Studied by 1 personWhat structure helps to prevent food from entering the sinus cavity during swallowing?
The uvula and/or epiglottis
The SA node is located in the
Right atrium
Blood leaving the right ventricle enters the
Pulmonary artery
The left lung is composed of how many lobes?
Two
The trachea divides into two branches called the
Bronchi
The wall separating the left side of the heart from the right side is the
the septum
Identify the waste gas removed from the blood during expiration.
Carbon dioxide
The cartilaginous rings which make up the trachea are
C-shaped
Which structures prevent heart valves from being forced backward into the wrong chamber?
Pulmonary Valve
Which structure holds the chordae tendineae to the interior walls of the heart?
Papillary muscles
The only type of vein in the body which carries oxygenated blood is
pulmonary veins
When blood leaves the right atrium, it enters the
Right ventricle
How many chambers are in the heart?
Four
The only type of artery in the body which carried deoxygenated blood is
A pulmonary artery
The pressure exerted by the left ventricle must push blood where?
To the body
Which chamber has the thickest muscular wall?
The left ventricle
The valve between the left atrium and left ventricle is known as the:
Bicuspid valve
The grooves in which the coronary arteries lie are known as which of the following?
Sulci
The right ventricle must exert enough pressure to push the blood where?
To the lungs and back to the Left Atrium
Heart attacks can result from a blockage of
A Coronary Artery
Which situation would most likely involve active expiration?
Running a marathon
The lung's lobed structure:
Can be helpful when treating patients with lung cancer
Allows removal of part of a lung
Has a different number of lobes on each side
The right lung is composed of how many lobes?
Three
Which structure helps to prevent food from entering the trachea during swallowing?
The epiglottis
Expiration is…
Usually, passive
Note
Flashcard