BIO 223 EXAM REVIEW 2023
1. A sensory receptor characterized as a free nerve ending, using the neurotransmitter Substance P, would most likely be a: A. Mechanoreceptor B. Thermoreceptor C. Nociceptor D. Photoreceptor E. Chemoreceptor 2. Which of the following statements about hair cells is FALSE? A. Hair cells within the Organ of Corti respond when pushed against the tectorial membrane B. Hair cells in the utricle and saccule are activated only by rotational movements C. Hair cells are embedded in a gelatinous mass called the cupula within the semicircular ducts D. Hair cells are mechanoreceptors E. Hair cells depolarize as mechanically-gated potassium channels open and potassium enters the cell
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Bio 223
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a sensory receptor characterized as a free nerve e