Heart & Blood Vessels Lab Exam
ventricles
Also know as the "discharging chambers"
atria
Also know as the "receiving chambers" of the heart
2nd intercostal space at right sternal margin
Aortic valve sounds heard in the _________________.
coronary veins
Blood vessels that transport deoxygenated blood from the heart toward the right atrium.
myoglobin and glycogen
Cardiac muscle cells are rich in __________ and ___________.
large mitochondria
Cardiac muscle cells have many very _______________ to perform aerobic respiration.
aerobic
Cardiac muscle tissue is specially adapted to stay ___________.
serious pericardium
Delicate membrane around the heart consisting of the parietal and visceral layer.
striated, branching, involuntary cells with intercalated disks and one nucleus per cell
Describe cardiac muscle.
1. pulmonary valve closed 2. atria in systole 3. tricuspid valve & mitral valves open 4. aortic valve closed 5. ventricles filling during ventricular diastole 6. pulmonary valve opens 7. aortic valve opens 8. atria filling during atrial diastole 9. tricuspid and mitral valves closed 10. ventricles in systole
Describe the chambers and valves during contraction in the picture
-In mediastinum between second rib and fifth intercostal space -On superior surface of diaphragm -Two-thirds of heart to left of midsternal line -Anterior to vertebral column, posterior to sternum
Describe where the heart is located.
Pericardium
Double-layered membrane surrounding the heart.
papillary muscles
Enlarged muscles in ventricles that anchor the chordae tendinae.
four pulmonary veins
How many veins return blood from the lungs?
1. Superior vena cava 2. Aorta 3. Right pulmonary artery 4. Left pulmonary artery 5. pulmonary trunk 6. Right pulmonary veins 7. Left pulmonary veins 8. Right atrium 9. Left atrium 10. Pulmonary valve 11. Opening of coronary sinus 12. tricuspid valve 13. Right ventricle 14. inferior vena cava 15. mitral bicuspid 16. chordae tendineae 17. left ventricle 18. papillary muscle 19. interventricular septum
Label the Heart
1. aorta 2. superior vena cava 3. left pulmonary artery 4. right pulmonary artery 5. left pulmonary veins 6. right pulmonary veins 7. left auricle 8. circumflex artery 9. great cardiac vein 10. coronary sinus 11. left ventricle 12. apex 13. left atrium 14. right atrium 15. inferior vena cava 16. middle cardiac vein 17. posterior interventricular artery 18. right ventricle
Label the Heart
1. crista terminalis 2. pectinate muscles 3. sinoatrial node 4. limbus of fossa ovale 5. small cardiac vein 6. right coronary artery 7. atrioventricular node 8. fossa ovalis
Label the Heart
1. fibrous skeleton 2. mitral valve 3. tricuspid valve 4. aortic semilunar valve 5. opening of left coronary artery 6. pulmonary semilunar valve
Label the Heart
1. interatrial septum 2. fossa ovalis 3. pectinate muscles 4. right atrium 5. chordae tendineae 6. papillary muscles 7. opening of coronary sinus 8. left auricle 9. pulmonary semilunar valve 10. mitral valve 11. left ventricle 12. trabeculae carneae 13. interventricular septum
Label the Heart
1. left atrium 2. coronary sinus 3. left ventricle 4. posterior interventricular sulcus 5. apex 6. right atrium 7. right ventricle
Label the Heart
1. pulmonary semilunar valve 2. pectinate muscles 3. tricuspid valve 4. trabeculae carneae 5. mitral valve 6. chordae tendineae 7. papillary muscles
Label the Heart
1. pulmonary semilunar valve 2. tricuspid valve 3. chordae tendinae 4. aortic semilunar valve 5. mitral valve 6. papillary muscles
Label the Heart
1. pulmonary semilunar valve 2. tricuspid valve 3. papillary muscles 4. trabeculae carneae 5. right ventricle 6. interventricular septum 7. aortic semilunar valve 8. mitral valve 9. chordae tendineae 10. left ventricle 11. apex
Label the Heart
1. pulmonary veins 2. left atrium 3. left ventricle 4. superior vena cava 5. right atrium 6. inferior vena cava 7. right ventricle
Label the Heart
1. right atrium 2. pulmonary semilunar valve 3. right ventricle 4. tricuspid valve 5. left atrium 6. bicuspid valve 7. interventricular septum 8. left ventricle
Label the Heart
1. right atrium 2. right auricle 3. right ventricle 4. anterior interventricular sulcus 5. apex 6. ligamentum arteriosum 7. left atrium 8. left auricle 9. left ventricle
Label the Heart
1. right atrium 2. tricuspid valve 3. right ventricle 4. papillary muscles 5. left atrium 6. aortic semilunar valve 7. mitral valve 8. chordae tendineae 9. left ventricle 10. interventricular septum
Label the Heart
1. superior vena cava 2. aorta 3. ligamentum arteriosum 4. right pulmonary artery 5. left pulmonary artery 6. right pulmonary veins 7. pulmonary trunk 8. left pulmonary veins 9. right auricle 10. left auricle 11. left coronary artery 12. great cardiac vein 13 right coronary artery 14. anterior cardiac veins 15. small cardiac vein 16. inferior vena cava 17. marginal artery 18. anterior interventricular artery 19. left ventricle 20. right ventricle 21. apex
Label the Heart
1. superior vena cava 2. aorta 3. pulmonary trunk 4. ligamentum arteriosum 5. left auricle 6. left atrium 7. right atrium 8. mital valve 9. bundle branches 10. chordae tendeneae 11. papillary muscles 12. trabeculae carnae 13. purkinje fibers
Label the Heart
1. superior vena cava 2. aorta 3. right coronary artery 4. marginal artery 5. ligamentum arteriosum 6. pulmonary artery 7. pulmonary trunk 8. left coronary artery 9. circumflex artery 10. anterior interventricular artery
Label the Heart
1. superior vena cava 2. right auricle 3. right ventricle 4. aorta 5. pulmonary trunk 6. left auricle 7. left ventricle
Label the Heart
1. trachea 2. right common carotid a 3. right subclavian a 4. brachiocephalic a 5. superior vena cava 6. ascending aorta 7. right auricle 8. right ventricle 9. marginal branch of right coronary artery 10. right brachiocephalic vein 11. left brachiocephalic vein 12. left subclavian artery 13. left common carotid artery 14. ligamentum arteriosum 15. left pulmonary artery 16. pulmonary trunk 17. left auricle 18. great cardiac vein 19. left ventricle 20. anterior interventricular branch of the left coronary artery 21. anterior interventricular groove
Label the Heart
1. Lumen 2. valve 3. endothelium of tunica interna 4. connective tissue (elastic and collagen fibers) 5. tunica media 6. tunica externa
Label the blood vessels in the picture
1. SA node 2. interatrial septum 3. AV node 4. AV bundle 5. right bundle branch 6. left bundle branch 7. purkinje fibers 8. interventricular septum
Label the cardiac conduction system in the picture
1. fibrous pericardium 2. parietal layer of serous pericardium 3. pericardial cavity 4. epicardium (visceral layer of serous pericardium) 5. myocardium 6. endocardium 7. heart chamber
Label the layers of the heart
1. hepatic portal vein 2. left gastric vein 3. right gastric vein 4. superior mesenteric vein 5. inferior mesenteric vein 6. inferior vena cava 7. right common iliac vein 8. left external iliac vein 9. left internal iliac vein
Label the veins of the abdomen
1. brachiocephalic trunk 2. right brachiocephalic vein 3. left brachiocephalic vein 4. superior vena cava 5. ascending aorta 6. right coronary artery 7. small cardiac vein 8. left common carotid artery 9. left subclavian artery 10. aortic arch 11. left pulmonary artery 12. pulmonary trunk
Label the vessels
1. left brachiocephalic vein 2. right brachiocephalic vein 3. brachiocephalic trunk 4. left common carotid artery 5. left subclavian artery 6. aortic arch 7. left pulmonary artery 8. left pulmonary veins 9. left coronary artery 10. circumflex artery 11. great cardiac vein 12. anterior interventricular artery 13. pulmonary trunk 14. right coronary artery 15. ascending aorta 16. superior vena cava
Label the vessels
1. superior vena cava 2. great cardiac vein 3. coronary sinus 4. pulmonary arteries 5. pulmonary veins 6. inferior vena cava 7. small cardiac vein 8. posterior interventricular artery 9. middle cardiac vein
Label the vessels
1. superior vena cava 2. right pulmonary artery 3. right pulmonary veins 4. descending aorta 5. left pulmonary veins 6. left atrium 7. left pulmonary veins 8. coronary sinus 9. right atrium 10. inferior vena cava
Label the vessels
1. left common carotid artery 2. left subclavian artery 3. right pulmonary artery 4. aortic arch 5. left pulmonary artery 6. left pulmonary veins 7. great cardiac vein 8. posterior interventricular artery 9. middle cardiac vein 10. brachiocephalic trunk 11. superior vena cava 12. right pulmonary veins 13. inferior vena cava 14. right coronary artery 15. marginal artery 16. small cardiac vein
Label the vessels of the heart
over the apex in the 5th intercostal space in line with the middle of the clavicle
Mitral valve sounds heard ________________
valves from everting
Papillary muscles and chordae tenineae prevent
2nd intercostal space, left sternal margin
Pulmonary valve sounds heard in the ______________.
pectinate muscles
The "teeth of a comb" shaped parallel muscular columns that are present on the inner wall of the right atria and right and left auricles
left and right coronary arteries
The ____________ supply blood to tissues of the heart.
base of the heart
The broad superior portion of the heart that is the point of attachment for the great vessels
diaphragm sternum
The fibrous pericardium is attached to the _____________ and _________ and protects the heart.
fist less than 1 pound
The heart is approximately the size of a ___________ and weighs _____________.
apex of the heart
The inferior end of the heart that tapers to a blunt point
circumflex artery, left anterior descending artery, right coronary artery
The left coronary artery supplies
circumflex artery and left anterior descending artery
The left main coronary artery branches into:
right atrium, right ventricle, bottom portion of both ventricles and back of septum
The right coronary artery supplies:
pulmonary trunk aorta
The right ventricle pumps blood into the __________ while the left ventricle pumps blood into the _______________.
atrioventricular valves semilunar valves
The two major types of valves are __________ and __________.
pressure changes
The valves of the heart open and close in reponse to ______________.
in right sternal margin of 5th intercostal space
Tricuspid valve sounds heard _____________
False, ventricles have thicker walls
True or false: The atria have thicker walls than the ventricles.
glucose, fatty acids, amino acids, and ketones
What are the fuels that cardiac muscle cells use?
great cardiac vein, small cardiac vein, middle cardiac vein
What are the three coronary veins?
epicardium, myocardium, endocardium
What are the three layers of the heart wall?
superior vena cava, inferior vena cava, coronary sinus
What are the three veins that empty into the right atrium?
left atrium
___________ receives oxygenated blood from the lungs
sulcus
_____________ = follow the fat
pericardial cavity
______________ contains fluid that reduces friction between the pericardial membranes as the heart moves within them
collateral circulation
________________ is a network of tiny blood vessels and under normal condition, not open
cardiac tamponade
acute compression of the heart caused by fluid accumulation in the pericardial cavity
visceral layer of serous pericardium
adheres to the outside of the heart, also called the epicardium
auricles
appendages that increase atrial volume
myocardium
circular or spiral bundles of contractile cardiac muscle cells
Coronary sulcus (atrioventricular groove)
encircles the junction of atria and ventricles
coronary sinus
enlarged vessel on the posterior aspect of the heart that empties blood into the right atrium
pericarditis
inflammation of the pericardium that roughens membrane surfaces, causing pericardial friction rub (creaking sound) heard with a stethoscope
trabeculae carneae
irregular ridges of muscle on ventricular walls
parietal layer of serous pericardium
lines internal surface of fibrous pericardium
right atrium
receives deoxygenated blood from the body
fossa ovalis
remnant of foramen ovale of fetal heart
sulcus (sulci)
shallow grooves
atria
small, thin-walled chambers; contribute little to propulsion of blood
aorta
the largest artery in the body
fibrous pericardium
tough, white fibrous connective tissue that is the outer layer of the pericardium
