Class Polls Flashcards
Which of the following is most likely grey matter?
a. cerebral peduncle
b. fasciculus gracilis
c. nucleus ambiguus
d. lateral lemniscus
c. nucleus ambiguus
Towards the center:
a. afferent
b. efferent
a. afferent
The spinal cord ends at vertebral level:
a. L1/L2
b. L4/L5
c. S1/S2
d. S4/S5
a. L1/L2
What region of the neuron propagates the signal through the myelin sheath towards the distal end of the neuron?
a. dendrite
b. soma
c. axon
d. terminal
c. axon
Glial cells send and receive nerve impulses.
a. true
b. false
b. false
Graded potential and action potentials are the same thing
a. true
b. false
b. false
Which cells retain mitotic competency?
a. neurons
b. glia
b. glia
Which peripheral nerve injury has the best chance of repair/regeneration?
a. neuropraxia
b. axonotmesis
c. neurotmesis
a. neuropraxia
Many graded potentials at various areas of the neuron can cause an action potential. This concept is known as…
a. single summation
b. spatial summation
c. temporal summation
b. spatial summation
Primary afferent cell bodies are located in the:
a. DRG
b. spinal cord
c. brainstem
d. depends on the tract
a. DRG
Which neuron decussates the nervous system?
a. 1st order
b. 2nd order
c. 3rd order
b. 2nd order
Which system is responsible for proprioception, vibration, and discriminatory touch?
a. DCML
b. STT
a. DCML
What is the fine, fractionated movement system also called?
a. anterior descending system
b. lateral corticospinal system
b. lateral corticospinal system
In general, motor axons for the postural movement system are found in the spinal cord ____ region.
a. lateral
b. posterior/dorsal
c. anterior/ventral
c. anterior/ventral
Where are the cell bodies for lower motor neurons found?
a. dorsal horn
b. ventral horn
c. dorsal funiculus
d. lateral funiculus
b. ventral horn
Damage to a lower motor neuron would case:
a. hyperreflexia
b. hyporeflexia
c. clonus
d. positive babinski
b. hyporeflexia
The stretch reflex only involves one synapse.
a. true
b. false
a. true
Why would hyperreflexia occur?
a. loss of tonic descending inhibitory pathways
b. loss of the monosynaptic stretch reflex
c. loss of the triple flexion reflex
d. loss of tonic ascending faciliatory pathways
a. loss of tonic descending inhibitory pathways
The diencephalon is comprised of ___ parts.
a. two
b. three
c. four
c. four
The largest part of the diencephalon is the:
a. epithalamus
b. thalamus
c. subthalamus
d. hypothalamus
b. thalamus
Basal ganglia are:
a. white matter
b. grey matter
b. grey matter
Branches of which vessel supply the cerebellum?
a. internal carotid
b. vertebrobasilar
b. vertebrobasilar
Which of the following is an output fiber of the cerebellum?
a. mossy
b. climbing
c. Purkinje
c. purkinje
The cerebellum has motor and non-motor functions.
a. true
b. fasle
a. true
The lobe that contains the primary somatosensory cortex is called the: A. Frontal lobe B. Parietal lobe C. Temporal lobe D. Occipital lobe
B. Parietal lobe
The left side of the brain is typically involved with language
A. True
B. False
A. True
The right side of the brain is typically involved with spatial awareness.
A. True
B. False
A. True
The frontal lobe, prefrontal cortex, is involved with planning and impulse control:
A. True
B. False
A. True
In the motor homunculus, the lower limb representation is located:
A. On the lateral most part of cortex
B. Outer portion of the cortex beside the face representation
C. On the medial most portion of the cortex
C. On the medial most portion of cortex
The area that mediates emotion is called the: A. Frontal area B. Parietal area C. Limbic area D. Occipital area
C. Limbic area
The type of movement that requires more direct cortico-motoneuronal projections is:
A. Gait
B. Precision grip
C. Power grip
B. Precision grip
The anterior blood supply system involves the:
A. Internal carotid, MCA, and ACA
B. Vertebral artery, basilar artery, and PCA
C. Inguinal artery, femoral artery, and deep femoral artery
A. Internal carotid, MCA, and ACA
How many anterior spinal arteries are there? Posterior spinal arteries? A. 2,2 B. 1,2 C. 2, 1 D. 1,1
B. 1,2
Which type of stroke is more common?
A. Ischemic stroke
B. Hemorrhagic stroke
A. Ischemic stroke
Which one is more dangerous?
A. Plaque
B. Embolus
C. Thrombus
B. Embolus
Which one is statistically more deadly?
A. Hemorrhagic stroke
B. Transient ischemic attack
C. Ischemic stroke
A. Hemorrhagic stroke
Which one is most likely to lead to language deficits? A. L ACA stroke B. L MCA stroke C. R ACA stroke D. R MCA stroke E. L PCA stroke F. R PCA stroke
B. L MCA stroke
Which cranial nerves are associated with the pons?
A. CNs 1,2,3,4
B. CNs 5,6,7,8
C. CNs 9,10,11,12
B. CNs 5,6,7,8
Which cranial nerve is tested by swallowing?
A. 3
B. 7
C. 9
C. 9
Which photoreceptor is responsible for visual acuity?
A. Rods
B. Cones
B. Cones
Which photoreceptor is more numerous in the retina?
A. Rods
B. Cones
A. Rods
Which cells form the optic nerve?
A. Bipolar retinal cells
B. Ganglion cells
B. Ganglion cells
A small retinal lesion causes: A. A scotoma B. Homomynous hemianopsia C. Quadrant a posit D. Bitemporal anopsia
A. A scotoma
A complete lesion of the optic tract causes: A. A scotoma B. Homomynous hemianopsia C. Quadrant anopsia D. Bitemporal anopsia
B. Homomynous hemianopsia
A lesion of the optic chiasm causes: A. A scotoma B. Homomynous hemianopsia C. Quadrant anopsia D. Bitemporal anopsia
D. Bitemporal anopsia
From superficial to deep, the inner ear goes…
A. Endolymph, perilymph, membranous labyrinth, bony labyrinth
B. Bony labyrinth, membranous labyrinth, endolymph, perilymph
C. Bony labyrinth, membranous labyrinth, perilymph, endolymph
D. Membranous labyrinth, bony labyrinth, perilymph, endolymph
C. Bony labyrinth, membranous labyrinth, perilymph, endolymph
Hair cells are excited by the stereocilia deflecting:
A. Towards the kinocilium
B. Away from the kinocilium
A. Towards the kinocilium
The ____ would respond to accelerating riding in a car, the ___ would respond to accelerating while riding in an elevator, and the ___ would respond to shaking your head “no”.
A. Saccule, utricle, horizontal semicircular canal
B. Horizontal semicircular canal, saccule, utricle
C. Utricle, saccule, horizontal semicircular canal
C. Utricle, saccule, horizontal semicircular canal
Compared to other neural systems, the auditory system has:
A. More synapses on the way to the cortex
B. Less synapses on the way to the cortex
A. More synapses on the way to the cortex
Performing a head perturbation of your patient in the horizontal plane is a form of testing the…
A. Vestibulo-Collic reflex
B. Vestibulo-spinal reflex
C. Vestibulo-occular reflex
C. Vestibulo-occular reflex
BPPV can occur when \_\_\_ break off the gelatinous membrane and become lodged where they shouldn’t be, in semicircular canals: A. Labyrinth B. Maculae C. Crystal ampullae D. Otoconia E. Stapedius F. Scarpa
D. Otoconia
Unilateral spatial neglect is most likely to occur with damage to the:
A. Dominant left hemisphere
B. Non dominant right hemisphere
B. Non dominant right hemisphere
Which structure is most associated with short term declarative memory?
A. Cerebellum
B. Hippocampus
B. Hippocampus
Impaired ability to recognize faces is called: A. Aphasia B. Agnosia C. Apraxia D. Psosopagnosia
D. Psosopagnosia
Aphasia is most likely to occur with damage to the:
A. Dominant left hemisphere
B. Nondominant right hemisphere
A. Dominant left hemisphere
What meningeal space is filled with cerebrospinal fluid? A. Subdural B. Subarachnoid C. Epidural D. Pia-cerebral
B. Subarachnoid
CSF production rate is reliant on interventricular pressure.
A. True
B. False
B. False
The terms pain and nociception mean the same thing.
A. True
B. False
B. False
Chronic pain will always have associated tissue damage.
A. True
B. False
B. False
Nociceptive pain means nociceptors (free nerve endings) are involved
A. True
B. False
A. True
