6. Which category of performance enhancing drugs would an Olympic weightlifter take to increase the weight they can lift?
- Peptide hormones
- Beta blockers
- Stimulants
- Narcotic analgesics
7. alcohol is a recreational drug. Which one of the following is an effect of alcohol on the cardiovascular system?
- Alcohol decreases lung volume
- Alcohol increases blood pressure
- Alcohol increases oxygen debt
- Alcohol lowers blood pressure