A new patient reports some serious symptoms of depression and desperately needs therapy, but the symptoms are not sufficiently severe to result in a diagnosis. The psychologist will work with the patient, but this presentation of symptoms might best be

X-linked diseases are more common for females than for males, because females have two X chromosomes

Indicate whether this statement is true or false.

During the absolute refractory period,

a. neurons can fire continuously. b. no amount of further stimulation can induce another action potential to develop. c. only the strongest stimulation will cause another action potential to be generated. d. the neuron will fire to a stimulus that is slightly stronger than what is normally necessary.