Open QuestionIdentify six types of tactile receptors located in the skin, and describe their sensitivities.
Open QuestionWhat three types of mechanoreceptors respond to stretching, compression, twisting, or other distortions of their plasma membrane?
Open QuestionAll of the following descriptions refer to dorsal column–medial lemniscal ascending pathways except one:a. they include the fasciculus gracilis and fasciculus cuneatus;b. they include a chain of three neurons;c. their connections are diffuse and poorly localized;d. they are concerned with precise transmission of one or a few related types of sensory input.
Open QuestionCharacterize each receptor activity described below by choosing the appropriate letter and number(s) from keys A and B._____, _____(1) You are enjoying an ice cream cone._____, _____(2) You have just scalded yourself with hot coffee._____, _____(3) The retinas of your eyes are stimulated._____, _____(4) You bump (lightly) into someone._____, _____(5) You are in a completely dark room and reaching toward the light switch._____, _____(6) You feel uncomfortable after a large meal. Key A:a. exteroceptorb. interoceptorc. proprioceptorKey B:(1) chemoreceptor(2) mechanoreceptor(3) nociceptor(4) photoreceptor(5) thermoreceptor
Open QuestionFirst-order somatic sensory neurons are_____neurons whose cell bodies are located in the_____.a. multipolar, posterior hornb. pseudounipolar, posterior root ganglionc. bipolar, anterior hornd. pseudounipolar, posterior horn
Open QuestionFill in the blanks:______detect the degree to which a muscle is stretched, whereas______detect the force of a muscle contraction.