lecture 16 - intro. to blood and immune Flashcards Preview

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Flashcards in lecture 16 - intro. to blood and immune Deck (23):
1

litres of blood in an adult

5L (around 80kg)

2

litres of blood in an infant

300mL

3

blood components, which escape capillaries, form the _______ ____?

interstitual fluid

4

interstitial fluid enters into?

lymphatic vessels (now called LYMPH)

5

Lymph returns to blood via?

lymphatic ducts

6

3 blood functions?

Transport, regulation, protection

7

blood components?

55% plasma
45% formed elements

8

plasma consists of?

- mostly water (91.5%)
- proteins (7%)
- other solutes (ions, nutrients, waste etc.) [1.5%]

9

3 proteins in the plasma include...?

- albumins (54%)
- immunoglobulins (38%)
- fibrinogen (clotting = fibrin) [7%]

10

blood is an __________ fluid and a _________ tissue

extracellular, connective

11

white blood cells consist of...?

- mostly neutrophils 70%
- then lymphocytes 20%
- monocytes 3-8%
- Eosinophils 2-4%
- Basophils 0.5-1.0%

12

how many litres of blood daily?

14,000L

13

blood will clot without?

anticoagulant. blood is otherwise a very sticky and viscous fluid

14

permeability of lymphatic vessels?

more permeable than blood capillaries

15

immune system security analogy

- prior knowledge
- surveillance
- response
- memory

16

serum = ?

blood plasma without fibrinogen

17

formed elements consist of?

- erythrocytes (99.9%)
- white (blood cells less than 0.1%)
- platelets (less than 0.1%)

18

what percentage of body mass is blood?

8%

19

blood transports?

O2, CO2, waste, nutrients, hormones, HEAT

20

blood regulates?

heat, salinity, pH

21

blood protects by?

immune - surveillance circuit, clotting- "leakage protection"

22

volume of blood in one heartbeat

70mL

23

examples of "other solutes"

Electrolytes, Nutrients, Gases, Regulatory Substances, Waste Products and Ions