Plasma, red cells, white cells and platelets
7th grade (Year 8 in England) · 16 questions · Common Core: NGSS.MS-LS1-3 · England: GCSE Combined Science: Organisation
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Date
Score/ 16
Question 1
A blood test shows a very high number of white blood cells. What might this suggest?
- A. the blood cannot clot
- B. the person ate too much sugar
- C. the person lacks oxygen
- D. the body is fighting an infection
Question 2
Which part of the blood is described here: help blood to clot at a cut?
- A. red blood cells
- B. white blood cells
- C. platelets
- D. plasma
Question 3
Blood: which statement is true?
- A. Platelets carry oxygen.
- B. White blood cells are the most common blood cells.
- C. Platelets help form a clot that seals a wound.
- D. Blood is a single kind of cell.
Question 4
A person's blood clots very slowly after a small cut. Which part of the blood might be low?
- A. platelets
- B. red blood cells
- C. plasma
- D. haemoglobin (hemoglobin)
Question 5
Which part of the blood is described here: help blood to clot at a cut?
- A. red blood cells
- B. white blood cells
- C. platelets
- D. plasma
Question 6
Blood: which statement is true?
- A. White blood cells are the most common blood cells.
- B. Blood is a single kind of cell.
- C. Platelets carry oxygen.
- D. Red blood cells have no nucleus.
Question 7
Climbers living high in the mountains often have more red blood cells. Why is this useful?
- A. There is less oxygen in each breath, so more cells help carry enough
- B. Mountains contain more iron
- C. They need more antibodies
- D. It helps blood clot in the cold
Question 8
Which part of the blood is described here: help blood to clot at a cut?
- A. red blood cells
- B. white blood cells
- C. platelets
- D. plasma
Question 9
Blood: which statement is true?
- A. White blood cells help fight infection.
- B. Platelets carry oxygen.
- C. Blood is a single kind of cell.
- D. White blood cells are the most common blood cells.
Question 10
After a big meal, which part of the blood carries most of the absorbed glucose?
- A. white blood cells
- B. plasma
- C. platelets
- D. red blood cells
Question 11
Which part of the blood is described here: small fragments of cells?
- A. red blood cells
- B. white blood cells
- C. platelets
- D. plasma
Question 12
Blood: which statement is true?
- A. Platelets carry oxygen.
- B. Red blood cells have no nucleus.
- C. White blood cells are the most common blood cells.
- D. Blood is a single kind of cell.
Question 13
Climbers living high in the mountains often have more red blood cells. Why is this useful?
- A. They need more antibodies
- B. Mountains contain more iron
- C. There is less oxygen in each breath, so more cells help carry enough
- D. It helps blood clot in the cold
Question 14
Which part of the blood is described here: small fragments of cells?
- A. red blood cells
- B. white blood cells
- C. platelets
- D. plasma
Question 15
Blood: which statement is true?
- A. Blood is a single kind of cell.
- B. White blood cells help fight infection.
- C. Platelets carry oxygen.
- D. White blood cells are the most common blood cells.
Question 16
A blood test shows a very high number of white blood cells. What might this suggest?
- A. the person lacks oxygen
- B. the body is fighting an infection
- C. the person ate too much sugar
- D. the blood cannot clot
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