Portage Learning Anatomy & Physiology
2: Lab 4 Exam Questions and Answers |
Latest Version | 2025/2026 | Correct &
Verified
What valve prevents backflow of blood from the right ventricle to the right atrium?
✔✔ The tricuspid valve.
Where does blood go immediately after it leaves the left ventricle?
✔✔ Into the aorta.
What type of blood vessel has the thickest walls to handle high pressure?
✔✔ Arteries.
What structure separates the right and left sides of the heart?
✔✔ The interventricular septum.
Which valve opens to allow blood into the pulmonary artery?
✔✔ The pulmonary semilunar valve.
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,Which chamber of the heart pumps oxygenated blood to the entire body?
✔✔ The left ventricle.
What blood vessel brings deoxygenated blood into the right atrium from the lower body?
✔✔ The inferior vena cava.
What is the function of heart valves?
✔✔ To prevent the backflow of blood.
What part of the heart initiates the electrical signal that triggers contraction?
✔✔ The sinoatrial (SA) node.
Which artery directly supplies blood to the heart tissue?
✔✔ The coronary artery.
What are the two circuits in double circulation?
✔✔ Pulmonary and systemic circuits.
2
, What structure connects the papillary muscles to the heart valves?
✔✔ The chordae tendineae.
Where is the bicuspid valve located?
✔✔ Between the left atrium and left ventricle.
What is the function of the pulmonary circuit?
✔✔ To carry blood to and from the lungs for gas exchange.
Which side of the heart handles oxygen-rich blood?
✔✔ The left side.
What is the name of the layer that lines the inner surface of the heart?
✔✔ The endocardium.
What type of blood do pulmonary arteries carry?
✔✔ Oxygen-poor blood.
3
2: Lab 4 Exam Questions and Answers |
Latest Version | 2025/2026 | Correct &
Verified
What valve prevents backflow of blood from the right ventricle to the right atrium?
✔✔ The tricuspid valve.
Where does blood go immediately after it leaves the left ventricle?
✔✔ Into the aorta.
What type of blood vessel has the thickest walls to handle high pressure?
✔✔ Arteries.
What structure separates the right and left sides of the heart?
✔✔ The interventricular septum.
Which valve opens to allow blood into the pulmonary artery?
✔✔ The pulmonary semilunar valve.
1
,Which chamber of the heart pumps oxygenated blood to the entire body?
✔✔ The left ventricle.
What blood vessel brings deoxygenated blood into the right atrium from the lower body?
✔✔ The inferior vena cava.
What is the function of heart valves?
✔✔ To prevent the backflow of blood.
What part of the heart initiates the electrical signal that triggers contraction?
✔✔ The sinoatrial (SA) node.
Which artery directly supplies blood to the heart tissue?
✔✔ The coronary artery.
What are the two circuits in double circulation?
✔✔ Pulmonary and systemic circuits.
2
, What structure connects the papillary muscles to the heart valves?
✔✔ The chordae tendineae.
Where is the bicuspid valve located?
✔✔ Between the left atrium and left ventricle.
What is the function of the pulmonary circuit?
✔✔ To carry blood to and from the lungs for gas exchange.
Which side of the heart handles oxygen-rich blood?
✔✔ The left side.
What is the name of the layer that lines the inner surface of the heart?
✔✔ The endocardium.
What type of blood do pulmonary arteries carry?
✔✔ Oxygen-poor blood.
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