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Twelfth Grade (Grade 12) Circulatory and Immune Systems Questions

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Grade 12 Circulatory and Immune Systems
Grade 12 Circulatory and Immune Systems
Where do the veins and arteries come together?
  1. capillaries
  2. the heart
  3. ventricles
  4. the aorta
Grade 12 Circulatory and Immune Systems
Grade 12 Circulatory and Immune Systems
Which condition causes blood to be more acidic?
  1. Protease Deficiency
  2. Lipase Deficiency
  3. Amylase Deficiency
Grade 12 Circulatory and Immune Systems
Grade 12 Circulatory and Immune Systems
What is hypertension also known as?
  1. the secret
  2. melanoma
  3. the silent killer
  4. the home wrecker
Grade 12 Circulatory and Immune Systems
Grade 12 Circulatory and Immune Systems
Grade 12 Circulatory and Immune Systems
Which of the following is also referred to as the pacemaker of the heart?
  1. Atrioventricular node
  2. Sinoatrial node
  3. Purkinje fibers
Grade 12 Circulatory and Immune Systems
These blood vessels return blood to the heart.
  1. arteries
  2. capillaries
  3. venoules
  4. veins
Grade 12 Circulatory and Immune Systems
What is the size of the heart?
  1. 15cm x 9 cm
  2. 14cm x 9 cm
  3. 13cm x 9cm
  4. 12 cm x 9 cm
Grade 12 Circulatory and Immune Systems
Which covering of the heart is like a bag that encloses the heart?
  1. pericardium
  2. pericardial
  3. peritoneum
  4. perietal
Grade 12 Circulatory and Immune Systems
Grade 12 Circulatory and Immune Systems
Grade 12 Circulatory and Immune Systems
What is not a function of the cardiovascular system?
  1. Regulate body temperature
  2. Transportations of hormones
  3. Take in oxygen
  4. Removal of metabolic wastes
Grade 12 Circulatory and Immune Systems
Grade 12 Circulatory and Immune Systems
What is the first step in the path of blood flow?
  1. Blood moves into the left ventricle
  2. Blood returns from the lungs and enters the left atrium
  3. Blood goes out the pulmonary arteries and heads to the lungs
  4. Blood moves into the right ventricle
  5. Deoxygenated blood enters right atrium through the vena cava
Grade 12 Circulatory and Immune Systems
What is the lub-dub sound a characteristic of in the heart?
  1. The relaxation of the heart muscle
  2. The opening and closing of the heart valves
  3. The shaking of the heart
  4. none of these above
Grade 12 Circulatory and Immune Systems
Grade 12 Circulatory and Immune Systems
Which valve controls the flow of blood into the aorta?
  1. Aorta
  2. Pulmonary valve
  3. Pulmonary veins
  4. Aortic Valve
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