Identify cranial nerve I.
  • Olfactory nerveCorrect. Cranial nerve I is the olfactory nerve.
  • Meninges.Correct. The meninges encase the central nervous system.
  • Pituitary glandCorrect. The pituitary gland can be seen on the ventral surface of the brain. It can easily be removed with the meninges if care isn't taken to keep it attached.
  • Answer: 3Correct. The dura mater, arachnoid, and pia mater make up the 3 layers of the meninges.
Which region of the brain contains gyri and sulci?
  • CerebrumCorrect. The cerebral cortex has a convoluted surface. The ridges are known as gyri and the grooves that separate the gyri are sulci.
  • Longitudinal fissureCorrect. The longitudinal fissure is easily observed right along midline dividing the cerebrum into the right and left cerebral hemispheres.
  • DiencephalonCorrect. The diencephalon forms the central core of the brain and cannot be seen from the surface of the brain.
  • Dura materCorrect. The outer layer of the meninges is the dura mater. The dura mater is easily seen surrounding the outside of the brain.
The meninges consist of ___ layers.
  • Transverse fissureCorrect. The transverse fissure is the separation found between the cerebrum and the cerebellum.
  • Answer: 3Correct. The dura mater, arachnoid, and pia mater make up the 3 layers of the meninges.
  • CerebrumCorrect. The cerebral cortex has a convoluted surface. The ridges are known as gyri and the grooves that separate the gyri are sulci.
  • Dura materCorrect. The outer layer of the meninges is the dura mater. The dura mater is easily seen surrounding the outside of the brain.
What gland can be observed on the ventral surface of the sheep brain?
  • Transverse fissureCorrect. The transverse fissure is the separation found between the cerebrum and the cerebellum.
  • Pituitary glandCorrect. The pituitary gland can be seen on the ventral surface of the brain. It can easily be removed with the meninges if care isn't taken to keep it attached.
  • InfundibulumCorrect. The infundibulum attaches the pituitary gland to the hypothalamus. It contains axons that originate in the hypothalamus and end in the posterior pituitary.
  • Longitudinal fissureCorrect. The longitudinal fissure is easily observed right along midline dividing the cerebrum into the right and left cerebral hemispheres.
Which landmark divides the cerebrum in half?
  • CerebrumCorrect. The cerebral cortex has a convoluted surface. The ridges are known as gyri and the grooves that separate the gyri are sulci.
  • Pituitary glandCorrect. The pituitary gland can be seen on the ventral surface of the brain. It can easily be removed with the meninges if care isn't taken to keep it attached.
  • Transverse fissureCorrect. The transverse fissure is the separation found between the cerebrum and the cerebellum.
  • Longitudinal fissureCorrect. The longitudinal fissure is easily observed right along midline dividing the cerebrum into the right and left cerebral hemispheres.
Which of the following regions cannot be observed superficially?
  • Optic chiasmCorrect. The optic chiasm is where the optic nerves cross midline, so that sensory information from one side of the body is processed on the opposite side of the brain.
  • DiencephalonCorrect. The diencephalon forms the central core of the brain and cannot be seen from the surface of the brain.
  • a.) Mammillary body b.) Optic tract c.) Optic nerve d.) Optic chiasm Answer: Optic Nerve
  • Dura materCorrect. The outer layer of the meninges is the dura mater. The dura mater is easily seen surrounding the outside of the brain.
What structure attaches the pituitary gland to the brain?
  • InfundibulumCorrect. The infundibulum attaches the pituitary gland to the hypothalamus. It contains axons that originate in the hypothalamus and end in the posterior pituitary.
  • Longitudinal fissureCorrect. The longitudinal fissure is easily observed right along midline dividing the cerebrum into the right and left cerebral hemispheres.
  • DiencephalonCorrect. The diencephalon forms the central core of the brain and cannot be seen from the surface of the brain.
  • Pituitary glandCorrect. The pituitary gland can be seen on the ventral surface of the brain. It can easily be removed with the meninges if care isn't taken to keep it attached.
Which of the meninges is the outer layer?
  • a.) Mammillary body b.) Optic tract c.) Optic nerve d.) Optic chiasm Answer: Optic Nerve
  • DiencephalonCorrect. The diencephalon forms the central core of the brain and cannot be seen from the surface of the brain.
  • CerebrumCorrect. The cerebral cortex has a convoluted surface. The ridges are known as gyri and the grooves that separate the gyri are sulci.
  • Dura materCorrect. The outer layer of the meninges is the dura mater. The dura mater is easily seen surrounding the outside of the brain.
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