Which prefix indicates "above" or "excessive"?

The prefix that indicates "above" or "excessive" is hyper-. In medical and scientific terminology, "hyper-" is often used to denote conditions or levels that are greater than normal. For example, hyperglycemia refers to an excess of glucose in the bloodstream, while hypertension indicates abnormally high blood pressure.

The other prefixes provided have different meanings:

• Hypo- signifies "below" or "less than normal," as seen in hypoglycemia, which refers to lower-than-normal blood sugar levels.

• Inter- means "between" or "among," as in intercellular, which refers to the space between cells.

• Exo- indicates "outside" or "external," as seen in exoskeleton, referring to a hard outer structure found outside the body.

Thus, hyper- is the correct prefix to convey the idea of being above or excessive.