Open QuestionWhich of the following is important in maintaining the balance of the body?a. visual cues,b. semicircular canals,c. the saccule,d. proprioceptors,e. all of these.
Open QuestionJuan tells his physician that he has been feeling dizzy, especially when he closes his eyes. He is asked to stand with his feet together and arms extended forward. As long as he keeps his eyes open, he exhibits very little movement. But when he closes his eyes, his body begins to sway a great deal, and his arms tend to drift together toward the left side of his body. Why does this occur?
Open QuestionNormal balance depends on information transmitted from a number of sensory receptor types. Name at least three of these receptors.
Open QuestionFor each of the following descriptions, indicate whether it applies to a macula or a crista ampullaris: inside a semicircular canal; contains otoliths; responds to linear acceleration and deceleration; has a cupula; responds to rotational acceleration and deceleration; inside the vestibule.
Open QuestionMultiple ChoiceMore than one choice may apply.Gustatory cells area. bipolar neurons.b. multipolar neurons.c. unipolar neurons.d. epithelial cells.
Open QuestionMultiple ChoiceMore than one choice may apply.Alkaloids excite gustatory hairs mostly at thea. tip of the tongue.b. back of the tongue.c. vallate papillae.d. fungiform papillae.
Open QuestionMultiple ChoiceMore than one choice may apply.Cranial nerves that are part of the gustatory pathway includea. trigeminal.b. facial.c. hypoglossal.d. glossopharyngeal.
Open QuestionMrs. Garson has an immune disorder that causes dry mouth, and she complains to her doctor that she's lost her sense of taste. How might her symptoms be explained?