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by BlastRoom
Trace blood through the heart, lungs and body, and explain what changes flow.
#biology
40 questions
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Blood in the right atrium passes through a valve. Which structure does it enter next?
Blood returning from the head and the arms reaches the heart through which vessel?
Blood leaves the heart and travels out to a body tissue and back. In what order does it pass through the three types of blood vessel?
Blood is pumped out of the left ventricle. Which vessel does it enter first?
Blood is on its way back toward the heart. Which type of vessel carries it immediately before it arrives?
Blood has just left the lungs. Which chamber of the heart does it flow into?
Blood in an artery is moving away from the heart. Which type of vessel does it reach next?
Which sequence traces blood correctly from the body, through the right side of the heart, to the lungs?
Oxygen and nutrients pass out of the blood into a body tissue. In which type of vessel does this happen?
A nurse injects a drug into a vein in a patient's arm. Which part of the circulatory system does the drug reach first?
Which structure keeps blood in the left ventricle from being pushed back into the left atrium when the ventricle contracts?
The muscular wall of the left ventricle is much thicker than the wall of the right ventricle. What does that extra muscle accomplish?
What does the septum of the heart do?
Which structure sets the rate at which the heart contracts?
The coronary arteries carry blood to the muscle of the heart wall itself.
The ventricles pump blood out of the heart. What is the main job of the atria?
A patient's aortic semilunar valve no longer closes completely. What happens each time the left ventricle relaxes?
Which of these is a chamber of the heart rather than a vessel attached to it?
Which type of vessel has a wall only one cell thick, so substances pass straight through it between blood and tissue?
A vessel has a thick, muscular, elastic wall and carries blood under the highest pressure in the body. Which vessel type is described?
Which type of vessel contains one-way valves along its length?
Blood pressure is measured inside an artery, a capillary and a vein. In which is it highest?
In which vessel type does blood move most slowly, giving time for exchange with the surrounding tissue?
A nurse draws a blood sample from a vessel that lies just under the skin of the arm, has a thin wall and holds blood at low pressure. Which type of vessel did the needle enter?
Which type of vessel carries blood away from the heart?
Fatty plaque builds up along the inner wall of a coronary artery and narrows its opening. If the heart keeps beating at the same rate, what happens to the heart muscle that vessel supplies?
A clot completely blocks the artery that supplies a body tissue. What happens in the capillaries of that tissue?
During exercise, the small arteries supplying a leg muscle widen. What happens to blood flow through that muscle?
A patient loses a large volume of blood in an accident. What happens to blood pressure?
The one-way valves inside a leg vein stop working. What is the most likely result?
A runner's sinoatrial node fires faster, raising heart rate from 70 to 120 beats per minute while the volume pumped per beat stays the same. What happens to the volume of blood pumped each minute?
Widening a blood vessel increases the resistance to blood flow through it.
Blood pressure is measured in an artery, a capillary and a vein. In which is it lowest?
A patient's bicuspid (mitral) valve leaks, so some blood is pushed back into the left atrium every time the left ventricle contracts. What is the effect on the blood leaving through the aorta?
A nurse tightens a band around a patient's upper arm just enough to squeeze the veins shut while the arteries stay open. What happens to the veins below the band?
In which vessel does blood carry the highest concentration of oxygen?
In the systemic circuit, blood gives up oxygen to the cells of the body. In which part of the circuit does that handover happen?
The pulmonary artery carries oxygen-poor blood, even though it is an artery.
Blood in the pulmonary circuit has just come back from the lungs. Which type of vessel carries it into the heart?
Which statement correctly compares the two circuits of the cardiovascular system?
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The Digestive System
40 questions
