Blood

State one difference between plasma and tissue fluid.

May/June 2017

State one way in which plasma and tissue fluid are different.

May/June 2017

Which statement concerning white blood cells is correct?

May/June 2019

Which row gives the roles of the blood components?

May/June 2021

Which row gives the functions of the blood components?

May/June 2021

Which blood component triggers fibre formation to help seal a wound?

May/June 2022

Which blood component engulfs pathogens?

May/June 2023

A person’s cuts and grazes fail to heal, and their blood does not clot readily. What might be causing these symptoms?

May/June 2024

Fig. 3.1 shows a photomicrograph of part of a woman’s capillary network. The feature labelled X is a red blood cell.

May/June 2024

Blood consists of several different components. The pie chart shows the percentage volume of each blood component. What percentage of the blood volume is for the component whose role is to transport oxygen?

May/June 2025

The photomicrograph displays a blood sample observed with a light microscope. Which row indicates the functions of the labelled parts of the blood?

May/June 2025

Name the components present in human blood and explain how each one performs its function.

Oct/Nov 2015

If a mother smokes while pregnant, the oxygen supply reaching the fetus is lowered. Which row shows how components of tobacco smoke bring about this effect?

Oct/Nov 2017

During blood clotting, the \(\ldots\ldots 1 \ldots\ldots\) cause \(\ldots\ldots 2 \ldots\ldots\) to change into \(\ldots\ldots 3 \ldots\ldots\), and this then makes a clot. Which words finish the statement about blood clotting?

Oct/Nov 2020

Sickle cell anaemia is a genetic condition that leads to abnormal red blood cells. Which health problem will this change in the red blood cells cause?

Oct/Nov 2021

Describe the make-up of human blood.

Oct/Nov 2022

Human blood is made up of several different components, each with its own role.

Oct/Nov 2023

The diagram depicts a blood cell viewed through a light microscope. Which type of blood cell is shown?

Oct/Nov 2024

Human blood is made up of plasma, red blood cells, white blood cells and platelets. Which row states the function of each of these components?

Oct/Nov 2024

Carbon monoxide is a poisonous gas that binds with haemoglobin to make carboxyhaemoglobin. Which blood function would be affected if a person breathed in carbon monoxide?

Oct/Nov 2024

Within the umbilical cord, the blood travelling from the fetus to the placenta along the umbilical artery has

Oct/Nov 2024

What occurs during blood clotting?

Oct/Nov 2025

Each $\text{mm}^3$ of blood contains about 5 million red blood cells. The average diameter of a red blood cell is $0.007\,\text{mm}$. Which row shows this information correctly in standard form?

Oct/Nov 2025