Topics: Blood clotting Quiz
What is the role of fibrin in blood clotting?
A. acts as an enzyme
B. forms a mesh of fibres to cover the wound
C. causes smooth muscles in blood vessels to contract
D. starts off the whole process
Select your answer:

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Types of Immunity › ViewVaccine is an example of _____________
A. Natural active immunity
B. Natural passive immunity
C. Artificial active immunity
D. Artificial passive immunity
Pharmacology › View
Hypnotics are used to _______________.
A. relieve mild to moderate pain, fever, and anti-inflammatory conditions
B. enhance analgesic effect with opioids and nonopioids
C. promote sedation
D. promote sleep