A scientist genetically engineers a neuron whose voltage-gated Na+ channels lack the inactivation gate but which is otherwise normal. This neuron would be expected to
a. conduct action potentials bidirectionally.
b. lack an absolute refractory period.
c. lack a relative refractory period.
d. all of these.
D
Anatomy & Physiology
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The term ________ refers to the homeostatic process that allows us to maintain a constant body temperature
A) thermogenesis B) thermodynamics C) thermochemistry D) thermoregulation E) thermography
Anatomy & Physiology
Which cells secrete histamine?
A. Basophils B. Monocytes C. Neutrophils D. Eosinophils E. Lymphocytes
Anatomy & Physiology
Discuss the structure of the retina, including any distinguishing "regions."
What will be an ideal response?
Anatomy & Physiology
A ringing in the ears is called ________.
A. tinnitus B. trachoma C. nystagmus D. otitis media E. mydriasis
Anatomy & Physiology