6
Q

Why do erythrocyte have no nucleus?

A

To allow for more haemoglobin- absorb more oxygen

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7
Q

What colour is plamsa liquid component?

A

Pale yellow

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8
Q

What percentage is plans air the body’s total blood volume?

A

55%

95% water 5% dissooved molecules

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9
Q

How is blood plasma prepared?

A
  1. Blood spun in centrifuge with anticoagulant
  2. Blood cells fall to bottom
  3. Plamsa on top drawn off
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10
Q

What is the role of leukocytes?

A

Immune system

Protect the body against infection and disease.

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11
Q

Where are Leukocytes and Erythrocytes made?

A

Bone marrow

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12
Q

A high level of leukocytes indicates what?

A

Indicated disease/illness

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13
Q

What percentage of blood are leukocytes?

A

1%

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14
Q

What are Thrombocytes?

A

Platelets

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15
Q

What is the role of thrombocytes?

A

Help with blood clotting

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16
Q

What is a thrombocyte made from?

A

Fragments of cytoplasm with no nucleus. Derived from cells in the none marrow.

17
Q

Where are thrombocytes found?

A

Only in animals

Cardiac Cycle (6 decks)

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