15_Brain and Cranial Nerves

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Questions and Answers

Which lobe of the cerebral cortex is responsible for processing visual information?

  • Frontal lobe
  • Parietal lobe
  • Occipital lobe (correct)
  • Temporal lobe

Which sulcus separates the frontal lobe from the parietal lobe?

  • Superior sulcus
  • Parieto-occipital sulcus
  • Central sulcus (correct)
  • Lateral sulcus

Which region of the cerebral cortex is responsible for voluntary motor function and decision making?

  • Occipital lobe
  • Frontal lobe (correct)
  • Temporal lobe
  • Parietal lobe

Which area of the cerebral cortex aids the primary motor cortex in controlling skeletal muscles?

<p>Motor association area (C)</p> Signup and view all the answers

Which lobe of the cerebral cortex is responsible for processing somatosensation?

<p>Parietal lobe (D)</p> Signup and view all the answers

Which region of the cerebral cortex is responsible for processing auditory information?

<p>Primary auditory cortex (A)</p> Signup and view all the answers

Which layer of the cranial dura mater forms the cranial dural sinuses and septa?

<p>Meningeal layer (D)</p> Signup and view all the answers

What is the region between the bones and the dura mater called?

<p>Epidural space (D)</p> Signup and view all the answers

What is the region deep to the dura mater called?

<p>Subdural space (B)</p> Signup and view all the answers

What is the thin fibrous tissue that forms a loose sac around the CNS called?

<p>Arachnoid mater (A)</p> Signup and view all the answers

What is the real space filled with CSF beneath the arachnoid called?

<p>Subarachnoid space (C)</p> Signup and view all the answers

Which layer of the meninges follows the superficial convolutions of the brain and spinal cord?

<p>Pia mater (C)</p> Signup and view all the answers

Which type of nervous tissue is composed of cell bodies of neurons and unmyelinated axons?

<p>Gray matter (A)</p> Signup and view all the answers

Which type of nervous tissue is made up of myelinated axons of neurons?

<p>White matter (B)</p> Signup and view all the answers

Which region of the brain is located superficially and covers the entire brain?

<p>Cerebrum (C)</p> Signup and view all the answers

Which region of the brain is located deep in the brain and superficial in the spinal cord?

<p>Cerebellum (C)</p> Signup and view all the answers

What is the function of cerebrospinal fluid (CSF)?

<p>To remove waste and provide nutrients (B)</p> Signup and view all the answers

What is the function of the blood-brain barrier?

<p>To protect the CNS from toxins and pathogens (A)</p> Signup and view all the answers

Which region of the brain is responsible for the understanding of language, both written and verbal?

<p>Wernicke's areas (B)</p> Signup and view all the answers

Which region of the brain is responsible for the production of language or controlling movements responsible for speech?

<p>Broca's areas (B)</p> Signup and view all the answers

Which type of aphasia prevents a person from understanding others or themselves when speaking, and leads to words put together in a random fashion?

<p>Wernicke's Aphasia (C)</p> Signup and view all the answers

Which type of aphasia prevents a person from forming clear words or sentences but has little or no effect on the ability to understand others when they speak?

<p>Broca's Aphasia (C)</p> Signup and view all the answers

Which type of white matter tracts extend between the two hemispheres to connect left and right regions of the cerebrum?

<p>Commissural tracts (B)</p> Signup and view all the answers

Which deep gray matter regions of the brain are responsible for control of movement?

<p>Caudate, putamen, and globus pallidus (D)</p> Signup and view all the answers

Which part of the brain is responsible for coordination of movement, balance, and posture?

<p>Cerebellum (B)</p> Signup and view all the answers

Which part of the brain is the main connection with the cerebellum?

<p>Pons (C)</p> Signup and view all the answers

Which part of the brain is the most inferior part of the brainstem, continuous to the spinal cord?

<p>Medulla Oblongata (A)</p> Signup and view all the answers

Which part of the brain contains an outer layer of gray matter called the cerebellar cortex?

<p>Cerebellum (D)</p> Signup and view all the answers

Which part of the brain is responsible for eye movements?

<p>Oculomotor nerve (D)</p> Signup and view all the answers

Which type of stroke is caused by an abrupt blockage of an artery?

<p>Ischemic stroke (A)</p> Signup and view all the answers

True or false: Gray matter is composed of cell bodies (soma) of neurons and myelinated axons.

<p>False (B)</p> Signup and view all the answers

True or false: White matter is made by unmyelinated axons of neurons.

<p>False (B)</p> Signup and view all the answers

True or false: Gray matter is located superficially covering the entire brain.

<p>True (A)</p> Signup and view all the answers

True or false: White matter is located deep in the brain and superficial in the spinal cord.

<p>False (B)</p> Signup and view all the answers

True or false: The CNS is protected by bones of the skull and vertebral column.

<p>True (A)</p> Signup and view all the answers

True or false: The blood-brain barrier forms a privileged blood supply to protect the CNS from toxins and pathogens.

<p>True (A)</p> Signup and view all the answers

True or false: The primary motor cortex is located in the precentral gyrus.

<p>True (A)</p> Signup and view all the answers

True or false: The primary somatosensory cortex is located in the postcentral gyrus.

<p>True (A)</p> Signup and view all the answers

True or false: The cranial dura mater is made of three layers: periosteal, meningeal, and arachnoid?

<p>False (B)</p> Signup and view all the answers

True or false: The primary visual cortex is located in the occipital lobe.

<p>True (A)</p> Signup and view all the answers

True or false: The region between the bones and the dura mater is called the epidural space?

<p>True (A)</p> Signup and view all the answers

True or false: The primary auditory cortex is located in the temporal lobe.

<p>True (A)</p> Signup and view all the answers

True or false: The arachnoid mater is a real space and is filled with cerebrospinal fluid (CSF)?

<p>False (B)</p> Signup and view all the answers

True or false: The primary gustatory cortex is located in the insula.

<p>True (A)</p> Signup and view all the answers

True or false: The pia mater is a thick fibrous membrane that covers the brain and spinal cord?

<p>False (B)</p> Signup and view all the answers

True or false: Memory and learning are largely functions of the parietal lobe.

<p>False (B)</p> Signup and view all the answers

True or false: The cranial dural septa are flat partitions formed by the periosteal and meningeal layers of the dura mater?

<p>True (A)</p> Signup and view all the answers

True or false: The circle of Willis is formed by branches from the internal carotid arteries and vertebral arteries?

<p>True (A)</p> Signup and view all the answers

True or false: Wernicke's areas are responsible for the production of language, or controlling movements responsible for speech?

<p>False (B)</p> Signup and view all the answers

True or false: Aphasia affects a person's ability to express and understand written and spoken language?

<p>True (A)</p> Signup and view all the answers

True or false: Association tracts connect gyri of the same lobe?

<p>True (A)</p> Signup and view all the answers

True or false: The thalamus is responsible for the sense of smell?

<p>False (B)</p> Signup and view all the answers

True or false: The limbic system is involved in emotion, motivation, and memory associated with emotions?

<p>True (A)</p> Signup and view all the answers

True or false: The midbrain makes the roof and floor of the cerebral aqueduct?

<p>True (A)</p> Signup and view all the answers

True or false: The cerebellum is responsible for coordination of movement, alternating movement of arms and legs, balance, posture and gait.

<p>True (A)</p> Signup and view all the answers

True or false: The brainstem consists of the pons and medulla oblongata.

<p>True (A)</p> Signup and view all the answers

True or false: The pyramids in the brainstem house motor projection tracts.

<p>True (A)</p> Signup and view all the answers

True or false: The inferior olive functions as a relay point for information on proprioception going to the cerebellum.

<p>True (A)</p> Signup and view all the answers

True or false: Cranial nerves originate from the brain, while spinal nerves originate from the spinal cord.

<p>True (A)</p> Signup and view all the answers

True or false: Ischemic strokes are caused by bleeding into brain tissue when a blood vessel bursts.

<p>False (B)</p> Signup and view all the answers

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