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Course: Cambridge AS & A Level Biology 9700 ...
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Cambridge AS & A Level Biology 9700 — Revision Notes

1 · Cell Structure

0/26

2 · Biological Molecules

0/51

3 · Enzymes

0/29

4 · Cell Membranes and Transport

0/41

5 · The Mitotic Cell Cycle

0/21

6 · Nucleic Acids and Protein Synthesis

0/22

7 · Transport in Plants

0/28

8 · Transport in Mammals

0/39

9 · Gas Exchange

0/13

10-11 · Infectious Disease and Immunity

0/43

12 · Energy and Respiration

0/37

13 · Photosynthesis

0/23

14-15 · Homeostasis and Control

0/57

16 · Inherited Change

0/34

17-18 · Selection, Evolution, Classification and Conservation

0/69

19 · Genetic Technology

0/44
Quiz

8.1.7 Blood and Tissue Fluid – Exam questions

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  • Questions count: 7
  • Passing grade: B+
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1.
Tissue fluid is forced out at the arterial end by:
Oncotic pressure
Hydrostatic pressure
Osmosis
Active transport
2.
Excess tissue fluid returns via:
Lymph vessels
Arteries
Capillaries only
Kidneys
3.

Most tissue fluid returns to the blood at the venous end of the capillary because

the water potential of the blood is lower than that of the tissue fluid and hydrostatic pressure has fallen
hydrostatic pressure is higher there
it is pumped
lymph pushes it
4.
Gas exchange between blood and tissues occurs across the walls of
veins
capillaries
the aorta
arteries
5.

Tissue fluid is formed when

osmosis pulls water out
lymph leaks
red cells burst
high hydrostatic pressure at the arterial end of a capillary forces plasma out
6.
Which statement best describes Hydrostatic pressure?
Excess tissue fluid drained into lymph vessels.
Fluid forced out of capillaries that bathes cells.
Pressure exerted by fluid, pushing fluid out of capillaries.
Protein with four polypeptide chains, each with a haem group containing Fe2+ which binds O2.
7.
Which statement best describes Lymph?
Tendency of water to move into blood due to plasma proteins.
Graph of percentage saturation of haemoglobin against partial pressure of oxygen.
Binding of one O2 changes haemoglobin shape making further binding easier.
Excess tissue fluid drained into lymph vessels.
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Part of 8 · Transport in Mammals — see every lesson and quiz in this unit.
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