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1 | |
Which of the following is the outermost of the pericardial membranes? |
| | A) | fibrous pericardium |
| | B) | parietal pericardium |
| | C) | visceral pericardium |
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2 | |
Which heart wall layer is thickest? |
| | A) | endocardium |
| | B) | epicardium |
| | C) | myocardium |
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3 | |
Which valve separates the right atrium and the right ventricle? |
| | A) | aortic semilunar |
| | B) | bicuspid |
| | C) | pulmonary semilunar |
| | D) | tricuspid |
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4 | |
Which vessel carries blood to the left atrium? |
| | A) | aorta |
| | B) | pulmonary artery |
| | C) | pulmonary vein |
| | D) | superior vena cava |
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5 | |
The first sound of the heart beat results from |
| | A) | the closing of the semilunar valves. |
| | B) | the closing of the atrioventricular valves. |
| | C) | the contraction of the atria. |
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6 | |
Which heart valve is also called the mitral valve? |
| | A) | aortic semilunar |
| | B) | bicuspid |
| | C) | pulmonary semilunar |
| | D) | tricuspid |
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7 | |
Which blood vessel carries blood from the left ventricle? |
| | A) | aorta |
| | B) | pulmonary artery |
| | C) | pulmonary vein |
| | D) | superior vena cava |
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8 | |
The __________ equals the volume of blood pumped by a ventricle per minute. |
| | A) | cardiac output |
| | B) | stroke volume |
| | C) | minute output |
| | D) | cardiac load |
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9 | |
Which of the following lists the components of the cardiac conduction system in the correct sequence for impulse transmission? |
| | A) | AV node, AV bundle, SA node, purkinje fibers |
| | B) | AV bundle, AV node, SA node, purkinje fibers |
| | C) | SA node, AV node, AV bundle, purkinje fibers |
| | D) | purkinje fibers, AV bundle, SA node, AV node |
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10 | |
Which ECG wave accompanies ventricular depolarization? |
| | A) | P wave |
| | B) | QRS |
| | C) | T wave |
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11 | |
The cardiac control center (cardioregulatory center) is located in the |
| | A) | right atrium |
| | B) | interventricular septum |
| | C) | medulla oblongata |
| | D) | carotid artery |
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12 | |
Which of the following is not a characteristic of veins? |
| | A) | May have valves. |
| | B) | Receive blood from venules. |
| | C) | Transport oxygen poor blood. |
| | D) | Transport blood toward the heart. |
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13 | |
Which of the following is not an aspect of capillary structure and function? |
| | A) | Capillaries are microscopic blood vessels. |
| | B) | Capillaries serve as sites for the exchange of gases between the blood and tissue fluid. |
| | C) | Capillaries receive blood from arterioles. |
| | D) | Capillary dilation decreases blood pressure. |
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14 | |
The path of systemic circulation begins at the |
| | A) | left atrium |
| | B) | left ventricle |
| | C) | right atrium |
| | D) | right ventricle |
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15 | |
The _________ carries blood from the stomach and intestines to the liver. |
| | A) | aorta |
| | B) | hepatic artery |
| | C) | hepatic portal vein |
| | D) | renal artery |
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16 | |
The ______ is an opening between the two fetal atria. |
| | A) | ductus venosus |
| | B) | ductus arteriosus |
| | C) | foramen ovale |
| | D) | circle of Willis |
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17 | |
Which of the following transports oxygen rich blood to the fetus? |
| | A) | ductus arteriosus |
| | B) | ductus venosus |
| | C) | umbilical arteries |
| | D) | umbilical vein |
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18 | |
Which factor affects peripheral resistance? |
| | A) | arterial constriction |
| | B) | stroke volume |
| | C) | blood volume |
| | D) | A, B, and C affect peripheral resistance. |
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19 | |
Which of the following would cause blood pressure to decrease? |
| | A) | increased peripheral resistance |
| | B) | increased heart rate |
| | C) | epinephrine |
| | D) | atrial natriuretic factor |
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20 | |
The left side of the heart sends oxygen poor blood to the lungs. |
| | A) | True |
| | B) | False |
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21 | |
Stimulation of the heart by the parasympathetic division of the autonomic nervous system causes the heartbeat to slow down. |
| | A) | True |
| | B) | False |
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22 | |
Blood flow in veins results from skeletal muscle contraction. |
| | A) | True |
| | B) | False |
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23 | |
In the blood pressure reading 120/80, 120 is the diastolic pressure. |
| | A) | True |
| | B) | False |
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24 | |
Which valve prevents blood from flowing back into the right ventricle? |
| | A) | papillary muscles |
| | B) | pulmonary semilunar valve |
| | C) | tricuspid |
| | D) | bicuspid |
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25 | |
A heart attack is called a mycardial embolism. |
| | A) | True |
| | B) | False |
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26 | |
Which wave of an EKG (ECG) represents depolarization of the atria? |
| | A) | P wave |
| | B) | QRS complex |
| | C) | T wave |
| | D) | TP complex |
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27 | |
Inflamed veins, called ________ , is a serious condition because thromboembolism may occur. |
| | A) | phlebitis |
| | B) | varicose veins |
| | C) | hemorrhoids |
| | D) | pulmonary embolism |
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28 | |
The common iliac artery is in which blood circuit? |
| | A) | pulmonary |
| | B) | coronary |
| | C) | systemic |
| | D) | pelvic |
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