Question | Answer |
Portion of the conduction system of the heart innervated by sympathetics from the left. | AV node |
The SA node is located in the right atrial wall between the auricle and superior vena cava at the upper end of the | Crista terminalis |
Vein that accompanies right coronary a. around to the posterior surface of the heart. | Small cardiac v. |
Specific chamber of the heart which lies against the esophagus | Left atrium |
Name the papillary muscles of the right ventricle | Septal, anterior, posterior |
Left ventricle of the heart is responsible for this type of circulation. | Systemic |
Valve that guards the EXIT of the right ventricle | Pulmonary valve (pulmonary semilunar, right semilunar) |
Give the composition of the parietal pericardium | Outer layer fibrous, inner layer serous |
Upper smooth area of the right ventricle that guides blood to a great artery | Conus arteriosus |
Muscles lining auricles only (or name given to ridge-like structures lining auricles) | Pectinate mm |
Structure that transmits the right crus of the AV bundle across the right ventricular cavity | Septomarginal trabeculae |
Part of the conduction system known as the "pacemaker" | SA node |
Name given to the entire posterior surface of the heart | Base |
Smallest sized vessels, drain directly into the right atrium and other chambers | Venarum minimarum |
Most posteriorly located chamber of the heart | Left atrium |
Besides the inferior and superior vena cava, name two tributaries of the right atrium | Coronary sinus, venarum minimarum, anterior vv. |
The apex of the heart points | Anterior, inferior, left |
Upper smooth area of the left ventricle that guides blood to a great artery | Article vestibule |
When comparing the thickness of the right ventricle to the left, one might say the right ventricle is... | The right is 1/3 as thick as the left |
Ridge like mm located in ventricles | Trabeculae carnae |
Companion vessel of the anterior inter ventricular artery | Great cardiac vein |
Also known as the mitral valve | Bicuspid valve |
Physiologically how does blood enter the coronary arteries | Recoil of the aorta |
The AV node is located in the ...... Septum near the osmium of the ..... | Interatrial, coronary sinus |
Name the cusps/valves of the pulmonary/semilunar valve | Right, left, anterior |
Extends from superior to inferior vena cava, divides right atrium into two parts | Crista terminalis |
Specific name given to where the coronary arteries begin | Sinus of aortic valve |
Portion of the conduction system located in the wall of the right atrium near the superior vena cava | SA node |
Portion of the conduction system innervated by the left vagus nerve | AV node |
Name given to the right AV valve | Tricuspid valve |
Name given to the nipple like muscles of the ventricles | Papillary mm |
Vessel which accompanies the posterior interventricular vessel of the heart | Middle cardiac v |
Name of the cusps of the left AV valve | Anterior, posterior |
Name give to the string like structures that attach to the cusps of the AV valves, prevent eversion of the cusps into the atria | Chordae tendinae |
Right ventricle of the heart is responsible for this type of circulation | Pulmonary |
The sternal angle marks the | Approximate level of tracheal bifurcation, jxn of ascending and arch portions of the aorta, jxn of descending and arch portions of aorta, level of T4/5 disk |
Structurally define the following borders of the superior mediastinum
A. Upper B. lateral | A. Plane of the first rib
B. pleural sacs |
During their course the phrenic nn pass downward (ant, post) to the roots of the lungs and onto the surface of the ..... Before entering the diaphragm | Ant, pericardial sac |
The right pulmonary a. runs (ant, post) to the ........ Part of the aorta | Post, ascending |
Specific artery that supplies the upper surface of the respiratory diaphragm | Superior phrenic a. |
Using anatomical landmarks, define the lower order of the superior mediastinum | Horizontal line passing through the angle of the sternum, passing through the T4/5 disk |
Vein that drains into the upper 2,3,4 intercostal spaces | Highest intercostal |
Besides the right ascending lumbar v, a branch of the IVC, and the right posterior intercostal vv, name 4 tributaries of the azygos v. | R highest intercostal, hemiazygos, accessory hemiazygos, r bronchial |
The left pulmonary a runs (ant, post) to the ........ part of the aorta | Ant, descending |
As the left recurrent laryngeal nerve loops under the arch of the aorta, it lies immediately to the left of the | Ligamentum arteriosum |
From proximal to distal, the second branch of the aortic arch | L common carotid artery |
In which specific mediastinum are the following located (middle, superior, posterior)
A. Insertion of pulmonary vv into heart
B. L R brachiocephalic vv
C. L R bronchi
D. Esophagus
E. distal part of phrenic nn
F. Most of azygos v
G. Most of thymus | A. Middle
B. superior
C. Posterior
D. Posterior & superior
E. middle
F. Posterior
G. Superior |
H. Tracheal bifurcation
I. Hemiazygos v
J. Ascending aorta
K. Thoracic splanchnics
L. Inferior half of superior vena cava | H. Posterior
I. Posterior
J. Middle
K. Posterior
L. Middle |
Name two tributaries of the hemiazygos v ( not ascending lumbar or br from left renal v) | L subcostal v, caudal 3-4 l posterior intercostal v, some esophageal and mediastinal v, l bronchial vv |
The ligamentum arteriosum connects which two vessels | L pulmonary a, and aortic arch |
Tributary to the l brachiocephalic v whose right counterpart is not tributary to the r brachiocephalic v | L highest posterior intercostal |
During its course the pulmonary trunk passes first (ant, post, left, right) to/of the ascending aorta, then immediately (ant, post, left, right) to/of it | Anterior, left |
The azygos v runs superiorly then arches over the........ to empty into the......... | Root of right lung, superior vena cava |
Besides posterior intercostals, name two parietal branches of the descending thoracic aorta | Subcostal a, superior phrenic a, posterior intercostal a |
Where is the maculae located | Walls of utricle and saccula |
Triangular space at medial angle of eye where tears collect | Lacrimal lake |
Name the adductor mm of the eye | Superior, inferior, medial rectus |
The complete the flow of the aqueous humor in the eye: .........., posterior chamber, pupil, anterior chamber, ............, scleral venous sinus | Ciliary body, trabaculae |
Small reddish conical body of skin containing sebaceous and sweat glands, produces a whitish secretion | Lacrimal caruncula |
Chamber btwn the iris and the lens | Posterior |
Besides the lateral rectus m, which can abduct the eye | Superior and inferior oblique |
Minute small cavities at jxn of iris and cornea, drains aqueous humor from the anterior chamber | Trabeculae |
Name the abductors of the eye | Superior inferior oblique, lateral rectus |
Small openings into superior and inferior lacrimal canaliculi | Superior and inferior lacrimal puncta |
Named br of CN VII passing through the middle ear just medial to the malleus, the nerve, conducts taste from the anterior 2/3 of tongue and some autonomics to the salivary glands | Chorda tympani n |
Dorsal projection of the external ear, located anterior to concha and over the orifice of the external acoustic meatus | Tragus |
Chamber of cochlea into which round window opens | Scala tympani |
Fluid found in the membranous labyrinth | Endolymph |
Outer rim of the auricle | Helix |
The ......... (ossicle) fits into the ............ window | Stapes, oval |
The triangular cochlear duct is separated from the scala vestibule by the .........., and separated from the scala tympani by the .......... | Vestibular membrane, bisilar membrane |
Chamber of the heart which forms its right border | Right atrium |
Which pulmonary artery (right or left)
A. Is longest and largest
B. runs posterior to the ascending aorta | A. Right
B. right |
Name the 4 visceral br of the descending thoracic aorta | Pericardial, mediastinal, branchial, esophageal aa |
Name the receptors for static equilibrium | Maculae |
There are weak anastomoses between which named arteries on the surface of the heart | Anterior interventricular w/ posterior interventricular
Circumflex w/ right coronary |
Name 3 grooves seen on the external heart | Coronary sulcus, posterior interventricular sulcus anterior interventricular sulcus |
Name given to raised upper margin of fossa ovalis | Limbus of fossa ovalis |
Know how to draw a view of the aortic arch and label it | |