ix DAFTAR ISI HALAMAN JUDUL........................................................................................ i SURAT PERNYATAAN BEBAS PLAGIARISME....................................... ii HALAMAN PERSETUJUAN......................................................................... iii HALAMAN PENGESAHAN.......................................................................... iv HALAMAN PERSEMBAHAN ...................................................................... v MOTTO ......................................................................................................... vi KATA PENGANTAR ..................................................................................... vii DAFTAR ISI .................................................................................................... ix DAFTAR LAMPIRAN .................................................................................... xi BAB I PENDAHULUAN ........................................................................... 1 A. Latar Belakang.......................................................................... 1 B. Tujuan Penulis .......................................................................... 2 C. Manfaat Penulisan .................................................................... 3 BAB II KONSEP DASAR ........................................................................... 4 A. Konsep Lansia .......................................................................... 4 1. Pengertian .......................................................................... 4 2. Batasan Umur Lanjut Usia ................................................ 5 3. Teori-teori Tenang Lansia ................................................. 6 4. Perubahan pada lansia ....................................................... 9 B. Konsep Dasar Penyakit............................................................. 12 a. Pengertian .......................................................................... 12 b. Etiologi .............................................................................. 13 c. Patofisiologi....................................................................... 15 d. Manifestasi klinis .............................................................. 16 e. Pemeriksaan diagnostik ..................................................... 18 C. Konsekuensi Fungsional ........................................................... 19 D. Faktor Resiko............................................................................ 19 E. Proses Keperawatan Gerontik .................................................. 21 1. Pengkajian ......................................................................... 21