Innovator drugs are also called

An OT practitioner is evaluating the ROM of a client with an acute full thickness burn to the dorsum of the hand. The therapist is concerned about the integrity of the extensor tendons and should take which of the following actions?

A. Measure passive composite finger flexion. B. Measure active composite finger flexion. C. Measure metacarpophalangeal (MP) flexion with the interphalangeal joints in extension. D. Refrain from performing all hand joint measurements until the burn has healed.

Carbon monoxide (CO) causes severe tissue hypoxia because it:

A. obstructs the pulmonary capillary bed and prevents gas exchange. B. causes anemia by destroying the body's circulating red blood cells. C. binds to the hemoglobin molecule and inhibits cellular oxygenation. D. produces excess carbon dioxide when it binds to the red blood cells.