A+P II Blood

________ is the symptom generally brought on by coronary ischemia. Fluid in the lungs Angina pectoris A rash Memory loss Hematuria

Angina pectoris

The wall of the left ventricle is thicker than that of the right and the left ventricle pumps more blood than the right. Are these two statements true or false? Both statements are true. Both statements are false. The first is true; the second is false. The first is false; the second is true.

The first is true; the second is false.

The ________ carry blood away from the heart. capillaries arterioles veins venules arteries

arteries

The earlike extension of the atrium is the ventricle. auricle. coronary sinus. coronary sulcus. interatrial septum.

auricle.

The superior portion of the heart where major blood vessels enter and exit is the hilum. base. mediastinum. septum. apex.

base

The bicuspid or mitral valve is located between the left atrium and left ventricle. in the opening of the pulmonary trunk. between the right atrium and right ventricle. in the opening of the aorta. where the venae cavae join the right atrium.

between the left atrium and left ventricle.

The ________ valve prevents backward flow into the left atrium. pulmonic semilunar bicuspid tricuspid semicaval

bicuspid

The coronary sinus drains the ________ into the ________. cardiac vein; right ventricle interventricular artery; left ventricle cardiac veins; right atrium coronary arteries; left ventricle right atrium; right ventricle

cardiac veins; right atrium

The cusps (leaflets) of atrioventricular valves attach directly to coronary sulci. chordae tendineae. papillary muscles. trabeculae carneae. interatrial septa.

chordae tendineae.

The ____________ follows the coronary sulcus around the heart and supplies blood to the left atrium and ventricle. circumflex artery left coronary artery anterior interventricular artery right coronary artery

circumflex artery

The function of an atrium is to pump blood into the systemic circuit. store blood for use by the myocardial cells. pump blood to the lungs. pump blood to the ventricle. collect blood then pump it to the ventricle.

collect blood then pump it to the ventricle.

As blood leaves the right ventricle, it passes through the ________ and then into the pulmonary trunk. superior vena cava pulmonary veins inferior vena cava conus arteriosus aorta

conus arteriosus

The first blood vessels to branch from the aorta are the ________ arteries. circumflex pulmonary carotid subclavian coronary

coronary

The term ________ refers to blockage in the coronary circulation. embolism coronary artery disease atherosclerosis phlebitis congestive heart failure

coronary artery disease

The great and middle cardiac veins drain blood into the coronary sulcus. coronary sinus. inferior vena cava. aorta. superior vena cava.

coronary sinus.

When a blood clot forms on a ruptured plaque in a coronary artery, the condition is referred to as a(n) angina pectoris. pulmonary embolism. coronary spasm. coronary thrombosis. myocardial infarction.

coronary thrombosis.

The ________ lines the chambers of the heart, covers the heart valves, and is continuous with the endothelium. visceral pericardium epicardium mediastinum endocardium myocardium

endocardium

The ________ covers the outer surface of the heart. myocardium endocardium mediastinum parietal pericardium epicardium

epicardium

The visceral pericardium is the same as the parietal pericardium. myocardium. endocardium. mediastinum. epicardium.

epicardium.

The pulmonary veins carry blood to the liver. heart. intestines. lungs. brain.

heart

The pulmonary veins carry blood to the liver. heart. intestines. lungs. brain.

heart.

The atrioventricular valves permit blood flow from a ventricle to an atrium. in both directions. in opposite directions on the right and left. in many directions. in one direction only.

in one direction only.

The foramen ovale in the fetal heart is located in the right atrium. interatrial septum. left atrium. right ventricle. left ventricle.

interatrial septum.

The ________ is shared by the two ventricles. chordae tendineae trabeculae carneae bicuspid valve vena cava interventricular septum

interventricular septum

Pericardial fluid is a lubricant between the heart and the pericardial sac. consists of plasma that has leaked out of whole blood. flows through the four chambers of the heart. provides oxygen to the heart muscle. is located between the myocardium and the endocardium.

is a lubricant between the heart and the pericardial sac.

The circumflex branch and the anterior interventricular artery are branches of the right coronary artery. left coronary artery. aorta. interventricular artery. coronary sinus.

left coronary artery.

Which chamber has the thickest wall? left auricle left atrium right atrium right ventricle left ventricle

left ventricle

An MI that affects the ________ side of the heart is more severe because it has to pump blood with ________ force. left; less right; more right; equal right; less left; more

left; more

The ________ side of the heart supplies blood to the systemic circuit, while the ________ side of the heart supplies blood to the pulmonary circuit. (Figure 20-1) superior; inferior right; left left; right left; superior inferior; superior

left; right

The ________ is a remnant of an important fetal blood vessel that once linked the pulmonary and systemic circuits. ligamentum arteriosum foramen ovale ductus arteriosus ductus venosus fossa ovalis

ligamentum arteriosum

The pulmonary arteries carry blood to the brain. heart. liver. intestines. lungs.

lungs

The coronary sulcus is a groove that marks the boundary line between the right and left ventricles. separates the atrioventricular valves from the atria. separates the coronary arteries from the coronary veins. marks the boundary line between the right and left atria. marks the border between the atria and ventricles.

marks the border between the atria and ventricles.

Sam has been diagnosed with having pulmonary edema. Which heart valve is most likely malfunctioning and not closing properly? aortic semilunar valve mitral valve pulmonary semilunar valve tricuspid valve

mitral valve

The ________ is an important ridge of muscle extending horizontally around the right ventricle from the interventricular septum to the base of the anterior papillary muscle containing part of the conducting system. moderator band conus arteriosus auricle trabeculae carneae pectinate muscle

moderator band

The muscle layer of the heart is the parietal pericardium. epicardium. mediastinum. myocardium. endocardium.

myocardium.

The pulmonary veins carry __________ blood to the __________ atrium. oxygenated; left deoxygenated; left oxygenated; right deoxygenated; right

oxygenated; left

The right pulmonary veins carry ________ blood to the ________. deoxygenated; superior vena cava deoxygenated; right atrium oxygenated; right lung oxygenated; left atrium deoxygenated; left atrium

oxygenated; left atrium

Thick projections of muscle in the ventricles that anchor chordae tendineae are called conus arteriosus. papillary muscles. pectinate muscles. auricles. trabeculae carneae.

papillary muscles.

Prominent muscular ridges in the anterior atrial wall and auricles are called papillary muscles. conus arteriosus. pectinate muscles. fossa ovalis. trabeculae carneae.

pectinate muscles.

The heart lies within the ________ cavity. orbital peritoneal pericardial dorsal pleural

pericardial

The papillary muscles function to __________. prevent the AV valves from inverting into the atria eject blood from the ventricles push blood from the atria into the ventricles close the AV valves

prevent the AV valves from inverting into the atria

Contractions of the papillary muscles eject blood from the ventricles. close the atrioventricular valves. close the semilunar valves. eject blood from the atria into the ventricles. prevent the atrioventricular valves from reversing into the atria.

prevent the atrioventricular valves from reversing into the atria.

Oxygen is added to blood as it flows through the ________ circuit. systemic portal pulmonary oxygen primary

pulmonary

The ________ circuit carries blood to and from the lungs. pulmonary primary systemic oxygen portal

pulmonary

Blood leaves the right ventricle by passing through the pulmonary valve. tricuspid valve. aortic valve. mitral valve. bicuspid valve.

pulmonary valve.

The right atrium receives blood from all of the following structures except the superior vena cava. coronary sinus. systemic circuit. inferior vena cava. pulmonary veins.

pulmonary veins.

Compared to the right ventricle, the left ventricle has all the following characteristics except pumps a greater volume. produces about four to six times more pressure when it contracts. has a thicker wall. is round in cross section. works harder.

pumps a greater volume.

The right ventricle pumps blood to the right atrium. left atrium. left ventricle. right and left lungs. aorta.

right and left lungs.

Blood flowing in the vena cava will next enter the __________. right atrium left ventricle left atrium right ventricle

right atrium

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

right atrium

Blood returning to the heart from the systemic circuit first enters the left ventricle. right ventricle. left atrium. right atrium. conus arteriosus.

right atrium.

The marginal branch and posterior interventricular branch are branches of the left coronary artery. circumflex artery. aorta. coronary sinus. right coronary artery.

right coronary artery.

Which of the following are involved in the pulmonary circuit? right ventricle, pulmonary trunk, left atrium inferior vena cava, right atrium, aorta superior vena cava, right atrium, left ventricle left ventricle, pulmonary veins, right atrium right ventricle, pulmonary veins, aorta

right ventricle, pulmonary trunk, left atrium

Coronary veins empty into the right ventricle. left atrium. left ventricle. conus arteriosus.

right ventricle.

The pulmonary valve prevents backward flow into the pulmonary veins. aorta. pulmonary trunk. left atrium. right ventricle.

right ventricle.

The ________ circuit carries blood from the aorta to the right atrium. portal primary systemic oxygen pulmonary

systemic

Blood is supplied to the myocardium by arteries that branch from the pulmonary arteries. the coronary sinus. contact with blood in the pumping chambers. the coronary arteries. arteries that branch off the subclavian arteries.

the coronary arteries.

Muscular ridges on the inner surface of the ventricles are called chordae tendineae. papillary muscles. trabeculae carneae. intercalated discs. coronary sinuses.

trabeculae carneae.

There are ________ pulmonary veins. 8 12 4 6 2

4

The following is a list of vessels and structures that are associated with the heart. What is the correct order for the flow of blood entering from the systemic circulation? 1. right atrium 2. left atrium 3. right ventricle 4. left ventricle 5. venae cavae 6. aorta 7. pulmonary trunk 8. pulmonary veins 5, 3, 1, 7, 8, 4, 2, 6 5, 1, 3, 7, 8, 2, 4, 6 1, 2, 7, 8, 3, 4, 6, 5 1, 7, 3, 8, 2, 4, 6, 5 5, 1, 3, 8, 7, 2, 4, 6

5, 1, 3, 7, 8, 2, 4, 6

The heart pumps approximately ________ liters of blood each day. 15,000 8,000 100,000 50,000 20,000

8,000

Which statement correctly describes the term left atrioventricular valve? Its cusps open into the aorta. Its cusps open into the superior vena cava. Its cusps open into the left ventricle. Its cusps open into the left atrium. Its cusps open into the pulmonary trunk.

Its cusps open into the left ventricle.

Which of the following is not true regarding the right atrioventricular valve? It is also called the tricuspid valve. The cusps provide one-way flow of blood. It prevents backflow of blood from the right ventricle into the right atrium. The valve closes when the right atrium contracts. It has 3 cusps.

The valve closes when the right atrium contracts.

The adult heart is roughly the size of the brain. the liver. the gallbladder. the hand of a 10-year-old. a man's clenched fist.

a man's clenched fist.

The left ventricle pumps blood to the right ventricle. aorta. right atrium. lungs. pulmonary circuit.

aorta.

The __________ valve prevents backward flow of blood into the left ventricle. pulmonary bicuspid aortic tricuspid

aortic

Which valve(s) cusps open up toward the base of the heart? left AV and aortic valves right AV and pulmonary valves right and left AV valves right AV, left AV, aortic and pulmonary valves aortic and pulmonary valves

aortic and pulmonary valves

The inferior point of the heart is called the apex. mediastinum. hilum. septum. base.

apex.

Which valve(s) contains 2 cusps? right and left AV valves right AV and pulmonary valves right AV valve left AV valve left AV and aortic valves

left AV valve

Blood returning to the heart from the pulmonary circuit first enters the __________. pulmonary trunk right atrium pulmonary valve left atrium

left atrium

Blood returning to the heart from the pulmonary circuit first enters the left ventricle. right ventricle. left atrium. right atrium. conus arteriosus.

left atrium.

Blood is supplied to the muscular wall of the left atrium by the left coronary artery. right coronary artery. pulmonary arteries. brachiocephalic artery. phrenic arteries.

left coronary artery.

Beginning with the right atrium, what is the order of the valves through which blood will pass? (Figure 20-5) aortic valve, tricuspid valve, mitral valve, pulmonary valve tricuspid valve, pulmonary valve, mitral valve, aortic valve pulmonary valve, tricuspid valve, aortic valve, mitral valve tricuspid valve, mitral valve, pulmonary valve, aortic valve mitral valve, aortic valve, tricuspid valve, pulmonary valve

tricuspid valve, pulmonary valve, mitral valve, aortic valve

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

two pumps

The ________ carry blood toward the heart. lacteals arteries arterioles veins capillaries

veins