Which one of the following sets of ions is necessary for transmission of nerve impulse ?

Options

A. `NA^(+) and K^+` ions
B. `Ca^(+ +) and Mg^(+ +) ions`
C. `Na^(+) and Ca^(+ +)` ions
D. `Na^(+) and Mg^( + +)` ions

Answer

B

Explanation

Calcium helps in the conduction of nerve impulse as it stimulate synaptic vesicles to release neurotransmitter.
Magnesium also affects the conduction of nerve impulse, muscle contraction and heart rhythm.