Ch.11 Heart
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| Which WBC is effective in defending the body against parasites? | Eosinophils
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| Which section of the heart receives blood from the right coronary artery? | Right Ventricle
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| What is another name for the left atrioventricular valve? | Bicuspid or Mitral Valve
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| What is the vessel that brings blood to the heart from the trunk and pelvic region? | Inferior Vena Cava
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| Which cells are involved in the production of antibodies? | Lymphocytes
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| What is the name of the structure that separates the lower chambers of the heart? | interventricular septum
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| What clotting protein produced by the liver begins the clotting process? | Thrombin
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| What is the most common blood type among Americans? | O
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| The group of pacemaker cells near the entrance of the superior vena cava form the | Sino-atrial node or SA Node
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| Which cranial nerve releases a neurotransmitter that can decrease the pulse and force of contraction? | Vagus
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| If the innermost wall of a vessel is damaged, the _________ begin to repair by attaching to the damaged site. | Platelets
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| What color will vessels be if they have a high oxygen content? | Red
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| The pH value measures the levels of | Acidity and alkalinity
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| Capillary beds are fed by the | Arterioles
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| Blood vessels that carry blood away from the heart are called | arteries
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| t/f Atherosclerosis is caused by plaque. | True
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| t/f Plasma is a yellow fluid. | True
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| t/f Monocytes are erythrocytes | False They are leukocytes
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| Type AB is the universal donor. | False. Type AB is the universal recipient.
Type O is the universal donor.
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| It is called systole when the heart contracts. | True
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| Decreased blood flow to tissues is called ischemia. | True
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| Arteries carry blood away from the heart. | True
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| The average adult human has 4-6 liters of blood. | True
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| In the venules, the exchange of gases takes place. | False. Capillaries is where the exchange of gases takes place
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| Vasodilation makes the lumen smaller. | False. Vasodilation makes the lumen larger.
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| The innermost layer of the blood vessel is the tunica interna. | False. The innermost layer of the blood vessel is the tunica intima.
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| A floating embolus is a thrombus. | False. A floating thrombus is an embolus.
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| Clotting usually begins approximately 15 seconds after injury. | False. Begins almost immediately.
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| Arteries have thinner walls than veins. | False. Veins have thinner walls than arteries.
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| The vagus nerve increases heart rate. | False. The vagus nerve decreases heart rate.
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Created by:
EHamilton