Which of the following terms means pertaining to the heart and blood vessels?

Question

BlackTom AI · Accepted Answer

Cardiovascular combines the roots cardio- (heart) and vascular (blood vessels), so it literally means relating to the heart and blood vessels.

1. Relevant knowledge points and concepts
- Medical terminology often uses Greek/Latin roots: cardio- = heart; vascular/vascul- = vessel; lymphatic = lymph system; respiratory = lungs/airways and gas exchange; nervous = brain, spinal cord, and nerves; integumentary = skin and its appendages.
- The phrase “pertaining to the heart and blood vessels” requires a term that references both the heart and the vascular system.

2. Step-by-step reasoning
Step 1: Identify the roots in each option.
- Lymphatic: root lymph- → lymph, lymph vessels, lymph nodes.
- Respiratory: root respir- → breathing, lungs, airways.
- Nervous: root neur-/nerv- → nerves, brain, spinal cord.
- Cardiovascular: cardio- (heart) + vascular (blood vessels).
- Integumentary: integument- → skin.
Step 2: Match the meaning of each term to “heart and blood vessels.”
- Lymphatic → lymph system, not primarily heart/blood vessels.
- Respiratory → gas-exchange organs, not heart/vessels.
- Nervous → neural control, not heart/vessels.
- Cardiovascular → explicitly heart and blood vessels.
- Integumentary → skin, not heart/vessels.

3. Intermediate steps (explicit matching)
- cardio- = heart
- vascular = blood vessels
- Combined: cardiovascular = pertaining to the heart and blood vessels.

4. Why the correct answer is correct
Cardiovascular directly names both components asked for: the heart (cardio-) and the blood vessels (vascular). In anatomy and physiology, the cardiovascular system is the organ system consisting of the heart and blood vessels that circulates blood throughout the body.

5. Why the other options are incorrect
- Lymphatic: relates to lymph, lymphatic vessels and nodes (immune and fluid balance), not directly the heart and blood vessels.
- Respiratory: concerns lungs and airways (breathing and gas exchange).
- Nervous: concerns neural tissue and signal transmission.
- Integumentary: concerns skin and protective coverings.
None of these refer to both heart and blood vessels.

6. Conclusion
Therefore, the correct term meaning “pertaining to the heart and blood vessels” is Cardiovascular, which matches the provided answer.

Which of the following terms means pertaining to the heart and blood vessels?单项选择题

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