Arteries carry blood:

• towards the heart

• away from the heart

• in the heart

What is the difference between the pulmonary vein and all the other veins of an adult?

• It carries oxygen-poor blood, while the other veins carry oxygen-rich blood

• It carries oxygen-rich blood, while the other veins carry oxygen-poor blood

• It carries blood to the heart, while the other veins carry blood away from the hear

• It carries blood away from the heart, while the other veins carry blood to the heart

Which of the following blood vessels contains blood with the highest concentration of dissolved oxygen?

• aorta

• femoral artery

• subclavian artery

• superior vena cava

How does the concentration of oxygen in the blood compare in the right ventricle and the left ventricle?

• right ventricle has a low concentration of oxygen, left ventricle has a low concentration of oxygen

• right ventricle has a low concentration of oxygen, left ventricle has a high concentration of oxygen

• right ventricle has a high concentration of oxygen, left ventricle has a low concentration of oxygen

• right ventricle has a high concentration of oxygen, left ventricle has a high concentration of oxygen

Which of the following arteries has the highest concentration of carbon dioxide?

• aorta

• carotid artery

• pulmonary vein

• mesenteric artery

What part of the body decreases the activity of the SA and AV nodes?

• excretory system

• respiratory system

• sympathetic nervous system

• parasympathetic nervous system

Skeletal muscle contractions account for the flow of blood in:

• veins and arteries

• arteries and capillaries

• veins

• arteries

Which of the following materials would be found in relatively high concentrations at the venous end of a capillary bed as compared to the arteriole end of a capillary bed?

• glucose

• oxygen

• amino acids

• carbon dioxide

The iliac vein:

• carries blood away from the pelvic organs and lower abdomen

• delivers blood from the aorta to the right subclavian artery

• delivers nutrient rich blood from the intestines to the liver

• delivers blood the the pelvis organs and lower abdomen

The superior vena cava:

• carries blood from the heart

• delivers blood to the cardiac muscles

• receives blood from the upper extremities and head

• delivers blood from the aorta to the right subclavian artery