Question

1. the medical term endo/crin/olog/ist actually means: specialist in the science and study of cancer specialist in the science and study of glands of internal secretion specialist in the science of tumors specialist in the study of the digestive system 28) the diagnostic term for a chronic disease caused by underactivity of the pancreatic beta cells in the islets of langerhans is: diabetes mellitus diabetes insipidus graves disease addisons disease

Explanation:

For question 27, "endo -" means within, "crin -" refers to secretion, and "-ologist" is a specialist. So an endocrinologist studies internal secretion glands. For question 28, diabetes mellitus is caused by underactivity of pancreatic beta - cells in the islets of Langerhans which affects insulin production.

Answer:

1. specialist in the science and study of glands of internal secretion
2. Diabetes mellitus