First-order somatic sensory neurons are_____neurons whose cell bodies are located in the_____.


a. multipolar, posterior horn
b. pseudounipolar, posterior root ganglion
c. bipolar, anterior horn
d. pseudounipolar, posterior horn

All 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.

Differentiate between a tonic receptor and a phasic receptor.

Differentiate clearly between sensation and perception.

Characterize 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

What are the four types of papillae on the human tongue?

Receptors in the saccule and utricle provide sensations of (a) angular acceleration, (b) hearing, (c) vibration, (d) gravity and linear acceleration and deceleration.