Choose the one answer that best answers the question.
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1 |  |  Which of the following is carried by the circulatory system? |
|  | A) | oxygen |
|  | B) | food |
|  | C) | carbon dioxide |
|  | D) | all of the above |
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2 |  |  Which of the following lists the chambers of the heart in order from the body and to the body? |
|  | A) | right atrium, left atrium, right ventricle, left ventricle |
|  | B) | right atrium, right ventricle, left atrium, left ventricle |
|  | C) | left atrium, left ventricle, right atrium, right ventricle |
|  | D) | left atrium, right atrium, left ventricle, right ventricle |
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3 |  |  Which structures in the heart produce some of the sounds of a heartbeat? |
|  | A) | mitral valves |
|  | B) | ventricles |
|  | C) | coronary arteries |
|  | D) | atria |
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4 |  |  Which of the following tissue types is found in capillaries? |
|  | A) | smooth muscle |
|  | B) | elastic layer |
|  | C) | endothelium |
|  | D) | all of the above |
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5 |  |  Which of the following are the characteristics of erythrocytes? |
|  | A) | straw colored fluid |
|  | B) | small pink cells without nuclei |
|  | C) | large purple cells |
|  | D) | inner layer of blood vessels |
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6 |  |  Which blood type of blood vessel carries blood to the heart? |
|  | A) | veins |
|  | B) | arteries |
|  | C) | capillaries |
|  | D) | erythrocytes |
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7 |  |  A person with a blood pressure rate of 220/170 has a ____. |
|  | A) | normal blood pressure |
|  | B) | very low blood pressure |
|  | C) | very high blood pressure |
|  | D) | very low pulse rate |
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8 |  |  If you measure your pulse rate in your neck, which vessel are you measuring? |
|  | A) | facial artery |
|  | B) | carotid artery |
|  | C) | carotid vein |
|  | D) | radial artery |
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9 |  |  According to the Arizona's Heart Institute, which of the following factor contributes the most to the possibility of a heart attack? |
|  | A) | age |
|  | B) | family history |
|  | C) | smoking |
|  | D) | diabetes |
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10 |  |  What is the systolic blood pressure measuring? |
|  | A) | the pressure in the veins when the heart is working |
|  | B) | the pressure in the veins when the heart is at rest |
|  | C) | the pressure in the arteries when the heart is working |
|  | D) | the pressure in the arteries when the heart is at rest |
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