Homepharmac Ultra-short acting barbiturates are used primarily as.. Preanesthetic agents Ultra-short acting barbiturates are used primarily as; a- Sedatives b- Hypnotics c- Antispasmodic agents d- Anti-parkinsonian agent e- Preanesthetic agents*** Facebook Twitter Share:Ultra-short acting barbiturates are used primarily as.. Preanesthetic agents Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email