HPHY 323 Midterm 1 Review | 100% Correct
Answers | Verified | Latest 2024 Version
What are the contents of the mediastinum? - ✔✔Great vessels, the heart, pericardium
The mediastinum contains all of the thoracic viscera and structures except? - ✔✔the lungs
The superior mediastinum extends from ____ to _________ - ✔✔extends from the superior thoracic
aperature to the transverse thoracic plane (sternal angle to the IV disc between T4 and T5)
What arteries are in the superior mediastinum? - ✔✔aortic arch and branches, brachiocephalic trunk
and veins, superior vena cava, left common carotid a. left subclavian a.
What nerves are in the superior mediastinum? - ✔✔vagus n. left recurrent laryngeal n. and left
pulmonary plexus, cardiac plexus of nerves and esophageal plexus, left phrenic n
What structures are in the superior mediastinum? - ✔✔trachea, esophagus, thymus, thoracic duct,
The inferior mediastinum extends from the ______ to the ___________ - ✔✔transverse thoracic plane
to the diaphragm
The anterior mediastinum is between the ______ and ________ - ✔✔pericardium and sternum
The posterior mediastinum is between _____ and the ________ - ✔✔pericardium and the verterbral
column
The posterior mediastinum contains what? (birds of the posterior mediastinum) - ✔✔azygos,
hemiazygos and accesory hemiazygos veins, thoracic duct, thoracic splanchnic nerves, thoracic
sympathetic trunks, vagus nerve, esophagus
, What does the middle mediastinum contain? - ✔✔Heart, pericardium, phrenic n, vagus n, roots of great
vessels: ascending aorta, pulmonary trunk, superior vena cava
The pericardium provides which of the following functions?
a. lubrication
b. diastolic coupling
c. limits size of the heart
d. all the above - ✔✔D. all the above
Both type of serous pericardium (parietal and visceral) are what type of connective tissue? -
✔✔squamous epithelial layers
Where does the base of the heart face? - ✔✔posteriorly toward T6-T9 mostly left atrium some of the
right
How does the apex of the heart face? - ✔✔Left 5th intercostal space in the mid clavicular line
what are the functions of the lymphatic system? - ✔✔Circulation-return fluid & nutrients
Immune-produces WBCs antibodies filters
Digestive-absorption/transportation of fats
What contributes to lymph flow? - ✔✔interstitial fluid pressure, lymphatic pump (pressures 50-100
mmHg), skeletal muscle pump, movement (exercise can increase 10- to 30-fold), arteriovenous pump,
external compression
what are the functions of lymph nodes? - ✔✔filter lymph-macrophages destroy microorganisms and
debris
immune system-lymphocytes are activated and mount an attack against antigens
what is the largest lymphatic organ? - ✔✔the spleen
Answers | Verified | Latest 2024 Version
What are the contents of the mediastinum? - ✔✔Great vessels, the heart, pericardium
The mediastinum contains all of the thoracic viscera and structures except? - ✔✔the lungs
The superior mediastinum extends from ____ to _________ - ✔✔extends from the superior thoracic
aperature to the transverse thoracic plane (sternal angle to the IV disc between T4 and T5)
What arteries are in the superior mediastinum? - ✔✔aortic arch and branches, brachiocephalic trunk
and veins, superior vena cava, left common carotid a. left subclavian a.
What nerves are in the superior mediastinum? - ✔✔vagus n. left recurrent laryngeal n. and left
pulmonary plexus, cardiac plexus of nerves and esophageal plexus, left phrenic n
What structures are in the superior mediastinum? - ✔✔trachea, esophagus, thymus, thoracic duct,
The inferior mediastinum extends from the ______ to the ___________ - ✔✔transverse thoracic plane
to the diaphragm
The anterior mediastinum is between the ______ and ________ - ✔✔pericardium and sternum
The posterior mediastinum is between _____ and the ________ - ✔✔pericardium and the verterbral
column
The posterior mediastinum contains what? (birds of the posterior mediastinum) - ✔✔azygos,
hemiazygos and accesory hemiazygos veins, thoracic duct, thoracic splanchnic nerves, thoracic
sympathetic trunks, vagus nerve, esophagus
, What does the middle mediastinum contain? - ✔✔Heart, pericardium, phrenic n, vagus n, roots of great
vessels: ascending aorta, pulmonary trunk, superior vena cava
The pericardium provides which of the following functions?
a. lubrication
b. diastolic coupling
c. limits size of the heart
d. all the above - ✔✔D. all the above
Both type of serous pericardium (parietal and visceral) are what type of connective tissue? -
✔✔squamous epithelial layers
Where does the base of the heart face? - ✔✔posteriorly toward T6-T9 mostly left atrium some of the
right
How does the apex of the heart face? - ✔✔Left 5th intercostal space in the mid clavicular line
what are the functions of the lymphatic system? - ✔✔Circulation-return fluid & nutrients
Immune-produces WBCs antibodies filters
Digestive-absorption/transportation of fats
What contributes to lymph flow? - ✔✔interstitial fluid pressure, lymphatic pump (pressures 50-100
mmHg), skeletal muscle pump, movement (exercise can increase 10- to 30-fold), arteriovenous pump,
external compression
what are the functions of lymph nodes? - ✔✔filter lymph-macrophages destroy microorganisms and
debris
immune system-lymphocytes are activated and mount an attack against antigens
what is the largest lymphatic organ? - ✔✔the spleen
