Heart Anatomy and Physiology

What physical feature of large systemic arteries (resistance vessels) makes them relatively more responsive to changes in intracellular calcium concentrations?

• Thick tunica media

• Absent tunica media

• Thick tunica intima

• Absent tunica intima

#1

• Aorta

• Inferior vena cava

• Superior vena cava

• Right pulmonary artery

• Left pulmonary vein

#2

• Aorta

• Inferior vena cava

• Superior vena cava

• Right pulmonary artery

• Left pulmonary vein

#3

• Left pulmonary artery

• Right pulmonary vein

• Superior vena cava

• Right pulmonary artery

• Left pulmonary vein

#4

• Left pulmonary artery

• Right pulmonary vein

• Superior vena cava

• Right pulmonary artery

• Left pulmonary vein

5

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

• Left pulmonary vein

#6

• Tricuspid valve

• Bicuspid vavle

• Pulmonary semilunar valve

• Aortic semilunar valve

• Left pulmonary vein

7

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

• Left pulmonary vein

#8

• Aorta

• Inferior vena cava

• Superior vena cava

• Right pulmonary artery

• Left pulmonary vein

#9

• Aorta

• Inferior vena cava

• Superior vena cava

• Pulmonary artery

• Left pulmonary vein