CT scan. If you have any other symptoms, apart from enlarged nodes in your neck, armpit or groin, your doctor may arrange for you to have a CT scan. This is a scan that takes a series of X-rays. The pictures feed into a computer and form a detailed picture of the inside of your body.any people go to their GP with unexplained lumps in the neck, armpit or groin but most of them will not have lymphoma. Your doctor will ask you about your health and examine you. They may take a blood test to check your general health.
Best Answer: The creatures traditionally regarded as warm-blooded have a larger number of mitochondria per cell which enables them to generate heat by increasing the rate at which they burn fats and sugars.
Endotherms are animals that primarily produces its own heat. Ectotherms are animals that primarily gains heat through the environment. Homeotherms are animals that have a constant body temperature. Poikilotherms are animals whose body temperature adjusts depending on the environment.