Neuroanatomy Quiz
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This structure plays a vital role in deciding which sensory signals should be processed or ignored
A. substantial nigra
B. reticular formation
C. Nucleus Solitarius
D. Area Postrema
Name the yellow line
A. lateral sulcus
B. central sulcus
C. lateral gyrus
D. transverse gyrus
What is the destination of the third order sensory neurons?
A. Parietal Lobe Cortex
B. Frontal Lobe Cortex
C. Thalamus
D. Skin, Viscera, Tendons and Muscle
Which of the following best describes the characteristics duration of acute pain?
A. Lasting for months or years
B. Persisting less than 2 weeks
C. Occurring suddenly and lasting less than 3 to 6 months
D. Present continuously over an extended period
What is the longitudinal depression that runs the length of the spinal cord on the dorsal side?
A. Posterior Median Sulcus
B. Rolandic Fissure
C. Transverse Sulcus
D. Anterior Median Fissure
Which descending pathway primarily serves as an output pathway of the spinocerebellum, influencing motor coordination and balance?
A. Rubrospinal tract
B. Corticospinal tract
C. Vestibulospinal tract
D. Reticulospinal tract
What smell can potentially be used to diagnose early signs of Alzheimer’s?
A. •Coffee
B. •Anise
C. •Rotten egg•Rotten egg
D. •Peanut butter
What type of brain tumor is slow-growing and usually benign?
A. Meningiomas
B. Gliomas
C. Medulloblastomas
D. Abscesses
Identify #1
A. Midbrain
B. Medulla
C. Cerebellum
D. Pons
The insular cortex integrates information from
A. •Face and tongue
B. •Visceral organs
C. •Both of the above
D. •None of the above
When the membrane potential of a neuron is at resting state, which ion has the highest concentration outside of the cell?
A. Calcium
B. Potassium
C. Chloride
D. Sodium
You add TTX to determine the effect on the generated action potential. What is the pharmacological mechanism of TTX in neurons.
A. TTX inactivates potassium leak channels, that alters resting membrane potential.
B. TTX is glutamatergic receptor antagonist that prevents synaptic transmission.
C. TTX is a potent voltage gated potassium channel blocker the prevent the repolarization of a neuron.
D. TTX is a voltage gated sodium channel blocker that prevents action potential generation.
Segmental artery arise from
A. Medial intercostal artery
B. Lateral intercostal artery
C. Superior intercostal artery
D. Lumber artery
Which of the following best describes the primary function of the LAS compared to the MAS?
A. The lateral activation system is primarily involved in voluntary motor movements, while the medial activation system is responsible for fine motor control.
B. The lateral activation system is primarily responsible for maintaining balance and posture, while the medial activation system facilitates voluntary movements.
C. The lateral activation system coordinates head movements to maintain equilibrium, while the medial activation system initiates and controls voluntary movements.
D. The lateral activation systems regulates muscle tone and posture, while the medial activation system integrates sensory information and initiates reflex responses
Which brain regions are key components of the descending central nervous system (CNS) pathway of pain modulation?
A. Hippocampus and amygdala
B. Thalamus and hypothalamus
C. Periaqueductal gray (PAG) and rostral ventromedial medulla (RVM)
D. Cerebellum and basal ganglia
Which pathway in the hypothalamus is responsible for sympathetic response?
A. •Hypothalamospinal tract
B. •Medial forebrain bundle
C. •Dorsal longitudinal fasiculus
D. •Mamilotegmental tract
You now want to determine if there are voltage-gated potassium channels functioning in your unidentified cell. Which of the following pharmacological agents did we discuss in class that could be used.
A. TTX
B. a-bungarotoxin
C. tetraethylammonium (TEA)
D. conotoxins
Where is the primary location of the blood-CSF barrier in the central nervous system?
A. In the subarachnoid space
B. Within the gray matter
C. Along the spinal cord
D. Within the brain ventricles
During a biology lab dissection, which structure would you find on the posterior surface of the medulla oblongata?
A. Pyramid
B. Olive
C. Gracile tubercle
D. Middle cerebellar peduncle
What is the principal role of granule cells in the cerebellum?
A. Integrating motor signals from the spinal cord
B. Conveying sensory input into the cerebellum
C. Modulating Purkinje cell activity
D. Generating parallel fibers to activate Purkinje cells
Which of the following lobes of the cerebellum does not exist?
A. anterior lobe
B. middle lobe
C. posterior lobe
D. Flocculonodular lobe
Which primary neurotransmitter binds onto the GPi?
A. Noradrenaline
B. Dopamine
C. GABA
D. Glutamate
Which of the following statements accurately describes the organization of lower motor neurons (LMNs) in the spinal cord?
A. LMNs primarily modulate autonomic functions such as heart rate and digestion
B. LMNs receive sensory input from peripheral nerves and relay it to the brain
C. LMNs innervate skeletal muscles and are organized in motor nuclei within the ventral horn of the spinal cord
D. LMNs are located primarily in the dorsal horn of the spinal cord
During neurotransmission, which of the following proteins interact with the SNARE complex and bind calcium to initiate vesicle exocytosis?
A. SNAP-25
B. Syntaxin
C. Synaptobrevin
D. Synaptotagmin
What part of your brain can be considered to be the brain’s telephone switchboard operator?
A. Thalamus
B. Cerebellum
C. Hypothalamus
D. Cerebrum
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