Two Stimuli Occur on the Same Neuron More Than a Minute

question 72

Multiple Choice

Two stimuli occur on the same neuron more than a minute apart.  The second stimulus is more than ten times greater than the first.  If we compare the two resulting action potentials,which is TRUE?

• A)The second stimulus will lead to an action potential with higher amplitude.
• B)The second stimulus will lead to an action potential with a longer duration.
• C)The second stimulus will lead to an action potential with a longer hyperpolarization at the end.
• D)The amplitude of the two action potentials will be the same.
• E)The amplitude and duration of the second action potential will be greater than the first.

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Definitions:

Myometrium

The muscular layer of the uterus that contracts during childbirth to help deliver the baby.

Uterus

A female reproductive organ in which the fertilized egg implants and develops into a fetus.

Endometrium

The mucous membrane lining the interior of the uterus, which thickens during the menstrual cycle in preparation for possible implantation of an embryo.

Uterus

A hollow, pear-shaped organ located in a woman's lower abdomen, between the bladder and the rectum, where fetal development occurs.