BIOD 152 MODULE 4 EXAM QUESTIONS
AND ANSWERS GRADED A+ 2025/2026
Which body system supplies cells with oxygen and nutrients and carries away waste?
A. Nervous system
B. Respiratory system
C. Urinary System
D. Circulatory System - ANS D. Circulatory System
The circulatory system is response for which of the following functions?
A. Supply cells with oxygen
B. Transportation of gases
C. Rid cells of waste
D. Prevents loss of blood
E. All of the above - ANS E. All of the above
The heart is contained in the _______ cavity.
A. Pericardial
B. Pleural
C. Septal
D. Rectoperineal - ANS A. Pericardial
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Which layer of heart anchors it to the diaphragm?
A. Endocardium
B. Mediastinal
C. Myocardium
D. Pericardium - ANS D. Pericardium
What is the purpose of the mitral valve? - ANS The mitral valve regulates blood flow from the
left atrium into the left ventricle.
Label the figure below (A-E):A:B:C:D: (In blue)E: - ANS A: Superior Vena Cava
B: Right Atrium
C: Tricuspid/Right AV valve
D: Left ventricle
E. Pulmonary Valve
the pericardial cavity contains the: - ANS heart
Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow) -
ANS Right Coronary Artery
Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow) -
ANS Left Coronary Artery
Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow) -
ANS Circumflex branch
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
AND ANSWERS GRADED A+ 2025/2026
Which body system supplies cells with oxygen and nutrients and carries away waste?
A. Nervous system
B. Respiratory system
C. Urinary System
D. Circulatory System - ANS D. Circulatory System
The circulatory system is response for which of the following functions?
A. Supply cells with oxygen
B. Transportation of gases
C. Rid cells of waste
D. Prevents loss of blood
E. All of the above - ANS E. All of the above
The heart is contained in the _______ cavity.
A. Pericardial
B. Pleural
C. Septal
D. Rectoperineal - ANS A. Pericardial
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Which layer of heart anchors it to the diaphragm?
A. Endocardium
B. Mediastinal
C. Myocardium
D. Pericardium - ANS D. Pericardium
What is the purpose of the mitral valve? - ANS The mitral valve regulates blood flow from the
left atrium into the left ventricle.
Label the figure below (A-E):A:B:C:D: (In blue)E: - ANS A: Superior Vena Cava
B: Right Atrium
C: Tricuspid/Right AV valve
D: Left ventricle
E. Pulmonary Valve
the pericardial cavity contains the: - ANS heart
Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow) -
ANS Right Coronary Artery
Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow) -
ANS Left Coronary Artery
Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow) -
ANS Circumflex branch
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.