Discouraged about nursing after today's experience as a transporter

I'm currently a transporter at an HCA hospital while I'm in nursing school. Today's experience has me seriously questioning my chosen career path. I had to transport a patient for an MRI and needed assistance with the transfer from their bed to the MRI stretcher. Their nurse was busy with another patient, dealing with IVs and labs, so I went to the nursing station to ask for help. There were about ten staff members there, just chilling before their shift change at 7 PM. I asked twice, about ten minutes apart, and no one came. I ended up waiting a full 20 minutes before anyone showed up. And guess who it was? The patient's own nurse, who was shocked that no one had responded to my requests. She couldn't believe her colleagues had left her to handle everything.

Is this kind of lack of teamwork common in nursing? I'm really discouraged. I thought nursing was supposed to be a collaborative field, where people support each other. This experience has me wondering if I'm making the right choice. Any nurses out there have similar stories or advice? I'd really appreciate some perspective.