[Solved] While Dr. Jackson is recording the activity of a squid axon, he finds that a larger depolarizing shock is necessary on occasion in order to produce a new action potential. What is the most likely explanation for Dr. Jackson's observations? A) The squid axon is such an artificial laboratory preparation, it cannot be expected to respond like an axon in a living animal. B) Dr. Jackson's second shock probably occurs during a relative refractory period. C) Dr. Jackson's second shock probably occurs during an absolute refractory period. D) The squid axon in the laboratory does not have functioning sodium-potassium pumps. Autoerotic Asphyxia: A form of sexual masochism linking strangulation with masturbation. Strangulation: The act of compressing the neck of a person, leading to potential unconsciousness or death due to the obstruction of blood flow and air to the brain. Masturbation: The sexual stimulation of one's own genitals, often to the point of orgasm. Sexual Sadism: A condition in which sexual pleasure is derived from causing pain, suffering, or humiliation to others.