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Cardiovascular Anatomy Single Best of Five Questions
Descripción
This quiz helps you revise your cardiovascular anatomy
Sin etiquetas
cardiovascular
anatomy
medicine
chris mulryan
nursing
Test por
Chris Mulryan
, actualizado hace más de 1 año
Más
Menos
Creado por
Chris Mulryan
hace casi 8 años
16
0
0
Resumen del Recurso
Pregunta 1
Pregunta
Angiotensin One has which one of the following effects on blood vessels?
Respuesta
Produces vasoconstriction
Reduces permeability
Increases permeability
Angiotensin one is an inactive precursor chemical
Produces vasodilatation
Pregunta 2
Pregunta
Papillary muscles serve which one of the following functions in the heart?
Respuesta
Direct blood flow towards the out flow tract during systole
Assist in keeping the lower pressured vessels patent in the heart by aposing the affect of the higher pressed atrial supply
Assist with expansion of the heart following systole
Anchor the chordae tendineae and assist in keeping the atrio ventricular valves closed during ventricular systole
Anchor the chordae tendineae and assist in keeping the aortic and pulmonary valves closed during ventricular systole
Pregunta 3
Pregunta
Which one of the following describes the components needed for effective perfusion?
Respuesta
Cardiac pump, cardiac output, heart rate
Cardiac pump and extra vascular muscle pump
Stroke volume x heart rate
Vascular resistance & blood volume
Cardiac pump, blood volume, systemic vascular resistance
Pregunta 4
Pregunta
With regard to the SA node, which one of following is true?
Respuesta
It is made of cardiac myocytes
It has automaticity at a rate of 200 beats per min
In health it is the only electrical connection between the atria and the ventricles
It is the natural pace maker of the heart
It is the escape pacemaker of the heart
Pregunta 5
Pregunta
Which one of the following coronary vessels supplies the anterior wall of the heart?
Respuesta
The circumflex
The left intraventrcular
Right coronary artery
Left main coronary artery
The coronary sinus
Pregunta 6
Pregunta
Which one of the following best describes the coronary ostia?
Respuesta
Is the physiological narrowing in the coronary vessel that ensures a low pressure distal to the ostia so that coronary flow is maintained
The coronary ostia is the opening to the right atrium off the vena cava
It is the opening in the aorta which supplies oxygenated blood to the coronary vessels
It is the point in the coronary circulation where the left coronary artery divides into the left anterior descending and the circumflex artery
It is the connection between the arterial and venous systems in the coronary vasculature
Pregunta 7
Pregunta
The aortic valve is designed to prevent flow of blood in which one of the following situations?
Respuesta
From the right atrium into the vena cava during diastole
The from the left ventricle into the left atrium during systole
From the right atrium into the vena cava during systole
From the aorta into the left ventricle during diastole
From the right ventricle into the right atrium during systole
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