Insurance company can't issue policy in good faith for any person that's why it requires underwriting process where the insurer get completely checked and scrutinize under the underwriting process. The under writing process cover various medical tests. It will be will be taken by the panel doctors or hospitals appointed by the insurance company. The medical exam wills covers numerous aspects, which determine which category you will fit for.
The long-term care companies completely depend on the medical history and present medical condition of the employee. Incase of insurer is of old age and cant move from house than the insurance company take a personal interview. The interview covers present lifestyles, present work function and hobby, which can reveal the fact of present physical condition of the insured person. Finally, the insurance company trying to know about the short-term memory problem from the interview to predict that the person is really suffering from the cognitive disabilities or not, the company also try to get personal survey of the insured person.