Researchers measure cardiovascular fitness with VO2 max, which ...

[cagreen833]

Researchers measure cardiovascular fitness with VO2 max, which will:
 a. remain the same when exercising at varying altitudes.
 b. increase the resting heart rate to pump blood more rapidly.
 c. decrease the amount of oxygen needed for exercising.
 d. indicate the level of improvement in muscle strength.
 e. increase as fitness improves and blood is pumped more efficiently.

Question 2

Why are people told not to take certain medications with grapefruit juice?

[Anton]

Answer to Question 1

e

Answer to Question 2

Grapefruit and grapefruit juice contain a compound that can interfere with the metabolism of many drugs, allowing the drugs to build up to undesirable levels in the blood. Most drug labels state, Take on an empty stomach, which helps reduce the risk of this type of interaction.

[cagreen833]

Thanks for the timely response, appreciate it

[pangili4]

Excellent