The document discusses viva voce examinations, which involve an oral exam with questions from examiners and answers from students. It notes that viva voce exams are used in nursing to supplement practical exams. The purposes of viva voce exams are listed as assessing communication skills, supplementing other evaluations, and identifying students' presence of mind and spontaneity. The document outlines principles for conducting viva voce exams, such as asking questions on different topics and keeping the exam to 30 minutes. Both advantages, like flexibility, and disadvantages, like lack of standardization, of viva voce exams are presented.