Blood Analysis Lesson

13.3 The blood Disorders

Grade 7

What are blood disorders?

Medical conditions that disrupt (block) the normal functions of blood.

Haemophilia

• People with this disease lack a protein needed to clot blood.

• A person who has haemophilia bleeds at same rate as other people, but the bleeding does not stop as quickly.

Anemia

Low number of red blood cells or have red blood cells that do not contain enough hemoglobin.

Multiple Choice

Where the red blood cells are produced?

• Bone marrow

• Periosteum

• Lymph

Leukemia

Cancer of the bone marrow is called leukemia. This kind of cancer can slow or prevent blood cell formation. Leukemia can lead to anemia and a damaged immune system,

Leukemia can lead to anemia and a damaged immune system

Sickle means Crescent shaped

Sickle cell Anemia

Sickle shaped cells do not move through blood vessels as easily as normmal disk shaped cells. Sickle cells can prevent oxygen from reaching tissues and cause sickle cell anemia.

Sickle Cell Anemia

It is inherited disease means recieved from parents.

Multiple Choice

Erythrocytes have a _______________ shape to increase surface area for gas exchange.

• round

• sickle

• biconcave

• star

Multiple Choice

Sickled RBC

• A

• B

Multiple Choice

Normal RBC

• A

• B

Multiple Choice

This part of blood helps it clot, when you get cut.

• Red blood cells
• Plasma
• Platelets
• White blood cells

Multiple Choice

A condition in which the blood is deficient in red blood cells, in hemoglobin, or in total volume.

• Sickle Cell Anemia
• Anemia
• Hemophilia

Multiple Choice

A hereditary disease in which the blood clots slowly or abnormally. This causes prolonged bleeding with even minor cuts and bumps

• Anemia

• Hemophilia

• Embolism

• Atherosclerosis

Multiple Choice

High blood pressure

• Heart Failure

• Atherosclerosis

• Myocardial Infarction

• Hypertension

Multiple Choice

Where are red blood cells produced?

• Bone Marrow

• Heart

• Lungs

• Brain

Multiple Choice

What is leukemia

• The flu

• A cancer of blood tissue

• A bone

Multiple Choice

Hemophiliacs' blood lacks what component?

• plasma

• platelets

• red blood cells

• white blood cells

Multiple Choice

This genetic disorder is characterized by prolonged bleeding and internal bleeding due to the lack of a blood clotting protein.

• Hemophilia

• Huntington's Disease

• Albinism

• Cystic Fibrosis

Multiple Choice

Cancer of Bone Marrow is called

• Leukemia

• Sickle cell anemia

• Hemophilia