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45 Cards in this Set
- Front
- Back
Blood leaving the subclavian artery flows directly into the ________ before flowing into the arm as the brachial artery. |
External iliac artery. |
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The right and left renal veins empty blood into the: |
Inferior vena cava. |
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The Purjinkle fibers are indicated by label: |
E |
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The SA Node is indicated by letter: |
A |
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The specific chamber of the heart that is indicated by letter A is called the: |
Right atrium. |
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The AV Node is indicated by letter: |
B |
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The bundle branches are indicated by letter: |
D |
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The pulmonary arteries carry deoxygenated blood to the lungs. |
True |
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The thick layer of the heart wall that contains contractile cardiac muscle tissue is the: |
Myocardium |
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The atria of the heart are the chambers that are: |
Located superiorly and are the receiving chambers of the heart. |
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Which one of the following areas receives blood directly from the four pulmonary veins: |
Left atrium. |
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Which one of the following blood vessels is NOT part of the systemic circulation: |
Pulmonary arteries. |
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When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the: |
Left ventricle to the left atrium. |
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The tricuspid valve is located between the: |
Right atrium and right ventricle. |
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The superior vena cava empties: |
Deoxygenated blood into the right atrium. |
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Which one of the following blood vessels carries oxygenated blood: |
Pulmonary vein. |
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The aortic semilunar valve is composed of: |
Three cusps and opens when the left ventricle contracts. |
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Which one of the following are direct branches of the left coronary artery: |
Anterior interventricular and circumflex arteries. |
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The crescent-shaped pacemaker of the heart that initiates depolarization under normal conditions is the: |
Sinoatrial (SA) Node. |
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Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart: |
SA Node, AV Node, AV Bundle, right and left bundle branches, Purkinje fibers |
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A heart rate that is substantially lower than normal (less than 60 beats per minute) is called: |
Bradycardia. |
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Which one of the following vessels receives blood during the ventricular systole: |
Pumonary trunk. |
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The mitral valve is normally closed: |
When the ventricle is in systole. |
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Into which one of the following vessels does blood enter during ventricular systole: |
Both A and C. |
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Which one of the following is true concerning the lub-dup sounds of the heart: |
The first sound is longer and louder and is caused by the closure of the AV valves; the second sound is shorter and sharper and is caused by closure of the semilunar valves. |
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The volume of blood pumped out by each ventricle with each beat of the heart is called the: |
Stroke volume. |
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The path of blood flow within the systemic vascular system is: |
Arteries, arterioles, capillary beds, venules, veins |
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An increase in parasympathetic activity (primarily by the vagus nerves) causes: |
A decrease in both heart rate and cardiac output. |
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How does the wall of a vein differ when compared to an artery: |
The middle coat is relatively thin |
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Which one of the following is caused by a decrease in venous return to the heart: |
A decrease in stroke volume and cardiac output. |
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Which one of the following is the correct sequence going from the outermost to the innermost layer of a blood vessel wall: |
Tunica externa, tunica media, tunica intima |
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Which one of the following blood vessels is a direct branch of the ascending aorta: |
Both the right and left coronary arteries. |
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Which one of the following does NOT receive blood directly from the aortic arch: |
Right common carotid artery. |
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The dorsal pedis artery that supplies the dorsum of the foot is the terminal branch of the: |
Anterior tibial artery. |
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The carotid artery is located in the: |
Neck. |
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The superior vena cava: |
Drains blood from the brachial vein, then empties that blood into the subclavian vein. |
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The brachial vein: |
Drains blood from the radial and ulnar veins, then empties that blood into the axillary vein. |
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The umbilical vein carries: |
Oxygen and nutrients from the placenta to the fetus. |
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Which one of the following blood vessels in the fetus has the highest concentration of oxygen: |
Ductus venosus |
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Which one of the following areas is NOT a pressure point: |
Renal artery |
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In which one of the following blood vessels is blood pressure the highest: |
Arteries. |
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Peripheral resistance is increased by: |
Atherosclerosis. |
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Generalized vasoconstriction occurs as a result of: |
An increase in sympathetic Nervous system firing |
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Substances tend to leave the bloodstream at the arterial end of the capillary because: |
Blood pressure is higher at the atrial end of the capillary. |
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Varicose veins are caused by: |
Incompetent venous valves. |