REFA Exit Exam • Set 1 Question 9 of 30

The heat produces motive force to drive the blood, is located just below the diaphragm extending slightly to the right, the size of heart of an average is weighing ½ kg

✓

Direct Answer

Option B: false

The human heart is located in the thoracic cavity within the mediastinum, resting just above the diaphragm slightly to the left, and typically weighs around 250 to 350 grams, rendering the statement false.

All Options

true

false (Correct Answer)

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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