AnaLab PQ: 1st Shift Flashcards
TRUE OR FALSE: The first intercostal nerve is joined to the brachial plexus by the intercostobrachial nerve
False
The coronary sinus through which the heart wall blood drains is the continuation of?
Great cardiac vein
This valve lies behind the the left half of sternum opposite the 4th costal cartilage.
Mitral
Ribs (1)_____ are called true ribs because they (2) _____
- 1-7
- articulate directly with the sternum via individual costal cartilages
What is the function of the coronary arteries?
provide blood supply to the heart tissue
It’s origin is the posterior aortic sinus
Left coronary artery
The trabeculae carnae are located in the ventricles compared to the musculi pectinati which are concentrated in the?
Atria
TRUE OR FALSE: Levatores costarum depresses the ribs
False
The Apex of the heart is formed by which ventricle?
left ventricle
TRUE OR FALSE: The walls of the left ventricle are about three times thicker than those of the right ventricle.
True
TRUE OR FALSE: False ribs consist of ribs 1-7.
False
TRUE OR FALSE: Each bronchopulmonary segment has its own lymphatic vessels and autonomic nerve supply.
True
List the structures through which electrical impulses pass, from initiation to culmination.
Sinoatrial node, atrioventricular node, bundle of His, bundle branches, Purkinje fibers
TRUE OR FALSE: The fibers of the external intercostals are directed downward and forward from the inferior border of the rib above to the superior border of the rib below.
True
TRUE OR FALSE: The posterior intercostals arteries of the first six spaces are branches of the internal thoracic artery.
False
It is the anterior intercostals.
The anterior intercostal veins drain to the?
Internal thoracic vein
TRUE OR FALSE: The typical rib is a flat bone that articulates with a facet on the vertebral body of the same level only. Likewise, it also articulates with the transverse process of the vertebral on the same level through the presence of the tubercle found at the junction of the rib neck and shaft
A. Both statements are true
B. Both statements are false
C. Only the 1st statement is true
D. Only the 2nd statement is true
D. Only the 2nd statement is true
What is the vertebral level of the xiphisternal joint
T9
Mechanism of breathing wherein there is an increase in the anteroposterior diameter of the trunk after inhalation
Pump handle mechanism
Which bone marking distinguishes the thoracic vertebrae from the other types of vertebrae?
Costal facets
TRUE OR FALSE: The true ribs are those with direct connections anteriorly with the manubrium and body of the sternum through some of these structures’
costal cartilages. True ribs include those from the 1st to the 8th ribs.
A. Both statements are true
B. Both statements are false
C. Only the 1st statement is true
D. Only the 2nd statement is true
C. Only the 1st statement is true
TRUE OR FALSE: The true ribs articulate directly with the sternum via individual costal cartilages, whereas the false ribs attach to the sternum via shared cartilage.
A. Both statements are true
B. Both statements are false
C. Only the 1st statement is true
D. Only the 2nd statement is true
A. Both statements are true
Pulmonary ventilation, or breathing, is induced by?
Changes in the volume of the lungs and the air pressure within them
TRUE OR FALSE: The diaphragmatic pleura is supplied around the periphery by the phrenic nerve.
False
TRUE OR FALSE: The hilum is a depression found on the costal surface of the lung in which bronchi, vessels and nerves enter and leave the lung.
False