Select the true statement in regards to healthy cardiac muscle. Neither summation nor tetany can occur. Neither summation nor tetany can occur. Both summation and tetany can occur. Both summation and tetany can occur. Summation, but not tetany, can occur. Summation, but not tetany, can occur. Tetany, but not summation, can occur. Tetany, but not summation, can occur. The refractory period of a normal cardiac muscle cell is relatively short. The refractory period of a normal cardiac muscle cell is relatively short.

Explain the cellular functions that occur when antibiotics attack a bacteria cell. a. antibiotics target the cell wall, cell membrane, and the processes of protein and nucleic acids production in bacteria to rupture the cell. b. antibiotics create dormant resistant endospores to preserve the genetic material and rupture the cell. c. antibiotics target the cell wall and form a bridge-like connection to form conjugation. d. antibiotics use binary fission to grow twice its size, replications its dna, and split into two cells.

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping

All phases of matter may have a fixed mass