Final answer:
A pregnant woman can exercise at altitudes more than 6,000 ft without problems, but it is important to consult with a healthcare provider.
Step-by-step explanation:
The answer to the question is a) True. A pregnant woman can exercise at altitudes more than 6,000 ft without problems. However, it is important for pregnant women to consult with their healthcare provider before engaging in exercise at high altitudes, as it may pose some risks due to reduced oxygen levels. Generally, pregnant women can engage in light to moderate exercise at higher altitudes as long as they listen to their bodies, stay hydrated, and take necessary precautions.