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| What will the chemoreceptor reflex respond to? |
RESPONDS TO THE NEED FOR INCREASED DEPTH AND RATE OF VENTILATION |
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MichaelMorano Mon, 07 Nov 2011 21:52:36 GMT |
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| What do chemoreceptors detect? |
LACK OF OXYGEN |
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MichaelMorano Mon, 07 Nov 2011 21:52:36 GMT |
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| Chemoreceptor Reflex? |
*RESPONDS TO THE NEED FOR INCREASED DEPTH AND RATE OF VENTILATION
*LOCATED ON THE CAROTID AND AORTIC BODIES AND DETECT LACK OF OXYGEN
*RESPOND TO AN INCREASE IN ATRIAL CO2 LEVELS. |
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MichaelMorano Mon, 07 Nov 2011 21:52:36 GMT |
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| Distention of the right atrium will cause what reflex to occur? |
BAINBRIDGE REFLEX |
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MichaelMorano Mon, 07 Nov 2011 21:45:12 GMT |
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| When will the Bainbridge reflex occur? |
WHEN MECHANORECEPTORS EMBEDDED WITHIN THE RIGHT ATRIAL MYOCARDIUM RESPOND TO AN INCREASE IN PRESSURE AND STRETCH.
(DISTENTION OF THE RIGHT ATRIUM) |
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MichaelMorano Mon, 07 Nov 2011 21:45:12 GMT |
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| What happens when the Bainbridge reflex is stimulated? |
INCREASED SYMPATHETIC INPUT AND HEART RATE.
(THIS REFLEX CAN ALSO INFLUENCE A DECREASE IN HEART RATE WHEN THE HEART IS BEATING TOO FAST) |
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MichaelMorano Mon, 07 Nov 2011 21:45:12 GMT |
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| Mechanoreceptors that are sensitive to stretch and pressure peak in activity at approximately? |
180 mm Hg |
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MichaelMorano Mon, 07 Nov 2011 21:45:12 GMT |
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| Purkinje fibers? |
COMPOSE THE LAST PART OF THE ELECTRICAL CONDUCTION SYSTEM OF THE HEART. THEY RELAY ELECTRICAL IMPULSES TO THE MUSCLE CELLS OF THE HEART |
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MichaelMorano Mon, 07 Nov 2011 19:14:06 GMT |
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| Compose the last part of the electrical conduction system of the heart. They relay electrical impulses to the muscle cells of the heart? |
PURKINJE FIBERS |
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MichaelMorano Mon, 07 Nov 2011 19:14:06 GMT |
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| Compose the last part of the electrical conduction system? |
PURKINJE FIBERS |
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MichaelMorano Mon, 07 Nov 2011 19:14:06 GMT |
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| Bundle of His? |
THE BUNDLE OF HIS IS A GROUP OF FIBERS THAT INITIATES AT THE ATRIOVENTRICULAR NODE, ENTERS THE INTERVENTRICULAR SYSTEM, AND SPLITS INTO THE LEFT AND RIGHT VENTRICLES. THE FIBERS BRANCH INTO SMALL PURKINJE FIBERS. |
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MichaelMorano Mon, 07 Nov 2011 19:14:06 GMT |
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| Located in the inferior wall of the right atrium close to the tricuspid valve? |
ATRIOVENTRICULAR NODE (AV NODE) |
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MichaelMorano Mon, 07 Nov 2011 19:10:27 GMT |
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| The atrioventricular node (AV) is AKA? |
JUNCTIONAL NODE |
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MichaelMorano Mon, 07 Nov 2011 19:10:27 GMT |
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| Pacemaker of the heart? |
SINOATRIAL NODE |
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MichaelMorano Mon, 07 Nov 2011 19:10:27 GMT |
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| Located near the right atrium near the superior vena cava and is the primary pacemaker of the heart? |
SINOATRIAL NODE (SA NODE) |
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MichaelMorano Mon, 07 Nov 2011 19:10:27 GMT |
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| The primary artery that carries blood to the lungs from the right ventricle? |
PULMONARY ARTERY |
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MichaelMorano Sun, 06 Nov 2011 22:41:16 GMT |
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| The primary vein that drains venous blood from the lower body and viscera into the right atrium? |
INFERIOR VENA CAVA |
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MichaelMorano Sun, 06 Nov 2011 22:41:16 GMT |
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| The primary vein that drains venous blood from the head, neck, and upper body into the right atrium? |
SUPERIOR VENA CAVA |
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MichaelMorano Sun, 06 Nov 2011 22:40:18 GMT |
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| Provides blood to the lower body and visceral tissues? |
DESCENDING AORTA |
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MichaelMorano Sun, 06 Nov 2011 22:40:18 GMT |
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| Provides blood to the head, neck, and arms? |
ASCENDING AORTA |
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MichaelMorano Sun, 06 Nov 2011 22:40:18 GMT |
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| What are the divisions of the aorta? |
*CAROTIDS
*SUBCLAVIANS
*DESCENDING AORTA |
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MichaelMorano Sun, 06 Nov 2011 22:40:18 GMT |
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| Largest artery which carries the total cardiac output. Divisions include the carotids, subclavians, and descending aorta? |
AORTA |
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MichaelMorano Sun, 06 Nov 2011 22:38:18 GMT |
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| Semilunar valves? |
BLOOD FROM EACH VENTRICLE FLOWS OUT OF THE HEART THROUGH THESE VALVES. THE VALVES CLOSE UPON SUBSEQUENT DIASTOLE TO AVOID BACKFLOW OF THE BLOOD INTO THE HEART. |
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MichaelMorano Sun, 06 Nov 2011 22:38:18 GMT |
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| Blood from each atria flows to each ventricle through these valves. The valves close upon ventricular contraction to avoid backflow? |
ATRIOVENTRICULAR VALVES |
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MichaelMorano Sun, 06 Nov 2011 22:38:18 GMT |
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| Prevents the systemic blood from returning to the left ventricle? |
AORTIC VALVE |
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MichaelMorano Sun, 06 Nov 2011 22:38:18 GMT |
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| Prevents left ventricular blood from returning to the left atrium? |
MITRAL VALVE |
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MichaelMorano Sun, 06 Nov 2011 22:34:14 GMT |
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| Prevents blood from returning to the right ventricle? |
PULMONIC VALVE |
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MichaelMorano Sun, 06 Nov 2011 22:34:14 GMT |
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| Prevents right ventricular blood from going back into the right atrium? |
TRICUSPID VALVE |
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MichaelMorano Sun, 06 Nov 2011 22:34:14 GMT |
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| Receives blood from the left atrium. Pushes blood into the aorta and the systemic circulation? |
LEFT VENTRICLE |
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MichaelMorano Sun, 06 Nov 2011 22:34:14 GMT |
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| Receives arterial blood from the pulmonary veins? |
LEFT ATRIUM |
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MichaelMorano Sun, 06 Nov 2011 22:31:37 GMT |
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| Receives blood from the right atrium through the tricuspid valve. Pushed blood into the pulmonary artery and pulmonary circulation? |
RIGHT VENTRICLE |
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MichaelMorano Sun, 06 Nov 2011 22:31:37 GMT |
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| Receives blood from the superior and inferior vena cava? |
RIGHT ATRIUM |
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MichaelMorano Sun, 06 Nov 2011 22:31:37 GMT |
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| A double-walled connective tissue sac (fibrous layer and serous layer) that surrounds the heart and protects it from trauma or infection? |
PERICARDIUM |
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MichaelMorano Sun, 06 Nov 2011 22:31:37 GMT |
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| The thick layer of muscle of the hart that provides the pumping force for the ventricles? |
MYOCARDIUM |
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MichaelMorano Sun, 06 Nov 2011 22:25:50 GMT |
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| A thin layer of tissue that lines the inside surface of the heart and valves? |
ENDOCARDIUM |
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MichaelMorano Sun, 06 Nov 2011 22:25:50 GMT |
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| Located at the second intercostal space behind the sternum on the posterior aspect of the heart; it lies adjacent to the vertebral bodies of T6 through T9? |
BASE |
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MichaelMorano Sun, 06 Nov 2011 22:25:50 GMT |
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| Located at the fifth intercostal space at the midclavicular line; this represents the tip of the left ventricle? |
APEX |
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MichaelMorano Sun, 06 Nov 2011 22:25:50 GMT |
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