Question

Scientists have (1)______ a gel that helps brains recover from traumatic injuries. It has the potential to (2)______ head injuries sustained in combat, car accidents, falls, or gunshot wounds. (3)_______ by Dr. Ning Zhang at Clemson University in South Carolina, the gel is (4)_______ in liquid form at the site of injury and stimulates the growth of stem cells there.

A 1. manufactured, 2. heal, 3. Initiated, 4. implanted
B 1. developed, 2. treat, 3. Developed, 4. injected
C 1. produced, 2. medicate, 3. Established, 4. interjected
D 1. constructed, 2. assist, 3. Devised, 4. inserted
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RBI Grade B 2026 Phase 1 Memory Based Paper
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