topic 4

Question 1

the large onion shaped receptors that are found deep in the dermis and in subcutaneous tissue and that respond to deep pressure are

(a) tactile discs
(b) lamellar corpuscles
(c) free nerve endings
(d) muscle spindles

Answer 1

(a) tactile discs
(b) lamellar corpuscles*
(c) free nerve endings
(d) muscle spindles

Question 2

Proprioceptors include all of the following except

(a) muscle spindles
(b) tendon organs
(c) tactile discs
(d) joint kinesthetic receptors

Answer 2

(a) muscle spindles
(b) tendon organs
(c) tactile discs*
(d) joint kinesthetic receptors

Question 3

the aspect of sensory perception by which the cerebral cortex identifies the site or pattern of stimulation is

(a) perceptual detection
(b) feature abstraction
(c) pattern recognition
(d) spatial discrimination

Answer 3

(a) perceptual detection
(b) feature abstraction
(c) pattern recognition
(d) spatial discrimination*

Question 4

the neural machinery of the spinal cord is at the

(a) precommand level
(b) projection level
(c) segmental level

Answer 4

(a) precommand level
(b) projection level
(c) segmental level*

Question 5

dorsal root ganglia contain

(a) cell bodies of somatic motor neurons
(b) axon terminals of somatic motor neurons
(c) cell bodies of autonomic motor neurons
(d) axon terminals of sensory neurons
(e) cell bodies of sensory neurons

Answer 5

(a) cell bodies of somatic motor neurons
(b) axon terminals of somatic motor neurons
(c) cell bodies of autonomic motor neurons
(d) axon terminals of sensory neurons
(e) cell bodies of sensory neurons*

Question 6

the connective tissue sheath that surrounds fascicle of nerve fibers is the

(a) epineurium
(b) endoneurium
(c) perineurium
(d) epimysium

Answer 6

(a) epineurium
(b) endoneurium
(c) perineurium*
(d) epimysium

Question 7

a reflex that causes reciprocal activation of the antagonist muscle is the

(a) crossed-extensor
(b) flexor
(c) tendon
(d) muscle stretch

Answer 7

(a) crossed-extensor
(b) flexor
(c) tendon*
(d) muscle stretch