BIO 202 Exam 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | lumen
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| show | to prevent backflow
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| from outermost to innermost what are the 3 tunica of an artery | show 🗑
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| show | arteries and arterioles take blood away from the heart and to capillaries, which then flow through venules and veins back to the heart
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| show | when the valves in veins collapse and blood begins to pool
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| what is pulmonary circulation | show 🗑
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| what is systemic circulation | show 🗑
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| show | the sternum
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| show | the pericardium
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| what is the muscular layer of the heart called | show 🗑
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| show | cardiac muscle
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| what is the inner lining of the heart called | show 🗑
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| where would you find the sulci of the heart | show 🗑
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| show | between the walls of the atria
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| where can the interventricular septum be found | show 🗑
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| show | left and right atrium
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| show | ventricles
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| show | chordae tendinea
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| what does prolapse refer to in regards to the heart | show 🗑
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| show | when there is a failure of the valves
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| what are the papillary muscles and their function | show 🗑
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| show | the left side because it needs to pump blood much further through the body
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| what is the largest artery in the human body | show 🗑
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| show | a partial obstruction of blood flow which may cause chest pain
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| what is an infarction | show 🗑
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| what is CABG | show 🗑
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| show | the heartbeat originates in the heart
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| show | the heartbeat is regular or spontaneous depolarization
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| what region of the heart is referred to as the pacemaker | show 🗑
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| show | Sa node, av node, av bundle (bundle of his), bundle branches, purkinje fibers
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| what is the importance of the plateau in a heart cells action potential | show 🗑
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| show | electrocardiogram, checkin the electrical activity of the whole heart
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| show | atrial depolarization (first small hump)
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| What does the P-R interval signify | show 🗑
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| show | ventricle depolarization
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| What does the Q-T interval signify | show 🗑
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| show | ventricle repolarization (2nd small hump)
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| What is PVC? Can this be a normal occurence? | show 🗑
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| What is V-Tac | show 🗑
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| show | atrial/ventricular contraction
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| what is diastole | show 🗑
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| Cardiac output | show 🗑
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| pulse | show 🗑
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| show | when the resting HR is above 100
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| show | when the resting HR is below 60 (normal for fit people)
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| show | the amount of tension in the ventricular myocardium before it contracts
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| show | NE and epinephrine (cardiac stimulants), increased HR
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| show | inhibits camp breakdown
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| show | stimulates catecholamine secretions
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| show | increase HR, increases sensitivity to sympathetic stimulation, and increases adrenergic receptors in the heart
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| explain contractility | show 🗑
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| show | increases intracellular concentrations of calcium
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| explain afterload | show 🗑
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| what happens to cardiac output when a person "warms up" during exercise | show 🗑
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| symptoms of left heart failure | show 🗑
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| show | inability for the right side to adequately pump venous blood into pulmonary circulation, edema can occur in our hands, feet and rest of our body
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| where is majority of blood distributed during exercise | show 🗑
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| at rest where is majority of blood distribution in the human occurring | show 🗑
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| show | the rate of blood flowing through a tissue in a given time
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| what is perfusion | show 🗑
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| show |
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| what is blood pressure | show 🗑
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| show | pressure within the capillary beds
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| what is venous pressure | show 🗑
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| show | total peripheral resistance
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| what is vascular resistance | show 🗑
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| show | thickness or resistance caused by RBC's and albumin as well as other molecules suspended in blood
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| what is turbulence | show 🗑
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| what affect TPR | show 🗑
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| normal BP | show 🗑
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| show | difference between systolic and diastolic pressure
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| show | diastolic pressure +1/3 pulse pressure
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| show | metabolic theory of auto regulation, vasoactive chemicals, reactive hyperemia, angiogenesis
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| show | can be found in the aortic arch and carotid sinus as well as other large arteries restoring homeostasis through negative feedback loops
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| show | receptors found in aortic and carotid bodies like the aortic arch and subclavian/external carotid arteries. They monitor pH
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| show | hypoxemia or hypercapnia may cause acidosis in the blood stream, so the pH may lower
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| show | increase aldosterone production, increases ADH production, increases thirst, increases cardiac output (BP)
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| where does ANP and BNP come from | show 🗑
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| what effect do ANP and BNP ave on the cardiovascular system when released | show 🗑
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