BLG 111- CHAPTER 18 HUMAN
ANATOMY AND PHYSIOLOGY 2025/2026
NEWEST EXAM QUESTIONS AND
CORRECT ANSWERS | A+ GRADE
VERIFIED ANSWERS
What is cardiac tamponade?
A) Enlargement of the heart chambers
B) Narrowing of the coronary arteries
C) Excess fluid accumulation in the pericardial space,
compressing the heart
D) Inflammation of the myocardium Correct Answer C)
Excess fluid accumulation in the pericardial space,
compressing the heart
How is cardiac tamponade typically treated?
A) Drawing fluid out of the pericardial space
B) Administering antibiotics
C) Performing open-heart surgery
D) Placing a stent in the coronary arteries Correct Answer
A) Drawing fluid out of the pericardial space
Which layer of the heart wall is the visceral layer of the
serous pericardium?
A) Myocardium
,B) Epicardium
C) Endocardium
D) Perimysium Correct Answer B) Epicardium
What is the main structural component of the
myocardium?
A) Fibrous connective tissue
B) Endothelial cells
C) Adipose tissue
D) Contractile cardiac muscle cells Correct Answer D)
Contractile cardiac muscle cells
What is the function of the cardiac skeleton?
A) To provide cushioning for the heart
B) To regulate blood pressure within the heart chambers
C) To provide structural support and organization for the
heart muscle
D) To facilitate electrical conduction throughout the heart
Correct Answer C) To provide structural support and
organization for the heart muscle
Which layer of the heart wall is continuous with the
endothelial lining of blood vessels?
A) Epicardium
B) Pericardium
C) Endocardium
D) Myocardium Correct Answer C) Endocardium
,What is the function of the interatrial septum?
A) Separates the atria from the ventricles
B) Separates the left and right atria
C) Provides structural support for the heart valves
D) Facilitates electrical conduction between the atria and
ventricles Correct Answer B) Separates the left and right
atria
What structure is a remnant of the foramen ovale of the
fetal heart?
A) Fossa cordis
B) Fossa centralis
C) Foramen magnum
D) Fossa ovalis Correct Answer D) Fossa ovalis
Which chambers of the heart are located superiorly?
A) Ventricles
B) Atria
C) Inferior vena cava
D) Pulmonary arteries Correct Answer B) Atria
What separates the ventricles of the heart?
A) Pulmonary trunk
B) Atrioventricular valves
C) Interventricular septum
D) Chordae tendineae Correct Answer C) Interventricular
septum
, Which veins empty into the right atrium of the heart?
A) Superior vena cava, inferior vena cava, and coronary
sinus
B) Pulmonary veins
C) Aortic arch
D) Coronary arteries Correct Answer A) Superior vena
cava, inferior vena cava, and coronary sinus
Which atrium receives deoxygenated blood from the
body?
A) Right atrium
B) Left atrium
C) Both atria
D) Right atrium Correct Answer D) Right atrium
Which portion of the right atrium is smooth-walled?
A) Anterior portion
B) Posterior portion
C) Superior vena cava opening
D) Coronary sinus opening Correct Answer A) Anterior
portion
From where does the left atrium receive blood?
A) Body tissues
B) Pulmonary veins
C) Lungs
ANATOMY AND PHYSIOLOGY 2025/2026
NEWEST EXAM QUESTIONS AND
CORRECT ANSWERS | A+ GRADE
VERIFIED ANSWERS
What is cardiac tamponade?
A) Enlargement of the heart chambers
B) Narrowing of the coronary arteries
C) Excess fluid accumulation in the pericardial space,
compressing the heart
D) Inflammation of the myocardium Correct Answer C)
Excess fluid accumulation in the pericardial space,
compressing the heart
How is cardiac tamponade typically treated?
A) Drawing fluid out of the pericardial space
B) Administering antibiotics
C) Performing open-heart surgery
D) Placing a stent in the coronary arteries Correct Answer
A) Drawing fluid out of the pericardial space
Which layer of the heart wall is the visceral layer of the
serous pericardium?
A) Myocardium
,B) Epicardium
C) Endocardium
D) Perimysium Correct Answer B) Epicardium
What is the main structural component of the
myocardium?
A) Fibrous connective tissue
B) Endothelial cells
C) Adipose tissue
D) Contractile cardiac muscle cells Correct Answer D)
Contractile cardiac muscle cells
What is the function of the cardiac skeleton?
A) To provide cushioning for the heart
B) To regulate blood pressure within the heart chambers
C) To provide structural support and organization for the
heart muscle
D) To facilitate electrical conduction throughout the heart
Correct Answer C) To provide structural support and
organization for the heart muscle
Which layer of the heart wall is continuous with the
endothelial lining of blood vessels?
A) Epicardium
B) Pericardium
C) Endocardium
D) Myocardium Correct Answer C) Endocardium
,What is the function of the interatrial septum?
A) Separates the atria from the ventricles
B) Separates the left and right atria
C) Provides structural support for the heart valves
D) Facilitates electrical conduction between the atria and
ventricles Correct Answer B) Separates the left and right
atria
What structure is a remnant of the foramen ovale of the
fetal heart?
A) Fossa cordis
B) Fossa centralis
C) Foramen magnum
D) Fossa ovalis Correct Answer D) Fossa ovalis
Which chambers of the heart are located superiorly?
A) Ventricles
B) Atria
C) Inferior vena cava
D) Pulmonary arteries Correct Answer B) Atria
What separates the ventricles of the heart?
A) Pulmonary trunk
B) Atrioventricular valves
C) Interventricular septum
D) Chordae tendineae Correct Answer C) Interventricular
septum
, Which veins empty into the right atrium of the heart?
A) Superior vena cava, inferior vena cava, and coronary
sinus
B) Pulmonary veins
C) Aortic arch
D) Coronary arteries Correct Answer A) Superior vena
cava, inferior vena cava, and coronary sinus
Which atrium receives deoxygenated blood from the
body?
A) Right atrium
B) Left atrium
C) Both atria
D) Right atrium Correct Answer D) Right atrium
Which portion of the right atrium is smooth-walled?
A) Anterior portion
B) Posterior portion
C) Superior vena cava opening
D) Coronary sinus opening Correct Answer A) Anterior
portion
From where does the left atrium receive blood?
A) Body tissues
B) Pulmonary veins
C) Lungs
