Question

injury on the battlefield

• morphine was introduced in world war ii. before morphine, there were no painkillers. in world war ii, injured soldiers were given morphine to help with the pain. today, morphine is used extensively in hospitals.
• the first aeromedical flight took place during world war ii. a plane would airlift soldiers out of an area to get them to a medical facility. this practice is still used today in healthcare.

which of the following was the first pain killer and was introduced during world war ii?

• penicillin
• ddt
• morphine

Explanation:

From the given text, it is stated that "Morphine was introduced in World War II. Before morphine, there were no painkillers." So morphine was the first painkiller introduced during World War II. Penicillin is an antibiotic and DDT is an insecticide, neither are painkillers.

Answer:

morphine