A Common Feature of Action Potentials Is That They ________

question 85

Multiple Choice

A common feature of action potentials is that they ________.

• A) cause the membrane to hyperpolarize and then depolarize
• B) can undergo temporal and spatial summation
• C) are triggered by a depolarization that reaches the threshold potential
• D) move at the same speed along all axons
• E) require the diffusion of Na+ and K+ through ligand-gated channels to propagate

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Definitions:

Otosclerosis

A condition characterized by abnormal bone growth in the middle ear, leading to hearing loss.

Ear Infections

Infections that occur in the ear, often in the middle ear, causing pain, swelling, and sometimes hearing loss.

Otoscopic Examination

A medical procedure using an otoscope to look inside the ear canal to diagnose conditions affecting the ear.

Speculum

A medical tool used to hold open a body cavity or canal to allow for examination and treatment.