After leaving the right ventricle, a blood cell goes into the _____.

Question

BlackTom AI · Accepted Answer

Blood leaving the right ventricle flows into the pulmonary trunk.

1. Relevant knowledge points and concepts
- The heart has four chambers: right atrium, right ventricle, left atrium, left ventricle.
- Two separate circulations: pulmonary (to/from lungs) and systemic (to/from body).
- Valves direct flow: the tricuspid valve sits between right atrium and right ventricle; the pulmonary (semilunar) valve sits at the outflow of the right ventricle into the pulmonary trunk; the aortic (semilunar) valve is at the outflow of the left ventricle into the ascending aorta.
- The pulmonary trunk is the large vessel that immediately receives deoxygenated blood from the right ventricle and branches into the pulmonary arteries leading to the lungs.

2. Step-by-step reasoning process
- Deoxygenated blood returns from the body to the right atrium via the superior and inferior venae cavae.
- It flows through the tricuspid valve into the right ventricle.
- When the right ventricle contracts, blood is pumped through the pulmonary (semilunar) valve.
- Immediately beyond that valve is the pulmonary trunk, so the blood enters the pulmonary trunk next.
- The pulmonary trunk then divides into the left and right pulmonary arteries, which carry blood to the lungs for oxygenation.

3. Intermediate steps (sequencing detail)
- Body → superior/inferior vena cava → right atrium → tricuspid valve → right ventricle → pulmonary valve → pulmonary trunk → pulmonary arteries → lungs → pulmonary veins → left atrium → left ventricle → aorta.

4. Why the correct answer is correct
- The pulmonary trunk is anatomically and functionally the vessel that directly receives blood ejected from the right ventricle. It is the first major vessel of pulmonary circulation and is separated from the right ventricle by the pulmonary valve.

5. Why the other options are incorrect
- Ascending aorta: receives blood from the left ventricle, not the right ventricle.
- Right atrium: is upstream of the right ventricle (where blood enters the heart), not downstream.
- Pulmonary veins: return oxygenated blood from the lungs to the left atrium; they do not receive blood directly from the right ventricle.

6. Conclusion
- Therefore, the blood cell leaving the right ventricle goes into the Pulmonary trunk, which confirms the provided correct answer: Pulmonary trunk.

After leaving the right ventricle, a blood cell goes into the _____.Single choice

Similar Questions

Question at position 6 Which carries oxygenated blood from the lungs to the heart?Pulmonary arteriesPulmonary trunkInferior vena cavaSuperior vena cavaPulmonary veins

To where does pulmonary circulation carry blood?

Which type of circulation does the right side of the heart provide?

Which type of circulation does the right side of the heart provide?

To where does pulmonary circulation carry blood?

In comparison to the systemic circuit, the pulmonary circuit _____

Which of the following blood vessels carries oxygen-rich blood from the lungs back to the heart?

Question at position 22 In the pulmonary circut, pulmonary arteries carry blood that is ___________ in oxygen to the lungs for gas exchange.SaturatedLowHighNeutral

More Practical Tools for Students Powered by AI Study Helper

Homework AI Solver

Stylized AI Paper Writer

Plagiarism Checker Assistant

Citation AI Academic Writing Tool

In-Class Translation Assistant

AI Note Generator

AI Quiz Answers

Past Exam Questions from University Test Bank

Smart Practice Assistant

Adaptive Practice

Making Your Study Simpler