BIOD 152 Lab 4 Circulatory
System_Blood Flow Tracings Exam
Portage Learning Questions And Answers
(Verified Answers)
Question 1
Which chamber of the heart receives deoxygenated blood returning from systemic circulation?
A. Left atrium
B. Left ventricle
C. Right atrium
D. Right ventricle
CORRECT ANSWER: C. Right atrium
Rationale: The right atrium receives deoxygenated blood from the body through the superior
and inferior venae cavae.
Question 2
Which chamber pumps deoxygenated blood to the lungs?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
CORRECT ANSWER: B. Right ventricle
Rationale: The right ventricle pumps deoxygenated blood through the pulmonary trunk and
pulmonary arteries toward the lungs.
Question 3
, Which chamber receives oxygenated blood returning from the lungs?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
CORRECT ANSWER: C. Left atrium
Rationale: Oxygenated blood returns from the lungs through the pulmonary veins and enters
the left atrium.
Question 4
Which chamber pumps oxygenated blood into systemic circulation?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
CORRECT ANSWER: D. Left ventricle
Rationale: The left ventricle pumps oxygenated blood into the aorta for distribution throughout
the body.
Question 5
Which sequence correctly represents blood flow through the heart and lungs?
A. Right atrium → left ventricle → lungs → right ventricle → body
B. Right atrium → right ventricle → lungs → left atrium → left ventricle → body
C. Left atrium → right atrium → lungs → left ventricle → body
D. Right ventricle → right atrium → lungs → left atrium → body
CORRECT ANSWER: B. Right atrium → right ventricle → lungs → left atrium → left ventricle →
body
Rationale: Deoxygenated blood enters the right heart, travels to the lungs, returns oxygenated
to the left heart, and is then pumped to the body.
System_Blood Flow Tracings Exam
Portage Learning Questions And Answers
(Verified Answers)
Question 1
Which chamber of the heart receives deoxygenated blood returning from systemic circulation?
A. Left atrium
B. Left ventricle
C. Right atrium
D. Right ventricle
CORRECT ANSWER: C. Right atrium
Rationale: The right atrium receives deoxygenated blood from the body through the superior
and inferior venae cavae.
Question 2
Which chamber pumps deoxygenated blood to the lungs?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
CORRECT ANSWER: B. Right ventricle
Rationale: The right ventricle pumps deoxygenated blood through the pulmonary trunk and
pulmonary arteries toward the lungs.
Question 3
, Which chamber receives oxygenated blood returning from the lungs?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
CORRECT ANSWER: C. Left atrium
Rationale: Oxygenated blood returns from the lungs through the pulmonary veins and enters
the left atrium.
Question 4
Which chamber pumps oxygenated blood into systemic circulation?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
CORRECT ANSWER: D. Left ventricle
Rationale: The left ventricle pumps oxygenated blood into the aorta for distribution throughout
the body.
Question 5
Which sequence correctly represents blood flow through the heart and lungs?
A. Right atrium → left ventricle → lungs → right ventricle → body
B. Right atrium → right ventricle → lungs → left atrium → left ventricle → body
C. Left atrium → right atrium → lungs → left ventricle → body
D. Right ventricle → right atrium → lungs → left atrium → body
CORRECT ANSWER: B. Right atrium → right ventricle → lungs → left atrium → left ventricle →
body
Rationale: Deoxygenated blood enters the right heart, travels to the lungs, returns oxygenated
to the left heart, and is then pumped to the body.
