航海英語海上醫(yī)務(wù)與MFAG單項選擇題每日一練(2019.01.07)

單項選擇題
Since accumulations of H2S gas on a ship can be dangerous to personnel，it is important to know that H2S gas is（）.
A.lighter than air
B.heavier than air
C.a yellow gas that is easily recognized
D.mildly toxic
單項選擇題
All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual’s（）.
A.blood
B.breath
C.urine
D.All of the above
單項選擇題
Blood flowing from a cut artery appears（）.
A.dark red with a steady flow
B.bright red with a steady flow
C.bright red and in spurts
D.dark red and in spurts
單項選擇題
Antiseptics are used principally to（）.
A.speed healing
B.prevent infection
C.reduce inflammation
D.increase blood circulation
單項選擇題
A man has suffered a burn on the arm. There is extensive damage to the skin with charring present. How is this injury classified using standard medical terminology?（）
A.Dermal burn
B.Third-degree burn
C.Major burn
D.Lethal burn

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