Chemicals such as histamine, prostaglandins, serotonin, and substance P
A) only sensitize nociceptors.
B) only activate nociceptors.
C) only sensitize and activate nociceptors.
D) sensitize, activate and inhibit nociceptors.
E) only inhibit nociceptors.
C) only sensitize and activate nociceptors.
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The process by which dissolved gases are exchanged between the cells and interstitial fluids is
A) pulmonary ventilation. B) external respiration. C) internal respiration. D) cellular respiration. E) breathing.
The enzyme that catalyzes the formation of a particular damaging amyloid ?-peptide, and is implicated in inherited forms of early-onset Alzheimer's disease is ________.
A. ?-secretase B. ?-secretase C. ?-secretase D. ?-secretase
A hair cycle consists of three developmental stages in which order?
A. Catagen, telogen, and anagen B. Anagen, catagen, and telogen C. Catagen, anagen, and telogen D. Telogen, anagen, and catagen E. Anagen, telogen, and catagen
The auditory ossicles, the malleus, incus, and stapes are located in the ________.
A. external ear B. middle ear C. cochlea D. internal ear