When an apparently healthy person is diagnosed as unhealthy, the reason could be that:

Q.

When an apparently healthy person is diagnosed as unhealthy by a psychiatrist, the reason could be that:

Q. A patient complains of constant thirst, excessive passing of urine and low blood pressure. When the doctor checked the patients blood glucose and blood insulin level, the level was normal or slightly low. The doctor diagnosed the condition as diabetes insipidus. But he decided to measure one more hormone in patients blood. Which hormone does the doctor intend to measure?

Q. Change the negative sentence into an affirmative, without changing its meaning:
The patient was not strong enough to open his eyes.

Q. It was diagnosed that the body of a patient has lost its power of fighting any infection. Name the disease he is suffering from. What type of microbe is responsible for this disease and how does it spread from one person to the other.