What is the first action you should take if you suspect someone is choking on food?
A) Ask the person if they can speak.
B) Perform the Heimlich maneuver.
C) Strike the person sharply on the back.
D) Attempt to dislodge the food with your fingers.
Question 2
Zinc is important for taste perception as a component of ____.
A) carbonic anhydrase
B) alcohol dehydrogenase
C) gustin
D) metallothionein