When Is It Appropriate to Approach a Landed Helicopter

question 3

Multiple Choice

When is it appropriate to approach a landed helicopter?

• A) After the rotors stop spinning
• B) After a 5-minute "cooling off" period
• C) When the flight crew signals you to approach
• D) When the landing zone officer indicates it is safe

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Definitions:

B Cells

A type of white blood cell that is vital for antibody production, differentiating into plasma cells that produce antibodies.

T Cells

A type of lymphocyte involved in the immune response, playing critical roles in identifying and killing infected cells or cancer cells.

Adaptive Defense Mechanism

A component of the immune system that evolves its response to specific pathogens through memory of previous encounters, enhancing protection upon subsequent exposures.

Stomach Acids

The digestive fluids secreted by the stomach's lining, containing hydrochloric acid and digestive enzymes, crucial for breaking down food.