| 100% | MRIS | 4 | Medical tests that are tough for claustrophobics: Abbr. |
| 73% | MRI | 3 | Medical test that might be rough for claustrophobics: Abbr. |
| 56% | MRI | 3 | Hospital test that's tough for claustrophobics |
| 51% | MRISCANS | 8 | Hosp. tests that may be challenging for the claustrophobic |
| 44% | EKG | 3 | Medical test that checks the heart's electrical activity: Abbr. |
| 44% | EKGS | 4 | Medical tests that record heart activity: Abbr. |
| 44% | EEG | 3 | Medical test that measures brain waves: Abbr. |
| 42% | EKG | 3 | Test that might be ordered by a cardiologist: Abbr. |
| 42% | EKG | 3 | Test that may be administered while exercising, for short |
| 42% | APEXAM | 6 | Test that might be worth college credit, for short |
| 42% | LAB | 3 | Place where medical tests are done, for short |
| 41% | TLC | 3 | Diet that is recommended for cholesterol management: Abbr. |
| 41% | GPAS | 4 | Numbers that are high for valedictorians: Abbr. |
| 41% | IQS | 3 | Numbers that are high for geniuses: Abbr. |
| 41% | HDL | 3 | Cholesterol that is good for you: Abbr. |
| 41% | ECG | 3 | Test that can be performed by an Apple Watch, for short |
| 40% | GRE | 3 | Test that students have to take for getting into graduate schools: Abbr. |
| 39% | MIT | 3 | Science-focused school that was the setting for "Good Will Hunting": Abbr. |
| 39% | ERA | 3 | Stat that was 1.69 for pitcher Nolan Ryan in 1981: Abbr. |
| 39% | GIF | 3 | Animated Internet file suffix that is also an anagram for 27d: Abbr. |
| 39% | ERA | 3 | Pitching stat that was 4.14 for all of MLB in 2018: Abbr. |
| 39% | LVAD | 4 | Heart pump that is used in "Grey's Anatomy" for Denny Duquette: Abbr. |
| 38% | PETSCANS | 8 | Medical-imaging tests that are, aptly, sometimes used on cats and dogs |
| 38% | PASIV | 5 | ___ Device, gadget from "Inception" that is used to enable dreams for the subject: Abbr. |
| 38% | ESP | 3 | Mysterious power that can be tested with Zener cards: Abbr. |
| 38% | LAB | 3 | Where medical samples might be sent for testing |
| 37% | ETA | 3 | Information that will tell you when a flight is due to land, for example: Abbr |
| 37% | GMT | 3 | Time zone that is used as a central reference point for all the others: Abbr. |
| 37% | HMO | 3 | Medical insurance group that provides health services for a fixed annual fee: Abbr. |
| 37% | FIFA | 4 | Organization that is responsible for major international soccer tournaments around the world: Abbr. |