A Person Choking on a Piece of Food

question 8

Multiple Choice

A person choking on a piece of food

• A) cannot talk, breath, or cough.
• B) can cough but cannot breath or talk.
• C) can talk and cough but is unable to breath.
• D) can breath through their nose if they remain calm.
• E) can do none of these.

---

Definitions:

Chain Reaction

A sequence of reactions where a reactive product or by-product causes additional reactions to take place.

Double-Stranded DNA

DNA consisting of two complementary strands that wind around each other, forming a double helix structure.

Restriction Enzymes

Proteins used to cut DNA at specific sequences, essential tools in molecular biology for gene cloning and DNA modification.

Double-Stranded DNA

The structure of DNA in which two linear strands run in opposite directions (antiparallel) and are wound around each other, much like a twisted ladder, forming the characteristic double helix.