<prompt> Conscious sedation is:CNS depression with unconsciousnessSedation with inability to respond to commandSedation with ability to respond to commandAny of the above  <response>: Sedation with ability to respond to command. Dexmedetomidine is nowerdays is considered best drug for concious sedation. Dexmedetomidine Highly selective alpha - 2 adrenoreceptor agonist Used mainly as IV adjunct during induction and or maintenance of general anesthetics Minimal respiratory and cardiovascular depression Good sedation , good analgesic, sympatholytic effects Selectivity for alpha1: alpha 2 receptors is 1: 1640 Uses of IV anesthetic agents:- 1. Induction of anesthetics 2. Maintenance of anesthetics 3. Sedation 