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2.1 Supplying the cell

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Question 27

During systemic circulation, oxygen and nutrients are delivered to metabolising cells by tissue fluid. A water molecule in the plasma of an arteriole leaves the capillary at the arterial end to form tissue fluid, but is not reabsorbed at the venous end.

Which of the following represents the correct sequence of structures or fluids this water molecule passes through as it bathes the tissue cells and is returned to the main blood circulation?

A

Blood plasma (arteriole)→Lymph (lymphatic vessel)→Tissue fluid→Blood plasma (subclavian vein)\text{Blood plasma (arteriole)} \rightarrow \text{Lymph (lymphatic vessel)} \rightarrow \text{Tissue fluid} \rightarrow \text{Blood plasma (subclavian vein)}Blood plasma (arteriole)→Lymph (lymphatic vessel)→Tissue fluid→Blood plasma (subclavian vein)

B

Blood plasma (arteriole)→Tissue fluid→Blood plasma (venule)→Lymph (lymphatic vessel)\text{Blood plasma (arteriole)} \rightarrow \text{Tissue fluid} \rightarrow \text{Blood plasma (venule)} \rightarrow \text{Lymph (lymphatic vessel)}Blood plasma (arteriole)→Tissue fluid→Blood plasma (venule)→Lymph (lymphatic vessel)

C

Blood plasma (arteriole)→Tissue fluid→Lymph (lymphatic vessel)→Blood plasma (subclavian vein)\text{Blood plasma (arteriole)} \rightarrow \text{Tissue fluid} \rightarrow \text{Lymph (lymphatic vessel)} \rightarrow \text{Blood plasma (subclavian vein)}Blood plasma (arteriole)→Tissue fluid→Lymph (lymphatic vessel)→Blood plasma (subclavian vein)

D

Blood plasma (arteriole)→Blood plasma (venule)→Tissue fluid→Lymph (lymphatic vessel)\text{Blood plasma (arteriole)} \rightarrow \text{Blood plasma (venule)} \rightarrow \text{Tissue fluid} \rightarrow \text{Lymph (lymphatic vessel)}Blood plasma (arteriole)→Blood plasma (venule)→Tissue fluid→Lymph (lymphatic vessel)

Markscheme

2.1 Supplying the cell Questions

  1. GCSE
  2. /Biology
  3. /2.1 Supplying the cell

82 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.

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