REFA Exit Exam • Set 1 Question 17 of 30

Blood is a vehicle for the human cardiovascular system, its major subdivision are the plasma including red blood cells, white blood cells and platelets

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Direct Answer

Option A: true

Human blood serves as the primary fluid transport vehicle, consisting of liquid plasma suspending vital formed elements: erythrocytes, leukocytes, and thrombocytes essential for oxygenation, immunity, and coagulation.

All Options

true (Correct Answer)

false

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Elementary First Aid (REFA).

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