Blood being processed for Americans during Korean War

The transcript describes the logistics of transporting blood from the United States to Korea during wartime. Blood is preserved for 21 days and must be repacked in ice. Relay teams ensure its delivery across the Pacific. The efficient schedule allows blood to reach the front lines within six days. Helicopters play a crucial role, delivering blood and transporting wounded soldiers back.

How often must the blood be repacked in fresh ice to ensure its preservation?

• Every 24 hours

• Every 48 hours

• Every 6 hours

• Every 12 hours

What is the maximum duration for which the blood remains viable?

• 30 days

• 14 days

• 45 days

• 21 days

How long does it take for blood to be transported from the United States to the front lines in Korea?

• Four days

• Six days

• Five days

• Three days

What is the role of helicopters in the blood transport process?

• They collect blood from donors

• They deliver blood to the front lines and transport wounded soldiers back

• They store blood for future use

• They test the blood for safety

What is the first leg of the journey for wounded soldiers being transported back?

• By ambulance

• By helicopter

• By train

• By ship