WorksheetsHeart Dissection
Total questions: 25
Worksheet time: 25mins
Identify the structure labeled #5
interventricular sulcus
apex
left ventricle
septum
Identify the chamber labeled #1
right atrium
left atrium
left ventricle
right ventricle
The valve labeled #7 is
bicuspid
tricuspid
aortic semilunar
pulmonary semilunar
The structure labeled #4 is
septum
apex
left ventricle
papillary muscle
The muscle layer of the heart is called the:
endocardium
myocardium
pericardium
epicardium
The thin innermost layer of the heart
Myocardium
Epicardium
Endocardium
Septum
Identify the Brachiocephalic Artery by selecting the rectangle(s) around the matching number(s).
The thin layer of the heart that is made of connective tissue and fat
Endocardium
Epicardium
Myocardium
Septum
What describes the Endocardium?
It is the outermost layer of the heart.
It is a thick layer of muscle.
It is a thin layer lining the heart chambers.
It is responsible for the electrical conduction in the heart.
During a biology class, Laura was asked to identify the layer of the heart wall synonymous with the visceral layer of the pericardium. What is it known as?
myocardium
endocardium
epicardium
parietal layer of the serous pericardium
The structure labeled #6 is
left auricle
right auricle
left ventricle
adipose tissue
If you were to insert your finger into the superior vena cava, you would be feeling inside which chamber?
right atrium
left atrium
left ventricle
right ventricle
If you inserted a probe into the aorta, which chamber of the heart would it lead to?
left ventricle
right ventricle
left atrium
right atrium
If you insert your finger into the pulmonary vein, you will be feeling inside which chamber?
right atrium
left atrium
left ventricle
right ventricle
The chordae tendineae are attached to the (a) muscles.
If you are looking at the dorsal side of the heart you are looking at the (a) side of the heart.
The pulmonary artery connects to which heart chamber?
right ventricle
left ventricle
right atrium
left atrium
What is the primary function of the heart valves during a dissection?
To pump blood
To prevent backflow of blood
To oxygenate blood
To filter blood
During a heart dissection, which structure is responsible for separating the left and right sides of the heart?
Septum
Aorta
Vena Cava
Chordae Tendineae
In a heart dissection, which chamber is typically the thickest and why?
Right Atrium, because it receives deoxygenated blood
Left Atrium, because it pumps blood to the lungs
Right Ventricle, because it pumps blood to the lungs
Left Ventricle, because it pumps blood to the entire body
Which tool is most commonly used to open the heart during a dissection?
Scalpel
Forceps
Scissors
Probe
What is the significance of the coronary arteries observed during a heart dissection?
They supply blood to the heart muscle itself
They carry deoxygenated blood to the lungs
They are responsible for the heart's electrical activity
They connect the heart to the digestive system
During a heart dissection, what is the role of the chordae tendineae?
To open the heart valves
To anchor the heart valves to the heart muscle
To conduct electrical impulses
To separate the heart chambers
In a heart dissection, which part of the heart is directly connected to the pulmonary artery?
Left Atrium
Right Atrium
Left Ventricle
Right Ventricle
What observation can be made about the pericardium during a heart dissection?
It is a thick muscular layer
It is a thin protective sac around the heart
It is the innermost layer of the heart
It is responsible for pumping blood
