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Questions and Answers

What is the inferior margin of the medulla oblongata formed by?

  • Decussation of olives (correct)
  • Margin of the pons
  • Paraolive sulcus
  • Decussation of pyramids

    • What is the part of the brain where the insula is located?

  • In the medulla oblongata
  • In the depths of the longitudinal fissure
  • In the occipital lobe
  • In the depths of the lateral fissure (correct)

    • Which of the following structures cannot be found in the midbrain?

  • Nucleus of oculomotor nerve
  • Red nucleus
  • Trochlear nerve nucleus
  • Cerebellar peduncle (correct)

    • What structure is NOT part of the hindbrain?

    <p>Telencephalon</p> Signup and view all the answers

    Which artery does NOT supply the lateral surface of the brain?

    <p>Internal carotid artery</p> Signup and view all the answers

    What is the olfactory lobe composed of?

    <p>Anterior perforated substance</p> Signup and view all the answers

    Which statement concerning the corpus callosum is false?

    <p>It forms the roof of the third ventricle</p> Signup and view all the answers

    What is NOT a component of the striatum?

    <p>Insula</p> Signup and view all the answers

    Which of the following structures belongs to medial telencephalon?

    <p>Posterior commissure</p> Signup and view all the answers

    In which part of the brain is the aqueduct NOT located?

    <p>Frontal lobe</p> Signup and view all the answers

    What is the locus coeruleus a part of?

    <p>Pons</p> Signup and view all the answers

    Which structure is NOT found in the rhomboid fossa?

    <p>Motor nucleus of the oculomotor nerve</p> Signup and view all the answers

    What is the tuber cinereum a part of?

    <p>Diencephalon</p> Signup and view all the answers

    What is true about the subarachnoid space?

    <p>It doesn't contain cisterns</p> Signup and view all the answers

    Which sinus has a groove in the skull?

    <p>Transverse sinus</p> Signup and view all the answers

    What is true about the lateral ventricle?

    <p>Anterior horn contains calcar avis</p> Signup and view all the answers

    What is the location of the medial and lateral geniculate bodies?

    <p>Metathalamus</p> Signup and view all the answers

    Which structure is NOT part of the rhinencephalon?

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

    What is the function of the central sulcus of insulae?

    <p>Separates long from short gyri</p> Signup and view all the answers

    What is the location of the para-hippocampal gyrus?

    <p>Inferior surface of the hemisphere</p> Signup and view all the answers

    What is the location of the lentiform nucleus?

    <p>Between the globus pallidus and putamen</p> Signup and view all the answers

    What is the function of the rhomboid fossa?

    <p>Contains the roof of the 4th ventricle</p> Signup and view all the answers

    What is the location of the pineal body?

    <p>Epithalamus</p> Signup and view all the answers

    What is the function of the emissary veins?

    <p>Drains only the brain stem</p> Signup and view all the answers

    Which commissure connects the two halves of the fornix?

    <p>Anterior commissure</p> Signup and view all the answers

    In which lobe is the sensory cortex located?

    <p>Parietal</p> Signup and view all the answers

    What is the function of the external capsule?

    <p>Separates the claustrum and putamen</p> Signup and view all the answers

    What is the correct flow of cerebral spinal fluid?

    <p>Lateral ventricle → aqueduct → 3rd ventricle → 4th ventricle</p> Signup and view all the answers

    Which artery supplies the medial side of the occipital lobe?

    <p>Anterior cerebral artery</p> Signup and view all the answers

    Where is the motor area located?

    <p>Frontal lobe</p> Signup and view all the answers

    Which nucleus is NOT found in the telencephalon?

    <p>Fastigial nucleus</p> Signup and view all the answers

    What part of the brainstem contains the metathalamus?

    <p>Diencephalon</p> Signup and view all the answers

    Which of the following statements concerning the meninges and meningeal spaces of the brain is true?

    <p>Subarachnoid space of the brain is connected to the subarachnoid space of the spinal cord.</p> Signup and view all the answers

    Where is the motor speech area located?

    <p>Frontal lobe.</p> Signup and view all the answers

    What forms the roof of the 4th ventricle?

    <p>Rhomboid fossa.</p> Signup and view all the answers

    Where is the posterior perforated substance located?

    <p>The medial telencephalon.</p> Signup and view all the answers

    Where are the nucleuses of cranial nerves (except CN-1 and CN-2) located?

    <p>Brainstem.</p> Signup and view all the answers

    What is the main symptom of subarachnoid hemorrhage?

    <p>A sudden severe headache unlike anything anybody has experienced before.</p> Signup and view all the answers

    What is true about the posterior cerebral artery?

    <p>Is a branch of basilar artery.</p> Signup and view all the answers

    Where is the fastigial nucleus located?

    <p>Cerebellum.</p> Signup and view all the answers

    Study Notes

    Brain Anatomy and Development

    • The prosencephalon (forebrain) contains diencephalon, and the rhombencephalon (hindbrain) contains pons, medulla oblongata, and cerebellum.

    Sulci and Fissures

    • The Rolandic sulcus separates parietal and temporal lobes.
    • The lateral sulcus separates parietal from the occipital lobe and separates frontal and parietal lobes.

    Arteries and Blood Supply

    • The posterior cerebral artery is a branch of the basilar artery and supplies the lateral surface of the brain.
    • The anterior cerebral artery supplies the medial side of the occipital lobe and goes in the cingulate sulcus.

    Brain Stem and Cranial Nerves

    • The brain stem contains pons, medulla oblongata, and midbrain.
    • Nucleus of cranial nerves (except CN-1 and CN-2) are located in the brain stem.

    Ventricles and CSF

    • The lateral ventricle communicates with the 4th ventricle through the aqueduct.
    • The CSF flows from the lateral ventricle to the aqueduct to the 4th ventricle, then to the subarachnoid space.

    Meninges and Meningeal Spaces

    • The subarachnoid space communicates with the 4th ventricle and contains the cerebral spinal fluid (CSF).
    • The dura mater forms the falx cerebelli and tentorium cerebelli.

    Functional Areas

    • The motor area is located in the frontal lobe.
    • The sensory cortex is located in the parietal lobe.
    • The acoustic area is located in the temporal lobe.
    • The visual area is located in the occipital lobe.
    • The motor speech area is located in the frontal lobe.

    Other Key Facts

    • The locus coeruleus is a part of the pons.
    • The substantia nigra belongs to the mesencephalon.
    • The striatum is built of lentiform and caudate nuclei.
    • The epithalamus consists of the pineal body and habenucle.
    • The metathalamus consists of medial and lateral geniculate bodies.
    • The internal capsule lies between the lentiform nucleus and thalamus.
    • The rhomboid fossa contains the roof of the 4th ventricle and has the fascial colliculus on the ventral side of the pons.

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