PSSR Exit Exam • Set 2 Question 11 of 30
High concentrations of Hydrogen Sulfide ($H_2S$) gas are extremely dangerous to personnel because they can:
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Direct Answer
Option A: Paralyze your breathing system
Hydrogen Sulfide (H2S) is a highly toxic, lethal gas. At high concentrations, it acts as a respiratory paralyzer by inhibiting cellular respiration, which can lead to instant collapse and death for the unsuspecting person.
All Options
A
Paralyze your breathing system
(Correct Answer)
B
Cause dizziness
C
Cause involuntary skeletal muscle contractions
D
Cause eye inflammation
Detailed Explanation & Context
Hydrogen Sulfide (H2S) is a highly toxic, lethal gas. At high concentrations, it acts as a respiratory paralyzer by inhibiting cellular respiration, which can lead to instant collapse and death for the unsuspecting person.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Personal Safety & Social Responsibilities (PSSR).
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