Exam 2 (ch 17)
the apex of the heart is situated toward the a. left hip b. posterior rib cage c. right shoulder d. left shoulder
a
what is the most superficial layer of the pericardial sac a. fibrous pericardium b. visceral pericardium c. epicardium d. parietal pericardium
a
where should the left ventricle send blood to a. aorta b. coronary sinus c. left atrium d. pulmonary trunk
a
which of the following vessels carries oxygenated blood a. pulmonary vein b. pulmonary tunk c. pulmonary artery d. superior vena cava
a
An insufficient mitral valve (bicuspid valve, or left atrioventricular valve) would allow the backflow of blood into the: a. left atrium b. right atrium c. aorta d. left ventricle
a.
the visceral pericardium is the same as the a. epicardium b. endocardium c. fibrous pericardium d. myocardium
a.
the heart is situated in the middle of the thoracic cavity in a region known as the a. dorsal cavity b. mediastinum c. cardiac notch d. pleural cavity
b
the pulmonary circuit involves blood flow from the heart to and from the a. body b. lungs c. brain d. liver
b
which of the following does NOT return blood the the right atrium of the heart a. coronary sinus b. pulmonary vein c. inferior vena cava d. superior vena cava
b
which vessel supplies the systemic circuit with oxygenated blood a. coronary sinus b. aorta c. superior vena cava d. pulmonary trunk
b
what surface groove separates the right and left ventricles a. atrioventricular sulcus b. interventricular sulcus c. interventricular septum d. interatrial septum
b.
coronary circulation involves the delivery of oxygenated blood to the a. brain b. lungs c. heart d. liver
c
the right side of the heart receives a. oxygenated blood from the systemic circuit b. oxygenated blood from the pulmonary circuit c. deoxygenated blood from the systemic circuit d. deoxygenated blood from the pulmonary circuit
c
what muscles present in the ventricles anchor by the tendon-like chords called chordae tendineae a. trabeculae carneae b. pectinate muscles c. papillary muscles d. ligamentum arteriosum
c
which vessel is guarded by a semilunar valve at its base a. coronary sinus b. pulmonary vein c. pulmonary trunk d. superior vena cava
c
the right and left coronary arteries receive blood from the a. superior vena cava b. coronary sinus c. aorta d. pulmonary trunk
c.
what vessel(s) deliver oxygenated blood to the left atrium a. aorta b. pulmonary arteries c. pulmonary veins d. pulmonary trunk
c.
which opening in the interatrial septum of the fetal heart connects the right and left atrium a. ductus arteriosus b. fossa ovalis c. foramen ovale d. ligamentum arteriosum
c.
Generally coronary veins empty into a vessel known as the a. aorta b. inferior vena cava c. superior vena cava d. coronary sinus
d
autorhythmicity is the responsibility of a. contractile cells b. cardiac muscle cells c. skeletal muscle cells d. cardiac pacemaker cells
d
blood in the right atrium should travel next past the a. mitral valve and into the left ventricle b. pulmonary trunk to the pulmonary capillaries c. pulmonary valve and into the pulmonary trunk d. tricuspid valve and into the right ventricle
d
both the left and right atria receive blood from the a. the ventricles b. arteries c. the lungs d. veins
d
the coronary sinus does NOT receive blood from the a. middle cardiac vein b. small cardiac vein c. great cardiac vein d. brachiocephalic vein
d
what is the function of the valves in the heart a. promote contraction of the ventricles b. eliminate pressure variances within the heart c. invert during contraction of the ventricles d. prevent backflow of blood through the heart
d
what valve prevents the backflow of blood from the right ventricle into the right atrium a. left atrioventricular valve b. pulmonary valve c. aortic valve d. right atroventricular valve
d
what vessel delivers oxygenated blood to systemic capillaries for gas exchange a. pulmonary trunk b. coronary artery c. circumflex artery d. aorta
d
the cusps of the atrioventricular valves attach directly to a. trabeculae carneae b. pectinate muscles c. papillary muscles d. chordae tendineae
d.
what is found between the visceral pericardium and the parietal pericardium a. fibrous pericardium b. the heart c. the lungs d. pericardial fluid
d.
which two arteries arise from the right coronary artery? a. the right anterior interventricular artery and the left posterior interventricular artery b. the left marginal artery and the right circumflex artery< c. the right anterior interventricular artery and the right circumflex artery d. the right marginal artery and the right posterior interventricular artery
d.
