Cardiovascular Exam (MCQ 2):
Question One:
Please match the names to the correct descriptions?
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1.
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Aortic valve
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A.
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Vessels that receives blood from all veins in the lower body and delivers it to the heart.
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2.
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Atrium
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B.
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Valve between the left atrium and left ventricle.
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3.
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Pulmonary veins
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C.
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Muscular layer of the heart.
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4.
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Heart
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D.
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Tiniest of the blood vessels.
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5.
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Aorta
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E.
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Lower chamber on each side of the heart.
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6.
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Superior vena cava
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F.
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Top chamber of the heart into which blood enters.
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7.
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Pulmonary valve
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G.
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Fluid filled sack that surrounds and protects the heart.
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8.
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Bicuspid valve
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H.
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One of the semilunar valves; located between the right ventricle and the pulmonary artery.
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9.
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Myocardium
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I.
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Picture of the wave pattern made by the tiny electrical impulses that the heart makes as it beats endocardium.
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10.
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Electrocardiogram
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J.
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Vessels that carries blood from the heart to the lungs.
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11.
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Ventricle
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K.
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Artery that carries blood from the heart to all other arteries.
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12.
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Capillary
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L.
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Semilunar valve between the left ventricle and the aorta.
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13.
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Pericardium
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M.
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Valve between the right atrium and right ventricle.
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14.
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Pulmonary artery
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N.
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Vessels that receives blood from all veins in the upper body and delivers it to the heart
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15.
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Inferior vena cava
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O.
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Vessels that carry blood from the lungs back to the heart.
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P.
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Strongest muscle in the body; when it pumps, it makes a sound described as lub DUB.
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Question Two (Multiple Choices):
Please answer for all questions:
1. Which of the following is not correct concerning the location of the heart:
A. It is inferior to the lungs.
B. It is posterior to the diaphragm.
C. It is superior to the lungs.
D. It is anterior to the vertebrae.
2. Heart muscle is also called:
A. Endothelium.
B. Endocardium.
C. Epicardium.
D. Myocardium.
E. Visceral pericardium.
3. The epicardium:
A) is also known as the parietal pericardium.
B) is a layer of cardiac muscle.
C) is the visceral pericardium.
D) lines the heart chambers.
E) is the pacemaker of the heart.
4. Blood vessels that carry blood away from the heart are called:
A. Arteries.
B. Veins.
C. Capillaries.
D. All of the above.
5. The tissue which forms a loose-fitting sac around the heart is the:
A. Visceral pericardium.
B. Parietal pericardium.
C. Myocardium.
D. Epicardium.
E. Endocardium.
6. The valve between the left ventricle and the blood vessel leaving the left ventricle is the:
A. Bicuspid valve.
B. Tricuspid valve.
C. Pulmonary semilunar valve.
D. Aortic semilunar valve.
7. The smallest type of blood vessels are:
A. Arteries.
B. Arterioles.
C. Venules.
D. Capillaries.
8. The fluid filled sac that surrounds the heart is called the:
A. Myocardium.
B. Pericardium.
C. Ventricle.
D. Septum.
9. Blood exits the left ventricle in which one of the following blood vessels:
A. aorta
B. coronary artery
C. pulmonary trunk
D. pulmonary vein
E. superior vena cava
10.Compared to an artery, the wall of a vein differs in which of the following way:
A. It consists of three coats called tunics.
B. It is lined by a thin layer of endothelium.
C. It contains smooth muscle.
D. The middle tunic is thin.
E. Veins have an extra layer of muscle.
11.Most often, systemic arterial blood pressure is measured in this artery with the auscultatory method, using a stethoscope and sphygmomanometer:
A. Aorta.
B. Brachial artery.
C. Carotid artery.
D. Femoral artery.
E. Radial artery.
12.Which of the following blood vessels is not part of the systemic circulation:
A. Aorta.
B. Carotid arteries.
C. Coronary artery.
D. Inferior vena cava.
E. Pulmonary artery.
13.Which Of the following is not one of the great vessels of the heart?
A. Pulmonary arteries.
B. Coronary arteries.
C. Superior vena cava.
D. Pulmonary veins.
14.During the period of ejection in the cardiac cycle, the atrioventricular valves are …………….. and the semilunar valves are………………
A. closed, closed
B. closed, open
C. open, closed
D. open, open
15.The most common site for taking blood samples is the:
A. Brachial vein.
B. Ulnar vein.
C. Median cubital vein.
D. Brachial artery.
16.The following are the heart valves:
1) aortic semilunar valve
2) bicuspid (mitral) valve
3) pulmonary semilunar valve
4) tricuspid valve.
Arrange them in the order in which an erythrocyte would pass through them after returning to the heart from the left arm:
A. 1,2,3,4
B. 2,3,1,4
C. 3,1,2,4
D. 3,4,2,1
E. 4,3,2,1
17.Which of the following does not aid the return of venous blood to the heart from the lower extremities?
A. Valves in veins.
B. The muscle "pump" .
C. The respiratory "pump" .
D. Gravity.
E. The large lumen of veins.
18.Which of the following indicates atrial depolarization in an electrocardiograms:
A. P wave.
B. QRS complex.
C. QT interval.
D. T wave.
E. U wave.
19.If the SA node becomes damaged and nonfunctional, which of these is the most likely to occur?
A. The heart will stop.
B. The ventricles will contract, but the atria will stop.
C. Another part of the heart, possibly the AV node, will become the pacemaker.
D. The heart will beat faster.
E. The atria will keep contracting, but the ventricles will stop.
20.Early repolarization of cardiac muscle cells occurs when:
A. voltage-gated Ca2+ ion channels open.
B. voltage-gated K+ ion channels open.
C. voltage-gated Na+ ion channels close.
D. both b and c.
21.During the QT interval of the ECG, the:
A. atria contract and begin to relax.
B. atria relax.
C. ventricles contract and begin to relax.
D. ventricles relax.
22.Which of the following is NOT true during ventricular systole?
A. AV valves close.
B. Intraventricular pressure rises.
C. Semilunar valves close.
D. The atria are relaxed.
E. Chordae tendinae prevent AV valve flaps from flipping up into the atria.
23.Which of the following blood vessels carries oxygen-rich blood?
A. Coronary sinus.
B. Inferior vena cava.
C. Pulmonary trunk.
D. Pulmonary vein.
E. Superior vena cava.
24.The second heart sound, described as "dupp" is actually the sound of the
A. Atria contracting.
B. Ventricles contracting.
C. Atrioventricular valves closing.
D. Semilunar valves closing.
E. Heart slapping the liver.
25.You are not an athlete and you are not physical fit. If you suddenly partake in physical exercise, then the increased demands of such vigorous exercise on your body are met primarily by:
A. Increased stroke volume.
B. Increased heart rate.
C. Increased blood volume.
D. All of above.
E. Only b. and c.
