Final answer:
In medical tests regarding pupils, size and shape are the key aspects to look at, which are related to intraocular pressure, a significant health indicator.
Step-by-step explanation:
When assessing pupils as part of medical tests, it is important to look at the size and shape of the pupils. This relates to the concept of pressure in the body, particularly intraocular pressure, which is crucial for the determination of conditions such as glaucoma. Blood pressure is another key indicator of health talked about in medical examinations, but it does not directly pertain to assessing pupils.