Cobalt is found in which of the following vitamins?

When channels admitting sodium open, hyperpolarization occurs

a. True b. False

When you startle a four-month-old, he throws his arms out, spreads his fingers, then grabs with his fingers and arms. The reaction is known as the

A) rooting reflex. B) startle reflex. C) Moro reflex. D) scaffolding reflex.