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Hazel Munoz
SCI220-05 Anatomy Set 2: Week 10 The Heart and Blood
| Question | Answer |
|---|---|
| During fetal circulation, what opening in the septum, between right and left atria, directs most of the blood so that it bypasses the fetal lungs? | Foramen ovale |
| A graphic record of the electrical activity of the heart is a(n) ______. | ECG/EKG |
| Renal veins drain blood from the________. | kidneys |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as ________. | hematopoietic stem cells |
| Which of the following is NOT found in a normal ECG reading? P wave, QRS complex, T wave, E wave | E wave |
| Free edges of the AV valves areanchored to the _______. | papillary muscles |
| This layer of larger blood vessels are made up of endothelium. | Tunica intima |
| What are the 4 structures that compose the conduction system of the heart? | SA node, AV node, AV bundle, and Purkinje fibers |
| Blood type refers to the ______. | antigen |
| ___________ are also called conducting arteries and are in the aorta. | Elastice arteries |
| These structures are supplied with blood from the left subclavian artery. | Head and upper extremities |
| The heart valves that are located where the trunk of the pulmonary artery joins the reight ventricle and where the aorta joins the left ventricle are called _______. | seilunar valves |
| The internal ilian artery supplies blood to the _______. | pelvis |
| What is the outermost layer of the larger blood vessels? | Tunica adventitia |
| Which of the following is NOT a granulocyte? Neutrophils, eosinophils, lymphocytes, basophiles | Lymphocytes |
| In _________, blood moves from veins to other veins or arteries to other arteries w/o passing through an intervening capillary network. | Vascular anastomoses |
| _________ sphincters function as regulatory valves that reduces bloodflow through a network of capillaries when they contract and constrict the arterioles. | Precapillary |
| After blood leaves the lungs and return to the heart, where does it enter? | Left atrium |
| What structure initiates mechanical contraction of a normal cardiac impulse? | SA node |
| The heart has its own special sac called the _______. | pericardium |
| Which of the following is a formed element found in blood? Platelet, WBC, RBC, plasma | WBC, RBC, and platelet |
| Atria are also known as _________ because they receive blood from veins. | receiving chambers |
| This vessel drains much of the superficial leg and foot. | Great saphenous vein |
| A gycoprotein hormonethat is secreted to increase oxygen concentration in the tissues is ________. | Erythropoietin |
| What do platelets do? | Blood clotting |
| Where do myocardial cells receive blood from? | Coronary arteries |
| Microscopic vessels that carry blood from small arteries to small veins are ________. | capillaries |
| The brachiocephalic vein drains blood from _______. | head, neck, and upper extremity |
| Neutrophils are highly mobile and phagocytic. They migrate out of blood vessels and into tissue spaces. This process is known as _______. | diapedesis |
| What division of the Autonomic nervous system sends fibers to the heart? | Sympathetic and Parasympathetic |
Created by:
hazel_m
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