A man resisted arrest and spat at a police officer while at University Hospital Wishaw.
William Paton pleaded guilty to three charges relating to the incident at the hospital on May 17.
Paton, 44, admitted adopting an aggressive manner towards police at the hospital and in an ambulance en route to the facility.
He also repeatedly shouted, swore and made threats of violence.
Paton, of Woodside Tower, Motherwell, resisted arrest by struggling with police before spitting on the body of a male officer.
The accused also pleaded guilty to assaulting a female paramedic on May 10 in Flemington Street, Motherwell.
A charge the accused behaved in a threatening and abusive manner by aggressively shouting and swearing was also accepted by Paton.
The case was continued until June 28 and a range of reports were called for.
A Restriction of Liberty Order assessment will also be carried out on Paton.
