The adjective "pacientes" is plural and can be either masculine or feminine in gender. Therefore, we need to select nouns that are both plural and either masculine or feminine.
Looking at the options provided:
- los hombres (masculine plural) - agrees
- la estudiante (feminine singular) - does not agree
- el profesor (masculine singular) - does not agree
- mis hermanas (feminine plural) - agrees
- los gatos (masculine plural) - agrees
- mi tío (masculine singular) - does not agree
Therefore, the correct answers that agree with "pacientes" are:
- los hombres
- mis hermanas
- los gatos