Blood Cells

Question 1

What are red blood cells?

Answer 1

Red blood cells, are also called erythrocytes, and are shaped like biconcave disks. They are made by red marrow of bones. They contain the pigment hemoglobin which gives blood its red colour and has the ability to carry oxygen. Mature red blood cells have no nuclei.

Question 2

What are white blood cells?

Answer 2

White blood cells (leukocytes) are larger and less numerous than red blood cells. They are produced in red bone marrow, in the spleen, and in lymph nodes. White cells fight disease and infection in the body. They are able to leave the blood stream.

Question 3

What are platelets?

Answer 3

Platelets are irregularly shaped, colourless bodies which are smaller than red blood cells. They are formed in the red bone marrow, and they aid the formation of blood clots.

Question 4

The blood cells are suspended in (a. Oxygen b. plasma c. Bone d. platelets)

Answer 4

They are suspended in the plasma.

Question 5

Erythrocytes are (a. Red blood cells b. white blood cells c. Bacteria d. platelets)

Answer 5

Red blood cells are erythrocytes.

Question 6

Leukocytes are (a. Viruses b. Red blood cells c. White blood cells d. Platelets)

Answer 6

White blood cells are also called leukocytes.

Question 7

White blood cells are produced in (a. Red bone marrow b. Brain c. Spleen d. Lymph nodes)

Answer 7

White blood cells are produced in red bone marrow, in the spleen, and in lymph nodes.

Question 8

Red blood cells are produced in the (a. Heart b. Red bone marrow c. Spleen d. Lymph nodes)

Answer 8

Red blood cells are produced in the red bone marrow.

Question 9

Platelets are produced in the (a. Spleen b. Lymph nodes c. Heart d. Red bone marrow)

Answer 9

Platelets are produced in the red bone marrow.

Question 10

Hemoglobin is contained in the (a. Platelets b. White cells c. Red cells d. Allergens)

Answer 10

Hemoglobin is contained in the red blood cells.

Question 11

The largest blood cells are the (a. Red cells b. White cells c. Viruses d. Platelets)

Answer 11

The largest blood cells are the white blood cells.

Question 12

The smallest of the blood cells are the (a. Platelets b. Nerve cells c. White cells d. Red cells)

Answer 12

The smallest blood cells are the platelets.

Question 13

There is no nucleus in (a. An immature red cell b. A white cell c. A mature red cell d. Any blood cell)

Answer 13

There is no nucleus in mature red blood cells.

Question 14

Platelets are important in forming (a. Red blood cells b. Blood clots c. White cells d. Sounds of speech)

Answer 14

Platelets are important in forming blood clots.