CARDIOVASCULAR SYSTEM |MIDTERM REVISION, Exams of Medicine

CARDIOVASCULAR SYSTEM |MIDTERM REVISION CARDIOVASCULAR SYSTEM |MIDTERM REVISION

Typology: Exams

2025/2026

Available from 06/24/2026

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CARDIOVASCULAR SYSTEM |MIDTERM
REVISION
What are the 4 chambers of the heart? - ANSWER-right atrium, right ventricle, left
atrium, left ventricle
What blood vessel does the right ventricle pump blood through? - ANSWER-pulmonary
trunk to pulmonary arteries
Is blood in the right side of the heart oxygenated or deoxygenated? - ANSWER-
deoxygenated
What blood vessels bring oxygenated blood into the left atrium? - ANSWER-the
pulmonary veins
What is the largest artery in the body? - ANSWER-aorta
Arteries are blood vessels that carry blood ________________. - ANSWER-AWAY from
the heart
Veins are blood vessels that carry blood ____________________. - ANSWER-BACK
TO THE HEART.
What are the only deoxygenated arteries in the adult body? - ANSWER-the pulmonary
arteries.
what are the only oxygenated veins in the body? - ANSWER-pulmonary veins
Where does gas exchange occur to oxygenate blood? - ANSWER-pulmonary capillaries
What are other names for the left AV valve? - ANSWER-bicuspid valve or mitral valve
What is another name for the Right AV valve? - ANSWER-tricuspid valve
What is the purpose of valves in the heart and in the veins? - ANSWER-prevent
backflow of blood
What is the purpose of the semilunar valves? - ANSWER-prevent backflow of blood into
the ventricles
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CARDIOVASCULAR SYSTEM |MIDTERM

REVISION

What are the 4 chambers of the heart? - ANSWER-right atrium, right ventricle, left atrium, left ventricle What blood vessel does the right ventricle pump blood through? - ANSWER-pulmonary trunk to pulmonary arteries Is blood in the right side of the heart oxygenated or deoxygenated? - ANSWER- deoxygenated What blood vessels bring oxygenated blood into the left atrium? - ANSWER-the pulmonary veins What is the largest artery in the body? - ANSWER-aorta Arteries are blood vessels that carry blood ________________. - ANSWER-AWAY from the heart Veins are blood vessels that carry blood ____________________. - ANSWER-BACK TO THE HEART. What are the only deoxygenated arteries in the adult body? - ANSWER-the pulmonary arteries. what are the only oxygenated veins in the body? - ANSWER-pulmonary veins Where does gas exchange occur to oxygenate blood? - ANSWER-pulmonary capillaries What are other names for the left AV valve? - ANSWER-bicuspid valve or mitral valve What is another name for the Right AV valve? - ANSWER-tricuspid valve What is the purpose of valves in the heart and in the veins? - ANSWER-prevent backflow of blood What is the purpose of the semilunar valves? - ANSWER-prevent backflow of blood into the ventricles

What is the purpose of the AV valves? - ANSWER-prevent backflow into atria when ventricles contract (the picture shows how blood can flow backward into the atria if this valve is damaged) What is systolic blood pressure? - ANSWER-Pressure in arteries/left ventricle when ventricles are at maximally contracted. Top number What is diastolic blood pressure? - ANSWER-Pressure in left ventricle/arteries when ventricle is relaxed. Bottom number What is the purpose of the pulmonary circulation? - ANSWER-gas exchange - oxygen diffuses into the blood and carbon dioxide diffuses out. What is the purpose of the systemic circulation? - ANSWER-to deliver oxygen, hormones, and nutrients to cells; to carry away wastes and hormones made by the cell. What are the parts of the heart's conduction system? - ANSWER-1. Sinoatrial node

  1. Atrioventricular node
  2. Bundle of His
  3. Bundle Branches
  4. Purkinje Fibers What does the P wave of an ECG represent? - ANSWER-atrial depolarization What does the QRS complex of an ECG represent? - ANSWER-ventricular depolarization Which happens first - depolarization of the ventricles or contraction/systole of the ventricles? - ANSWER-depolarization always occurs before (and causes) contraction of a muscle what does the term systole mean? - ANSWER-contraction of the ventricles what does the term diastole mean? - ANSWER-relaxation of the ventricles vein structure with regard to - pressure, smooth muscle, valves, and direction. - ANSWER-Less smooth muscle, blood is at much lower pressure in veins, valves required to prevent backflow. Veins take blood back to the heart.