drug therapies L9

• What are benzodiazepines (BZs) used for?

  They are anti-anxiety drugs.
• How do benzodiazepines reduce stress?

  By slowing down central nervous system activity.
• What neurotransmitter's activity do benzodiazepines enhance?

  GABA
• What effect does GABA have on neural activity?

  It quietens neural activity.
• How do benzodiazepines affect chloride ions in neurons?

  They increase the flow into the post-synaptic neuron.
• What is the effect of benzodiazepines on serotonin?

  They reduce its activity.
• What do beta blockers (BBs) target?

  The sympathetic nervous system.
• What do beta blockers bind to in the body?

  Beta-receptors in the heart and other organs.
• What do beta blockers reduce the effects of?

  Adrenaline and noradrenaline.
• What physiological functions do beta blockers help maintain at normal levels?

  Heart rate, blood pressure, breathing rate, and sweating.
• How do beta blockers affect a person's feelings?

  They make the person feel calmer and less anxious.
• What is a notable use of beta blockers in performance situations?

  To reduce 'stage fright' in performers.
• Why are beta blockers banned by the International Olympics Committee?

  They can enhance performance unfairly.
• What are two examples of benzodiazepines?

  Librium and Diazepam
• What is the primary function of beta blockers?

  To reduce the effects of adrenaline.