lung anatomy
This structure divides the left lung into two lobes.
Oblique fissure
What structure connects the larynx to the bronchi?
trachea
How many pairs of ribs are there?
12
Where is the mediastinum located
Between the lungs
What are the two upper chambers of the heart called?
Atria
The right lung has how many lobes and what are they?
3- superior, inferior, and middle
What cartilage structures keep the trachea open?
C shaped cartilage rings
What bone forms the anterior midline of the thorax?
Sternum
What major organ is found in the mediastinum
Heart
What are the two valves called that prevent back flow of blood from ventricles to atria?
Bicuspid and tricuspid valves
This part of the lung surface is concave and makes room for a specific inferior organ that helps breathing.
Diaphragmatic surface
Where does gas exchange take place in the bronchial tree?
Alveolus
What are the ribs 8-10 called?
False ribs
What is the tube called that carries food through the mediastinum
Esophagus
What node is known as being the hearts natural pacemaker and initiating the heartbeat?
Sinoatrial node
What segment does the segmental bronchus supply?
Bronchopulmonary segment
What is the order of breathing through the bronchial tree?
pharlyx, larynx, trachea, main bronchus, lobar bronchi, segmental bronchi, bronchioles, respiratory bronchioles, and alveolus
What types of ribs are ribs 11-12?
What large vein returns blood from the upper body to the heart
Superior vena cava
What are the two phases of the cardiac cycle?
Systole and diastole
If a tumor is compressing the hilum of the right lung what structures could be affected? (Name two)
lobar bronchus, pulmonary artery, pulmonary veins
What artery/vein brings deoxygenated blood to the alveoli?
pulmonary artery
what are ribs 1-7 connected to the sternum with?
Costal cartilage
Trace the pathway of blood through the heart starting from the vena cavas including the arteries of the arch of the aorta
Inferior vena cava superior vena cava coronary sinus, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary arteries, lungs, pulmonary veins, left atrium, bicuspid valve, left ventricle, aortic valve, aorta, arch of the aorta, braciocephalic trunk, left common carotid artery, left subclavian artery
What structure allows blood to bypass the lungs and what does it become after birth?
Ductus arteriosus in fetal development and ligament ateriosum after birth