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Physiology
Answer: 2) Epinephrine
Explanation: During the fight-or-flight response, epinephrine is released from the adrenal medulla and acts on the pupillary dilator muscles to cause mydriasis (dilatation of pupils). This effect is mediated by beta-adr
Prosthodontics
A dental instrument which creates aerosols containing a large number of microorganisms is the ultrasonic scaler.
Oral Pathology
Trigeminal neuralgia is not characterized by throbbing pain; it is typically sharp and stabbing.