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Anatomy And Physiology > Blood > Flashcards

Blood Flashcards

1
Q

What does RAS stand for?

A

Reticular activating system

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2
Q
A
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2
Q

What is the job of a white blood cell?

A

Protection from infection

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3
Q

What is the special protein called that is contained in a red blood cell?

A

Haemoglobin

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4
Q

How many pints of blood does the average sized man contain?

A

12

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5
Q

Do platelets help coagulation?

A

Yes

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6
Q

Where is red bone marrow found in adults?

A

In the flat and irregular bones

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7
Q

What are the four main components of blood?

A

Plasma, red blood cells, white blood cells and platelets

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8
Q

What is whole blood composed of?

A

Approx. 55% plasma and 45% blood cells

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9
Q

How much of your total body weight is blood?

A

Approx. 7-8%

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10
Q

How much blood does the average sized woman contain?

A

Approx. 9 pints

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11
Q

What is plasma?

A

The liquid component of blood consisting of water, sugar, fat, protein and salts

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12
Q

What is the shape of a red blood cell?

A

Biconcave disk with flattened centre

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13
Q

What is erythropoietin?

A

Hormone produced primarily in kidneys which controls production of RBCs

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14
Q

How long do RBCs take to mature?

A

Approx. 7 days

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15
Q

What are leukocytes?

A

White blood cells protecting the body from infection

16
Q

What is a neutrophil?

A

A form of white blood cell that is an immediate response cell

17
Q

What is the role of the T lymphocytes?

A

Regulate function of other immune cells and directly attack various infected cells and tumors

18
Q

What is the role of the B lymphocytes?

A

Make antibodies that target bacteria, viruses and other foreign materials

19
Q

What are thrombocytes?

A

Platelets, which are small fragments of cells that help with coagulation

20
Q

What do prostaglandins do?

A

They’re involved in blood clotting

21
Q

Which vessels carry deoxygenayed blood?

A

Veins

22
Q

What are the smallest blood vessels and connect arteries and veins?

A

Capillaries

23
Q

Hiw many litres of blood does the average adult pump per minute?

A

5

24
Q

One of the functions of blood is to control temperature?

A

True

Anatomy And Physiology (12 decks)

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