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Circulatory Test
Circulatory System Test Review
| Question | Answer |
|---|---|
| The cardiac muscle is the _____. | myocardium |
| The _______ valve of the heart allows blood to pump from the left ventricle into the aorta. | aortic semilunar |
| In a normal adult, the heart beats about ____ to ____ times per minute. | 60, 80 |
| Thick-walled muscular and elastic vessels that transport oxygenated blood from the heart valve are called _______. | arteries |
| The main artery of the body is the _____. | aorta |
| The process by which blood pushes fluids and substances through the capillary wall and into the tissue spaces is ______. | filtration |
| In the phenomenon known as ________, muscles contract and exert external pressure on veins, tending to collapse them. | venous pump |
| Blood circulation from the heart to the lungs and back to the heart is _______ circulation. | pulmonary |
| _______, ________ and ________ all increase the likelihood of atherosclerosis. | high blood pressure, high cholesterol level, smoking |
| A cerebrovascular accident (CVA) or stroke is caused by a disturbance in cerebral circulation due to ____, _____ and _____. | embolism, atherosclerosis, hemorrhage |
| Myocardial infarction is another name for ________. | heart attack |
| The condition of excess fluid in the interstitial spaces is _______. | edema |
| The skin may hold as much as _______ of all the body's blood. | one-half |
| The iron-protein compound in red blood cells capable of carrying oxygen from the lungs to the cells and carbon dioxide from the cells is _______. | hemoglobin |
| The process by which leukocytes engulf and digest harmful bacteria is _______. | phagocytosis |
| In ______ anemia, which is inherited, hemoglobin molecules assume rodlike shapes after delivering oxygen to cells. | sickle cell |
| Lymphatic capillaries located in the villi of the small intestine are called _______. | lacteals |
| An inguinal lymph node is found where in the body? | groin |
| Anything that can trigger an immune system response is called a ________. | antigen |
| B-cells work chiefly by producing _______. | antibodies |
| Blood cells that can engulf and digest cellular debris and foreign bodies in tissues are called ________. | phagocytes |
| Supplying the body with nutrients and carrying away waste products is the function of the _______. | circulatory system |
| The two-way diffusion of substances between the blood and tissue fluids surrounding cells is the function of the ______. | capillaries |
| Waste-laden blood returns to the heart through the _________. | veins |
| Blood platelets are important to proper ______. | clotting |
| Macrophages are large cells (WBCs) that destroy foreign bacteria by the process of _______. | phagocytosis |
| The process in which substances move from an area of higher concentration to an area of lower concentration is _________. | diffusion |
| Blood is supplied to the small finger side of the hand by the _______. | ulnar artery |
| The right atrium receives blood directly from ________. | the superior and inferior vena cava |
| The liquid that surrounds tissue cells is called _______. | interstitial fluid |
| Toxic molecules are filtered by the _______. | lymphatic system |
| Lymph reenters the blood-vascular system through the ______. | subclavian vein |
| Approximately how much of the fluid that leaves the blood-vascular system is absorbed by the lymph-vascular system? | 10 percent |
| A condition in which there is an inadequate population of erythrocytes is ________. | anemia |
| Three branches of the aorta are the ___________, __________ and the ___________. | right coronary artery, brachiocephalic artery, left subclavian artery |
| Blood from the face and scalp is drained by the ___________. | inferior vena cava |
| The thickest part of the heart muscle is near the ________. | left ventricle |
| The inside membrane lining of the heart and the valves is called the ________. | endocardium |
| The semilunar valve prevents the backflow of blood into the ___________. | right ventricle |
| An erythrocyte __________. | contains hemoglobin |
| ______,_______ and ________ are all white blood cells. | leukocytes, lymphocytes, monocytes |
| A free-floating blood clot is called an ______. | embolus |
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