The Mammalian Heart

Quiz
•
Biology
•
University
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which chamber of the mammalian heart has the thickest walls?
Left atrium
Left ventricle
Right atrium
Right ventricle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is the tricuspid valve located?
At the base of the aorta
At the base of the pulmonary artery
Between the left atrium and the left ventricle
Between the right atrium and the right ventricle
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the semilunar valves?
Prevent backflow of blood into the atria when the heart contracts
Prevent backflow of blood into the atria when the heart relaxes
Prevent backflow of blood into the ventricles when the heart contracts
Prevent backflow of blood into the ventricles when the heart relaxes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is the sino-atrial node located?
The wall of the left atrium
The wall of the left ventricle
The wall of the right atrium
The wall of the right ventricle
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the chordae tendinae?
Conduct electrical impulses across the atria
Conduct electrical impulses down the ventricular septum
Prevent atrioventricular valves being pushed inside out
Prevent backflow of blood from the arteries leaving the heart
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Blood is ejected from the heart during which phase of the cardiac cycle?
Atrial diastole
Atrial systole
Ventricular diastole
Ventricular systole
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The first heart sound is due to what?
Closing of the atrioventricular valves
Closing of the semilunar valves
Contraction of the atria
Depolarisation of the sino-atrial node
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