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Flashcards in Chapter 4 Deck (38)
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1

How many quarts of blood are there in an individual?

5. Men 5-6 and women 4-5

2

What is whole blood composed of?

60% plasma and 40% formed elements

3

What are the formed elements classified as? (3)

1. Red blood cells
2. White blood cells
3. Platelets

4

What's another name for red blood cells?

Erythrocytes

5

What's another name for white blood cells?

Leukocytes

6

What's another name for platelets?

Thrombocytes

7

What does plasma do?

1. Transports blood cells
2. Transports dissolved gases
3. Transports other chemical substances

8

What is plasma composed of? 2

1. 90% water
2. 10% dissolved solutes such as glucose, fats, antibodies, hormones, respiratory gas

9

What is the procedure for producing a plasma specimen? 4

1. Perform blood draw with a plasma producing tube
2. Centrifuge tube for 15 minutes
3. Pipette or pour plasma into a separate specimen container
4. Label and send specimen to the lab

10

What is serum?

Plasma with the fibrin removed which is the substance that forms clots in the blood

11

How much testing is done using serum?

60%

12

What are the functions of blood? (4)

1. Provides nutrients
2. Oxygen
3. Chemical substances
4. Waste removal for cells

13

What is normal pH scale?

7.4

14

What do you have to do to obtain serum?

Blood sample must be allowed to coagulate at least 30 minutes

15

What is the reason for letting the blood coagulate?

Allows the fibrin clot to form

16

What are red blood cells?

Made up of hemoglobin contained in a membrane. Function within the veins and capillary vessels

17

Where are blood cells produced and stored?

In bone marrow and spleen

18

What is the production of red blood cells known as?

Hemopoiesis

19

What is it called when a new erythrocyte is produced?

Reticulocyte

20

What are white blood cells known as?

Body's internal defense system

21

What is neutrophils?

First responders to the beginning stages of
Inflammation

22

What is eosinophils? 3

1. Responsible for attacking multicellular parasites
2. Suppresses asthma and allergies
3. Detoxifies the body

23

What is basophils? 2

1. Carry histamine. Causes the symptoms of an allergic reaction
2. Releases heparin

24

What are monocytes?

Destroys cells by phagocytosis-eat bacteria. Increased numbers mean bacterial infection

25

What are lymphocytes?

1. Attack the pathogen
2. B cells begin to release immunoglobulins that produce antibodies.

26

What is hemostasis?

Body's ability to clot and close a wound

27

What is Vasoconstriction?

Vessel that was damaged narrows in order to slow the blood flow

28

What is Platelet plug formation?

Platelets adhere to each other

29

What is fibrin clot formation?

Scan

30

What is fibrinolysis?

When the clot is no longer needed. Plasmin breaks up the fibrin clot and removed by special cells.