OTD 341 Neuroanatomy Exam 2 Questions And
100% Accurate Answers
Where do second-order neurons in the spinothalamic tract decussate?
A) Medulla oblongata
B) Anterior white commissure of spinal cord
C) Dorsal horn of the spinal cord
D) Thalamus
B) Anterior white commissure of spinal cord
What is the consequence of damage to the spinothalamic tract?
A) Loss of fine touch on the contralateral side
B) Loss of pain and temperature on the contralateral side
C) Ipsilateral loss of proprioception
D) Ipsilateral loss of vibration sense
B) Contralateral loss of pain and temperature
Which of the following pathways is NOT one of the indirect pathways of the anterolateral
system?
A) Spinoreticular fibers
B) Spinomesencephalic fibers
C) Spinohypothalamic fibers
D) Dorsal column fibers
D) Dorsal column fibers
,What type of proprioception is conveyed by the spinocerebellar tracts?
A) Conscious proprioception
B) Nonconscious proprioception
C) Pain perception
D) Temperature perception
B) Nonconscious proprioception
From what structures do the spinocerebellar tracts receive input?
A) Cutaneous receptors
B) Muscle spindles and Golgi tendon organs
C) Pacinian corpuscles
D) Free nerve endings
B) Muscle spindles and Golgi tendon organs
To what part of the brain do the spinocerebellar tracts transmit information?
A) Cerebral cortex
B) Thalamus
C) Ipsilateral cerebellum
D) Brainstem
C) Ipsilateral cerebellum
What is the main function of the information carried by the spinocerebellar tracts?
A) Pain modulation
B) Coordination of limb movements and postural control
C) Regulation of body temperature
D) Sensory integration
B) Coordination of limb movements and postural control
,Which of the following describes the pathway of the spinocerebellar tracts?
A) Bilateral to the cerebellum
B) Ipsilateral to the cerebellum
C) Contralateral to the cortex
B) Ipsilateral to the cerebellum
Which of the following are mediated by primary descending pathways?
A) Sensory perception
B) Motor functions
C) Emotional responses
D) Cognitive processing
B) Motor functions
Which of the following is NOT a function of primary descending pathways?
A) Regulation of muscle tone
B) Modulation of spinal reflexes
C) Processing visual information
D) Regulation of visceral functions
C) Processing visual information
How many neurons are generally involved in most motor descending tracts?
A) 1 neuron
B) 2 neurons
C) 3 neurons
D) 4 neurons
, B) 2 neurons
Which of the following BEST describes the type of movements the descending pathways
primarily regulate?
A) Involuntary movements only
B) Voluntary movements only
C) Both voluntary and involuntary movements
D) Reflex movements only
C) Both voluntary and involuntary movement
Which of the following is a role of the primary descending pathways?
A) Generating sensory feedback
B) Initiating and controlling muscle activity
C) Modulating emotional responses
D) Enhancing cognitive functions
B) Initiating and controlling muscle activity
Which tract is located in the posterior half of the lateral funiculus?
A) Anterior corticospinal tract
B) Lateral corticospinal tract
C) Spinothalamic tract
D) Dorsal column tract
B) Lateral corticospinal tract
What does the anterior corticospinal tract do?
A) It facilitates pain
100% Accurate Answers
Where do second-order neurons in the spinothalamic tract decussate?
A) Medulla oblongata
B) Anterior white commissure of spinal cord
C) Dorsal horn of the spinal cord
D) Thalamus
B) Anterior white commissure of spinal cord
What is the consequence of damage to the spinothalamic tract?
A) Loss of fine touch on the contralateral side
B) Loss of pain and temperature on the contralateral side
C) Ipsilateral loss of proprioception
D) Ipsilateral loss of vibration sense
B) Contralateral loss of pain and temperature
Which of the following pathways is NOT one of the indirect pathways of the anterolateral
system?
A) Spinoreticular fibers
B) Spinomesencephalic fibers
C) Spinohypothalamic fibers
D) Dorsal column fibers
D) Dorsal column fibers
,What type of proprioception is conveyed by the spinocerebellar tracts?
A) Conscious proprioception
B) Nonconscious proprioception
C) Pain perception
D) Temperature perception
B) Nonconscious proprioception
From what structures do the spinocerebellar tracts receive input?
A) Cutaneous receptors
B) Muscle spindles and Golgi tendon organs
C) Pacinian corpuscles
D) Free nerve endings
B) Muscle spindles and Golgi tendon organs
To what part of the brain do the spinocerebellar tracts transmit information?
A) Cerebral cortex
B) Thalamus
C) Ipsilateral cerebellum
D) Brainstem
C) Ipsilateral cerebellum
What is the main function of the information carried by the spinocerebellar tracts?
A) Pain modulation
B) Coordination of limb movements and postural control
C) Regulation of body temperature
D) Sensory integration
B) Coordination of limb movements and postural control
,Which of the following describes the pathway of the spinocerebellar tracts?
A) Bilateral to the cerebellum
B) Ipsilateral to the cerebellum
C) Contralateral to the cortex
B) Ipsilateral to the cerebellum
Which of the following are mediated by primary descending pathways?
A) Sensory perception
B) Motor functions
C) Emotional responses
D) Cognitive processing
B) Motor functions
Which of the following is NOT a function of primary descending pathways?
A) Regulation of muscle tone
B) Modulation of spinal reflexes
C) Processing visual information
D) Regulation of visceral functions
C) Processing visual information
How many neurons are generally involved in most motor descending tracts?
A) 1 neuron
B) 2 neurons
C) 3 neurons
D) 4 neurons
, B) 2 neurons
Which of the following BEST describes the type of movements the descending pathways
primarily regulate?
A) Involuntary movements only
B) Voluntary movements only
C) Both voluntary and involuntary movements
D) Reflex movements only
C) Both voluntary and involuntary movement
Which of the following is a role of the primary descending pathways?
A) Generating sensory feedback
B) Initiating and controlling muscle activity
C) Modulating emotional responses
D) Enhancing cognitive functions
B) Initiating and controlling muscle activity
Which tract is located in the posterior half of the lateral funiculus?
A) Anterior corticospinal tract
B) Lateral corticospinal tract
C) Spinothalamic tract
D) Dorsal column tract
B) Lateral corticospinal tract
What does the anterior corticospinal tract do?
A) It facilitates pain
