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Ninth Grade (Grade 9) Circulatory and Immune Systems Questions

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Grade 9 Circulatory and Immune Systems
What does the circulatory system consist of?
  1. blood vessels, lungs, blood
  2. brain, lungs, heart
  3. heart, blood vessels, blood
  4. heart, lungs, blood
Grade 9 Circulatory and Immune Systems
Which of the following functions to carry oxygen in the blood?
  1. hemoglobin
  2. leukocytes
  3. albumin
  4. platelets
Grade 9 Circulatory and Immune Systems
What does the cardiovascular system transport?
  1. Blood
  2. the liquid component of blood that carries blood cells and dissolved materials.
  3. nutrients, gases, hormones, and cellular waste products throughout the body
  4. germs that cause diseases
Grade 9 Circulatory and Immune Systems
What is a capillary?
  1. an upper chamber of the heart
  2. a germ that causes disease
  3. a tiny blood vessel that connects arteries and veins
  4. a blood vessel that returns blood to the heart
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
What is the heart?
  1. a four chambered muscle that pumps blood
  2. one of the lower two chambers of the heart
  3. a tiny blood vessel
  4. one of two large veins that returns blood rich in carbon dioxide to the right atrium
Grade 9 Circulatory and Immune Systems
How does the human immune system distinguish between healthy body cells (self) and viruses or bacteria (non-self)?
  1. viruses and bacteria have antigens on their surface
  2. healthy body cells do not have antigens
  3. viruses and bacteria are much larger than healthy body cells
  4. unlike invaders, healthy body cell contain DNA
Grade 9 Circulatory and Immune Systems
The pulmonary artery is a major blood vessel that carries blood to the lungs for gas exchange. In what way is this artery considered different from other arteries?
  1. It carries blood towards the heart, while most arteries carry it away from the heart
  2. It carries blood away from the heart, while most arteries carry it towards the heart
  3. It carries deoxygenated blood, while most arteries carry oxygenated blood
  4. It carries oxygenated blood, while most arteries carry deoxygenated blood
Grade 9 Circulatory and Immune Systems
What is a lymph node?
  1. an organ on the left side of the abdomen that filters foreign matter
  2. a white blood cell
  3. a red blood cell
  4. a structure that filters and destroys pathogens
Grade 9 Circulatory and Immune Systems
If Joe Schmoe has blood type AB+, what types of blood can he accept if he needs a transfusion?
  1. Anything, as long as it's from a human... :)
  2. AB+ Only
  3. AB- Only
  4. A+ and B+ Only
Grade 9 Circulatory and Immune Systems
When a pathogen is causing infection, antibodies                                 .
  1. seek out and attack the pathogen
  2. will release B cells
  3. will release T cells
  4. will attack the immune system
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Which of the following is the correct order of chambers that describes the path that blood takes through the heart?
  1. Right ventricle, Right atrium, Left ventricle, Left atrium
  2. Right atrium, Right ventricle, Left atrium, Left ventricle
  3. Left ventricle, Left atrium, Right ventricle, Right atrium
  4. Left atrium, Left ventricle, Right atrium, Right ventricle
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
How does the HIV virus cripple the immune system?
  1. destroys T–cells
  2. destroys H–cells
  3. increases T–cells
  4. increases B–cells
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