FISDAP CARDIOLOGY EXAM: COMPREHENSIVE
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UNIT 1 – CARDIAC ANATOMY AND PHYSIOLOGY
1. Which chamber of the heart receives unoxygenated blood
returning from the body?
A) Left atrium
B) Left ventricle
C) Right atrium
D) Right ventricle
Correct Answer: C
Rationale: The right atrium receives deoxygenated blood from the
superior and inferior vena cava. Blood then passes through the tricuspid
valve to the right ventricle.
2. Which valve controls blood flow between the left atrium and left
ventricle?
A) Tricuspid valve
B) Mitral valve (bicuspid)
C) Aortic valve
D) Pulmonic valve
,Correct Answer: B
Rationale: The mitral valve (bicuspid valve) controls blood flow between
the left atrium and left ventricle. The tricuspid valve controls flow
between the right atrium and right ventricle.
3. When do coronary arteries fill with blood?
A) During systole when the aortic valve opens
B) During diastole when the aortic valve closes
C) During ventricular contraction
D) During atrial systole
Correct Answer: B
Rationale: Coronary arteries fill with blood during diastole when the
aortic valve closes. During systole, the aortic valve opens and covers the
openings to the coronary arteries. During diastole, blood flows back
down the aorta and fills the coronary arteries.
4. The myocardium receives its blood supply from the coronary
arteries that branch directly from the:
A) Aorta
B) Vena cavae
C) Left atrium
D) Right ventricle
Correct Answer: A
Rationale: The aorta is the largest artery in the body and originates
from the left ventricle. The coronary arteries branch directly off the
ascending aorta, supplying the myocardium with oxygenated blood.
5. What is the largest artery in the human body?
A) Pulmonary artery
B) Coronary artery
, C) Aorta
D) Carotid artery
Correct Answer: C
Rationale: The aorta is the largest artery in the human body, originating
from the left ventricle and distributing oxygenated blood to the systemic
circulation.
6. After blood has been oxygenated, it returns to the heart by
entering the:
A) Right atrium
B) Left atrium
C) Right ventricle
D) Left ventricle
Correct Answer: B
Rationale: Oxygenated blood returns to the heart via the pulmonary
veins and enters the left atrium. It then passes through the mitral valve
to the left ventricle.
7. Vessels that supply the myocardium are called:
A) Pulmonary arteries
B) Coronary arteries
C) Carotid arteries
D) Femoral arteries
Correct Answer: B
Rationale: The coronary arteries supply blood to the myocardium (heart
muscle).
8. A buildup of calcium and cholesterol forming plaque inside blood
vessels most likely causes:
PRACTICE EXAMINATION STUDY GUIDE | LATEST
UPDATE 2026/2027 | ACTUAL EXAM PRACTICE
QUESTIONS AND ANSWERS | EXAM REVIEW | 100%
CORRECT ANSWERS | MOST RECENT |A+ GRADED.
UNIT 1 – CARDIAC ANATOMY AND PHYSIOLOGY
1. Which chamber of the heart receives unoxygenated blood
returning from the body?
A) Left atrium
B) Left ventricle
C) Right atrium
D) Right ventricle
Correct Answer: C
Rationale: The right atrium receives deoxygenated blood from the
superior and inferior vena cava. Blood then passes through the tricuspid
valve to the right ventricle.
2. Which valve controls blood flow between the left atrium and left
ventricle?
A) Tricuspid valve
B) Mitral valve (bicuspid)
C) Aortic valve
D) Pulmonic valve
,Correct Answer: B
Rationale: The mitral valve (bicuspid valve) controls blood flow between
the left atrium and left ventricle. The tricuspid valve controls flow
between the right atrium and right ventricle.
3. When do coronary arteries fill with blood?
A) During systole when the aortic valve opens
B) During diastole when the aortic valve closes
C) During ventricular contraction
D) During atrial systole
Correct Answer: B
Rationale: Coronary arteries fill with blood during diastole when the
aortic valve closes. During systole, the aortic valve opens and covers the
openings to the coronary arteries. During diastole, blood flows back
down the aorta and fills the coronary arteries.
4. The myocardium receives its blood supply from the coronary
arteries that branch directly from the:
A) Aorta
B) Vena cavae
C) Left atrium
D) Right ventricle
Correct Answer: A
Rationale: The aorta is the largest artery in the body and originates
from the left ventricle. The coronary arteries branch directly off the
ascending aorta, supplying the myocardium with oxygenated blood.
5. What is the largest artery in the human body?
A) Pulmonary artery
B) Coronary artery
, C) Aorta
D) Carotid artery
Correct Answer: C
Rationale: The aorta is the largest artery in the human body, originating
from the left ventricle and distributing oxygenated blood to the systemic
circulation.
6. After blood has been oxygenated, it returns to the heart by
entering the:
A) Right atrium
B) Left atrium
C) Right ventricle
D) Left ventricle
Correct Answer: B
Rationale: Oxygenated blood returns to the heart via the pulmonary
veins and enters the left atrium. It then passes through the mitral valve
to the left ventricle.
7. Vessels that supply the myocardium are called:
A) Pulmonary arteries
B) Coronary arteries
C) Carotid arteries
D) Femoral arteries
Correct Answer: B
Rationale: The coronary arteries supply blood to the myocardium (heart
muscle).
8. A buildup of calcium and cholesterol forming plaque inside blood
vessels most likely causes:
