Answer: the correct answer is laryngoscopy.
Explanation: the surgical procedures that would MOST likely require a rigid endoscope is laryngoscopy. It is the endoscopy of the larynx, a part of the throat. It is a medical procedure that is used to obtain a view, for example, of the vocal folds and the glottis.
Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters. Some drugs, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter in the body.
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