Hi. Is this correct?

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

What form of anesthetic was used for field surgery