Deck 5: The Sensorimotor System

Question 1

When a tremor is worsened by the initiation of movements it is known as___________.

A) a petulant tremor
B) an action tremor
C) an irritable tremor
D) a hypersensitive tremor
E) an injured tremor

Answer 1

an action tremor

Question 2

What is the term for a general loss of movement?

A) dekinesia
B) akinesis
C) akinesia
D) dekinesis
E) alexesia

Answer 2

akinesia

Question 3

What is the term for the disorder that is characterized by an individual believing that one of his or her limbs is acting out of his or her control, because a limb is making complex involuntary movements?

A) alien limb syndrome
B) phantom limb syndrome
C) out-of-body experience
D) schizophrenia
E) alien embodiment disorder

Answer 3

alien limb syndrome

Question 4

How is Balint-Holmes syndrome typically caused?

A) By right lesions to the parieto-temporal junction
B) By bilateral lesions to the parieto-temporal junction
C) By left lesions to the parieto-temporal junction
D) By right lesions to the parieto-occiptal junction
E) By bilateral lesions to the parieto-occiptal junction.

Question 5

Which of the following is a component of the basal ganglia?

A) caudate nucleus
B) putamen
C) globus pallidus
D) a and b
E) a and c
F) b and c
G) All of the above

Question 6

Individuals with callosal agenesis are born without a ___________.

A) temporale commissure
B) habenular commissure
C) hippocampal commissure
D) corpus callosum
E) posterior commissure

Question 7

Nicole is an alcoholic and suffers from major depressive disorder. Therefore, these disorders are ___________.

A) comorbid
B) serious
C) inseparable
D) distorted
E) bidistort

Question 8

Where does the dentate nuclei receive projections from?

A) the bilateral zone
B) the primary zone
C) the lateral zone
D) the vermis
E) the intermediate zone

Question 9

There is one dorsal root ganglion for every ___________of the pairs of spinal nerves.

A) one
B) two
C) three
D) four
E) five

Question 10

Which structures does the lentiform nucleus contain?

A) the caudate nucleus and the striatum
B) the caudate nucleus and the putamen
C) the striatum and the putamen
D) globus pallidus and the putamen
E) globus pallidus and the striatum

Question 11

Which of the following are the tracts that that are in the lateral system?

A) the limbis tract and the corticus tract
B) the lateral corticospinal tract and the rubrospinal tract
C) the spinal tract and the brainstem tract
D) the tectospinal tract and the reticulospinal tract
E) the gross motor movement tract and the fine motor movement tract

Question 12

Where are mechanoreceptors located?

A) in the brain
B) in the spinal chord
C) the intermediate zone
D) in the eyes
E) in the skin

Question 13

A pallidotomy is a procedure in which a lesion is typically made in the___________.

A) globus pallidus
B) caudate nucleus
C) putamen
D) corpus callosum
E) substantia nigra

Question 14

Which of the following tracts is essential for maintaining posture?

A) corticospinal tract
B) rubrospinal tract
C) reticulospinal tract
D) limbis tract
E) corticus tract

Question 15

Which of the following tracts is important for controlling head and eye movement?

A) spinal tract
B) corticus tract
C) corticospinal tract
D) tectospinal tract
E) reticulospinal tract

Question 16

Which of the following statements is false regarding a thalamotomy?

A) It is also known as stereotaxic coagulation.
B) It is a procedure used to facilitate movement.
C) It is a procedure used to reduce unwanted movements.
D) It involves lesioning one side of the thalamus.
E) None of the above are false.

Question 17

What does it mean when one says: "The doctor has transected the brain?"

A) The doctor has inserted the plate onto the brain.
B) The doctor has cut through the brain.
C) The doctor has removed the brain.
D) The doctor has weighed the brain.
E) The doctor has eaten the brain.

Question 18

Which of the following define collosal apraxia?

A) A deficit in performing skilled voluntary movements that affects both sides of the body and cannot be attributable to primary sensory problems.
B) A deficit that is characterized by an individual's confusion or loss of knowledge about an object's use.
C) The selective impairment in performing skilled left-hand movements or manipulating objects with the left hand in response to a command.
D) The selective impairment in performing movements or manipulations with limbs of the upper body; may also effect posture.
E) A subcortical sensorimotordisorder which is characterized by motor tics.

Question 19

Which of the following is correct about ideomotor apraxia?

A) An apraxia that is specific to eye movements; people have the ability to move their eyes in any direction, but cannot shift their gaze intentionally to fixate on an object.
B) A deficit that is characterized by an individual's confusion or loss of knowledge about an object's use.
C) The selective impairment in performing skilled left-hand movements or manipulating objects with the left hand in response to a command.
D) The selective impairment in performing movements or manipulations with limbs of the upper body; may also effect posture.
E) A deficit that prevents an individual from executing simple gestures in response to a command or attempt to imitate.

Question 20

Which of the following defines ideational apraxia?

A) A deficit that prevents an individual from executing simple gestures in response to a command or attempt to imitate.
B) A deficit that is characterized by an individual's confusion or loss of knowledge about an object's use.
C) The selective impairment in performing skilled left-hand movements or manipulating objects with the left hand in response to a command.
D) An apraxia that is specific to eye movements; people have the ability to move their eyes in any direction, but cannot shift their gaze intentionally to fixate on an object.
E) The selective impairment in performing movements or manipulations with limbs of the upper body; may also effect posture.