Final answer:
Levothyroxine can have various effects, including monitoring cardiac output, preventing constipation, and maintaining skin integrity.
Step-by-step explanation:
The possible effects of levothyroxine include:
- Monitor cardiac output: Levothyroxine can affect heart function and may cause changes in cardiac output.
- Prevent constipation: Levothyroxine can help regulate bowel movements and prevent constipation.
- Maintain skin integrity: Levothyroxine plays a role in maintaining healthy skin.
Therefore, the correct answer is None of the above as all the options mentioned in the question are incorrect.