What are the ridges inside the ventricles called?

AV Valves and Cardiac Function

Interactive Video
•
Biology, Science, Other
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Papillary muscles
Trabeculae carneae
Chordae tendineae
AV valves
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What connects the trabeculae carneae to the AV valves?
Atrial muscles
Ventricular walls
Chordae tendineae
Papillary muscles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of chordae tendineae?
To open the AV valves
To connect papillary muscles to the ventricular walls
To contract the ventricles
To prevent AV valves from inverting
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of papillary muscles during ventricular relaxation?
They relax and pull on chordae tendineae
They contract to close AV valves
They relax and do not pull on chordae tendineae
They contract to open AV valves
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the chordae tendineae when ventricles are relaxed?
They expand
They are tightened
They are loose
They contract
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important for AV valves to remain closed during ventricular contraction?
To allow blood to flow into the atria
To prevent blood from flowing back into the atria
To increase blood pressure in the atria
To decrease blood pressure in the ventricles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What would happen if AV valves opened during ventricular contraction?
Blood would flow into the ventricles
Ventricles would expand
Blood pressure would decrease
Blood would flow back into the atria
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