Ch 17 Heart

vena cavae

!The right atrium receives blood from the: vena cavae pulmonary arteries pulmonary veins aorta

foramen ovale

!Which opening in the interatrial septum of the fetal heart connects the right and left atrium? fossa ovalis ductus arteriosus ligamentum arteriosum foramen ovale

true

?Blood on the right never mixes with blood on the left, once the heart is fully developed.

left ventricle

?Heart tissue dies during a myocardial infarction (MI), and a person's survival and recovery depend on the extent of cell death and the chamber(s) involved. In which chamber would the loss of function be most damaging to survival? Left Ventricle Right ventricle Left atrium Right atrium

true

?The first branch off the arch of the aorta is the brachiocephalic artery in both the sheep and the human.

aorta

?The right and left coronary arteries receive blood from the: aorta. coronary sinus. pulmonary trunk. superior vena cava.

mitral valve

?Which of the following valves would be affected if papillary muscles and/or chordae tendinae stopped functioning? None of the answers are correct Pulmonary valve Mitral valve Aortic valve

pulmonary trunk

?Which vessel is guarded by a semilunar valve at its base? pulmonary vein superior vena cava pulmonary trunk coronary sinus

left atrium

An insufficient mitral valve (bicuspid valve, or left atrioventricular valve) would allow the backflow of blood into the: right atrium. left ventricle. left atrium. aorta.

pulmonary trunk

Blood that leaves the right ventricle enters the __________. venae cavae pulmonary veins aorta pulmonary trunk

veins.

Both the left and right atria receive blood from arteries. the lungs. veins. the ventricles.

heart

Coronary circulation involves the delivery of oxygenated blood to the: brain. heart. liver. lungs.

coronary sinus.

Generally, coronary veins empty into a vessel known as the: aorta. superior vena cava. inferior vena cava. coronary sinus.

Pulmonary semilunar valve

Identfiy the valve located at the exit of the right ventricle. Pulmonary semilunar valve Bicuspid valve Aortic semilunar valve Tricuspid valve

auricle

Identify the ear like flaps that are attached to the top chambers of the heart. Atrium Auricle Pectinate muscles Coronary sinus

left ventricle

Identify the most muscular chamber. Left atrium Right ventricle Right atrium Left ventricle

Tricuspid valve

Identify the right atrioventricular valve. Bicuspid valve Tricuspid valve Aortic semilunar valve Pulmonary valve

Bicuspid (mitral) valve

Identify the valve found between the left atrium and left ventricle. Pulmonary valve Bicuspid (mitral) valve Aortic valve Tricuspid valve

Endocardium

Name the inner lining of the heart. Pericardium Endocardium Epicardium Myocardium

Trabeculae carneae

Name the irregular ridges of muscle lining the ventricles. Trabeculae carneae Pectinate muscles Chordae tendineae Papillary muscles

Pectinate muscles

Name the ridged bundles of muscle found projecting inside the right atrium. Intercalated discs Pectinate muscles Trabeculae carneae Papillary muscles

false

Oxygenated blood flows through the right side of the heart.

left ventricle

Rheumatic fever is a complication of untreated strep throat and the biggest cause of valve disorders. It can cause a condition caused aortic regurgitation in which the aortic semilunar valve is damaged and blood flows backwards into the: left atrium right ventricle left ventricle pulmonary trunk

systemic veins

Right ventricular heart failure prevents the right ventricle from efficiently plumping blood into the pulmonary circuit, thus creating a backup of blood into the right atrium and the: systemic arteries left ventricle left atrium systemic veins

left hip

The apex of the heart is situated toward the: right shoulder. left hip. left shoulder. posterior rib cage.

false

The base of the heart is located at the bottom of the heart.

left ventricle

The cardiac chamber with the thickest wall is the __________. right atrium left atrium right ventricle left ventricle

brachiocephalic vein.

The coronary sinus does NOT receive blood from the: great cardiac vein. brachiocephalic vein. middle cardiac vein. small cardiac vein.

chordae tendineae

The cusps of the atrioventricular valves attach to the papillary muscles via the __________. chordae tendineae trabeculae carneae intercalated discs Purkinje fibers

two pumps

The heart is actually (one, two, or three) pumps? one pump two pumps three pumps

mediastinum

The heart is situated in the middle of the thoracic cavity in a region known as the: cardiac notch. mediastinum. pleural cavity. dorsal cavity.

pulmonary circuit

The left side of the heart receives blood returning from the: lymphatic circulation pulmonary circuit systemic circuit coronary circulation

it has to generate enough pressure to pump blood throughout the entire systemic circuit

The left ventricle is the chamber with the thickest wall, because: it pumps the heavier oxygenated blood it has to generate enough pressure to pump blood throughout the entire pulmonary circuit it has to generate enough pressure to pump blood throughout the entire systemic circuit it receives more blood than the other chambers of the heart

false. only the right side of the ventricular chamber

The moderator band is found on both the right and left side of the heart. True/False

lungs

The pulmonary circuit involves blood flow from the heart to the: liver. brain. lungs. body.

tricuspid AV valve

The valve located between the right atrium and the right ventricle is the: tricuspid AV valve aortic semilunar valve pulmonary semilunar valve bicuspid AV valve

epicardium

The visceral pericardium is also known as the __________. parietal pericardium endocardium fibrous pericardium epicardium

epicardium

The visceral pericardium is the same as the: fibrous pericardium. myocardium. endocardium. epicardium.

Chordae tendineae

What fibrous structure functions to anchor the atrioventricular valves in a closed position? Papillary muscle Moderator band Chordae tendineae Trabeculae carneae

Left ventricle

What heart chamber pushes blood through the aortic semilunar valve? Right atrium Left atrium Left ventricle Right ventricle

pericardial fluid

What is found between the visceral pericardium and the parietal pericardium? the heart the lungs fibrous pericardium pericardial fluid

Provide a blood supply to the heart

What is the function of the coronary circulation? Provide a blood supply to the aortic arch Provide a blood supply to the heart Provide a blood supply to the lungs Provide a blood supply to the pericardium

A remnant of the ductus arteriosus

What is the ligamentum arteriosum? A ligament securing the aorta A ligament attaching the aorta to the superior vena cava A remnant of the ductus arteriosus A remnant of the foramen ovale

papillary muscles

What muscles, present in the ventricles, anchor the atrioventricular valves by tendon-like chords called chordae tendineae? trabeculae carneae pectinate muscles ligamentum arteriosum papillary muscles

interventricular sulcus

What surface groove separates the right and left ventricles? interventricular sulcus interventricular septum atrioventricular sulcus interatrial septum

tricuspid valve

What valve prevents the backflow of blood from the right ventricle into the right atrium? bicuspid (mitral) valve aortic valve tricuspid valve pulmonary valve

pulmonary veins

What vessel(s) deliver oxygenated blood to the left atrium? pulmonary trunk pulmonary arteries pulmonary veins aorta

right ventricle

Which chamber of the heart exits into the pulmonary trunk? Right atrium Left atrium Left ventricle Right ventricle

left ventricle

Which chamber pumps oxygenated blood out the aorta to the systemic circuit? right atrium left atrium left ventricle right ventricle

right atrium

Which chamber receives blood from the superior and inferior vena cavae? right atrium left atrium right ventricle left ventricle

right ventricle

Which heart chamber pumps unoxygenated blood out the pulmonary trunk? left atrium left ventricle right atrium right ventricle

left atrium

Which heart chamber receives blood from the pulmonary veins? left atrium left ventricle right atrium right ventricle

pulmonary vein

Which of the following does NOT return blood to the right atrium of the heart? inferior vena cava coronary sinus superior vena cava pulmonary vein

There will be low levels of oxygen in the blood.

Which of the following effects will one see if there is a right-sided heart failure (failure of the right ventricle to pump adequately)? !There will be low levels of oxygen in the blood. There will be a backflow of blood from the left ventricle into the left atrium. Blood will accumulate in the pulmonary capillaries. Blood pH levels will increase.

pulmonary vein

Which of the following vessels carries oxygenated blood? pulmonary artery pulmonary trunk pulmonary vein superior vena cava

non striated

Which of these is not a feature of cardiac muscle tissue? branched non-striated intercalated discs involuntary

the right marginal artery and the right posterior interventricular artery

Which two arteries arise from the right coronary artery? the left marginal artery and the right circumflex artery the right anterior interventricular artery and the right circumflex artery the right marginal artery and the right posterior interventricular artery the right anterior interventricular artery and the left posterior interventricular artery

aorta

Which vessel supplies the systemic circuit with oxygenated blood? aorta coronary sinus pulmonary trunk superior vena cava