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Questions and Answers
Rami communicantes connect the spinal nerve to the sympathetic trunk.
Rami communicantes connect the spinal nerve to the sympathetic trunk.
True
There are seven cervical nerves in total.
There are seven cervical nerves in total.
False
Dermatomes are used only to test muscle strength.
Dermatomes are used only to test muscle strength.
False
The Oculomotor Nerve is classified as a pure motor nerve.
The Oculomotor Nerve is classified as a pure motor nerve.
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Local anaesthesia can be used to numb a specific dermatome.
Local anaesthesia can be used to numb a specific dermatome.
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The cerebellum makes up 11% of the brain’s mass.
The cerebellum makes up 11% of the brain’s mass.
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The Circle of Willis is formed by four arteries.
The Circle of Willis is formed by four arteries.
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The peripheral nervous system (PNS) consists only of cranial nerves.
The peripheral nervous system (PNS) consists only of cranial nerves.
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The cerebellar activity occurs subconsciously.
The cerebellar activity occurs subconsciously.
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The PNS is subdivided into the sensory-somatic nervous system and the central nervous system.
The PNS is subdivided into the sensory-somatic nervous system and the central nervous system.
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The anterior communicating artery is a paired artery.
The anterior communicating artery is a paired artery.
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All fibres in the cerebellum are contralateral.
All fibres in the cerebellum are contralateral.
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The cerebellum has two bilaterally symmetrical hemispheres connected by the vermis.
The cerebellum has two bilaterally symmetrical hemispheres connected by the vermis.
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The superior gluteal nerve is associated with ventral rami from L4 and L5.
The superior gluteal nerve is associated with ventral rami from L4 and L5.
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The inferior gluteal nerve has contributions from ventral rami S1, S2, and S3.
The inferior gluteal nerve has contributions from ventral rami S1, S2, and S3.
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The sciatic nerve includes fibers from the lumbar region.
The sciatic nerve includes fibers from the lumbar region.
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The pudendal nerve originates from the sacral plexus.
The pudendal nerve originates from the sacral plexus.
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The common fibular nerve is a branch of the tibial nerve.
The common fibular nerve is a branch of the tibial nerve.
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The deep fibular nerve provides sensory innervation to the plantar surface of the foot.
The deep fibular nerve provides sensory innervation to the plantar surface of the foot.
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The lumbosacral trunk is part of the sacral plexus.
The lumbosacral trunk is part of the sacral plexus.
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The posterior femoral cutaneous nerve arises from the ventral rami of spinal nerves S1 to S3.
The posterior femoral cutaneous nerve arises from the ventral rami of spinal nerves S1 to S3.
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The cerebral hemispheres make up 83% of the brain's mass.
The cerebral hemispheres make up 83% of the brain's mass.
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The cortex is composed of white matter and accounts for roughly 40% of the brain's mass.
The cortex is composed of white matter and accounts for roughly 40% of the brain's mass.
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The central sulcus separates the temporal and parietal lobes.
The central sulcus separates the temporal and parietal lobes.
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Broca's area is located in the occipital lobe.
Broca's area is located in the occipital lobe.
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Broca's aphasia involves a patient who cannot produce any speech.
Broca's aphasia involves a patient who cannot produce any speech.
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The lateral sulcus separates the parietal and temporal lobes.
The lateral sulcus separates the parietal and temporal lobes.
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Each hemisphere of the brain acts contralaterally.
Each hemisphere of the brain acts contralaterally.
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Wernicke's area is located in the frontal lobe and is responsible for speech production.
Wernicke's area is located in the frontal lobe and is responsible for speech production.
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The brain has only three functional areas: motor, sensory, and cognitive.
The brain has only three functional areas: motor, sensory, and cognitive.
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Cerebral white matter consists of myelinated fibers that facilitate communication within the CNS.
Cerebral white matter consists of myelinated fibers that facilitate communication within the CNS.
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The precentral and postcentral gyri border the central sulcus.
The precentral and postcentral gyri border the central sulcus.
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Commissural fibers in the brain connect different parts of the same hemisphere.
Commissural fibers in the brain connect different parts of the same hemisphere.
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The thalamus plays a key role in mediating sensation and motor activities.
The thalamus plays a key role in mediating sensation and motor activities.
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The hypothalamus is involved in regulating blood pressure and heart rate.
The hypothalamus is involved in regulating blood pressure and heart rate.
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Melatonin is produced by the thalamus and is important for digestive health.
Melatonin is produced by the thalamus and is important for digestive health.
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Basal ganglia are involved in regulating attention and cognition.
Basal ganglia are involved in regulating attention and cognition.
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The infundibulum connects the hypothalamus to the spinal cord.
The infundibulum connects the hypothalamus to the spinal cord.
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The brainstem contains nuclei from which cranial nerves arise.
The brainstem contains nuclei from which cranial nerves arise.
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In the thoracic region, intercostal nerves do not divide into lateral cutaneous branches.
In the thoracic region, intercostal nerves do not divide into lateral cutaneous branches.
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The posterior rami consist only of medial branches.
The posterior rami consist only of medial branches.
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Cervical plexus includes the hypoglossal nerve (XII).
Cervical plexus includes the hypoglossal nerve (XII).
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The femoral nerve is part of the lumbar plexus with contributions from L2, L3, and L4.
The femoral nerve is part of the lumbar plexus with contributions from L2, L3, and L4.
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The ansa cervicalis is associated with the ventral rami of C4.
The ansa cervicalis is associated with the ventral rami of C4.
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The ilioinguinal nerve is part of the cervical plexus.
The ilioinguinal nerve is part of the cervical plexus.
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Supraclavicular nerves originate from the cervical plexus.
Supraclavicular nerves originate from the cervical plexus.
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Lateral femoral cutaneous nerve is part of the thoracic plexus.
Lateral femoral cutaneous nerve is part of the thoracic plexus.
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The phrenic nerve is associated with the ventral rami of C5.
The phrenic nerve is associated with the ventral rami of C5.
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The lumbar plexus includes the obturator nerve, which originates from L2, L3, and L4.
The lumbar plexus includes the obturator nerve, which originates from L2, L3, and L4.
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