EFA Exit Exam • Set 9 Question 7 of 30
The mammalian diving reflex refers to:
✓
Direct Answer
Option D: A decrease in heart rate and constriction of peripheral blood vessels
The correct answer is: "A decrease in heart rate and constriction of peripheral blood vessels". This aligns with maritime first aid standards, DG Shipping exam syllabi, and international emergency resuscitation guidelines.
All Options
A
An increase in heart rate and respiration
B
A decrease in heart rate and dilation of blood vessels
C
An increase in heart rate and constriction of pupils
D
A decrease in heart rate and constriction of peripheral blood vessels
(Correct Answer)
Detailed Explanation & Context
The correct answer is: "A decrease in heart rate and constriction of peripheral blood vessels". This aligns with maritime first aid standards, DG Shipping exam syllabi, and international emergency resuscitation guidelines.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Elementary First Aid (EFA).
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