Q: Does "reaction" have the same meaning in the following two sentences?

When I last tried to eat strawberries I had a terrible allergic reaction.

John feared his mother's reaction when she saw the broken lamp.

A: different meanings

Q: Does "tea" have the same meaning in the following two sentences?

Would you like some tea?

Would you be a dear and get me a cup of tea, please?

A: the same meaning

Q: Does "impact" have the same meaning in the following two sentences?

The book had an important impact on my thinking.

His friend's opinion had an impact on his decision.

A:
the same meaning