If due to some injury, the chordae tendinae of the tricuspid valve of the human heart is partially non-functional. What will be the immediate effect?
Correct answer: D. The flow of blood into the pulmonary artery will be reduced
- A. The flow of blood into the aorta will be slowed down
- B. The 'pacemaker' will stop working
- C. The blood will tend to flow back into the left atrium
- D. The flow of blood into the pulmonary artery will be reduced
Explanation
The tricuspid valve is located on the right side of the heart and prevents backflow of blood from the right ventricle into the right atrium. If the chordae tendinae are partially non-functional, the tricuspid valve may not close properly, leading to regurgitation of blood from the right ventricle into the right atrium. This can result in a reduction of blood flow into the pulmonary artery, which carries blood from the right ventricle to the lungs.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Circulation
The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.
Practise Circulation
695 free Circulation MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Circulation questions
Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?
Which one of the following statements is correct regarding blood pressure?
Which one of the following plasma proteins is involved in the coagulation of blood?
Which two of the following changes (i-iv) usually tend to occur in the plain dwellers when they move to high altitudes (3,500 m or more)? (i) Increase in red blood cell size (ii) Increase in red blood cell production (iii) Increased breathing rate (iv) Increase in thrombocyte count Changes occurring are?
Given below are four statements (i-iv) regarding human blood circulatory system. (i) Arteries are thick-walled and have narrow lumen as compared to veins. (ii) Angina is acute chest pain when the blood circulation to the brain is reduced. (iii) Persons with blood group AB can donate blood to any person with any blood group under ABO system. (iv) Calcium ions play a very important role in blood clotting. Which two of the above statements is/are correct?
In a standard ECG, which one of the following alphabets is the correct representation of the respective activity of the human heart?