Unit-VIII Gross Anatomy Of Nervous System & Sensory OrganBy abdulslambsn@gmail.com / June 28, 2025 Quiz 8 | Unit-VIII Gross Anatomy Of Nervous System & Sensory Organ Your Good Name: Your College Name: Morning/Evening/Private: Email: 1. What is the approximate weight of the human brain? 1.0 kg 1.4 kg 2.0 kg 0.5 kg None 2. Which part of the brain connects the two cerebral hemispheres? Thalamus Corpus callosum Medulla oblongata Cerebellum None 3. Which structure regulates body temperature and hunger? Hypothalamus Thalamus Pons Cerebellum None 4. Decussation of the pyramids occurs in the: Midbrain Pons Medulla oblongata Cerebellum None 5. Which cranial nerve is responsible for smell? Olfactory (I) Trigeminal (V) Facial (VII) Optic (II) None 6. Damage to the vestibulocochlear nerve (VIII) would affect: Vision Hearing and balance Taste Facial expression None 7. Which cranial nerve controls eye movement via the superior oblique muscle? Oculomotor (III) Trochlear (IV) Abducens (VI) Trigeminal (V) None 8. The vagus nerve (X) is primarily associated with: Chewing Parasympathetic innervation of thoracic/abdominal organs Tongue movement Smell None 9. Which nerve is involved in the gag reflex? Glossopharyngeal (IX) Hypoglossal (XII) Accessory (XI) Optic (II) None 10. The primary motor area is located in which lobe of the cerebrum? Occipital Temporal Frontal Parietal None 11. The spinal cord terminates at which vertebral level in adults? T12 L1 L5 S1 None 12. The dorsal root ganglia contain cell bodies of: The dorsal root ganglia contain cell bodies of: Sensory neurons Interneurons Autonomic neurons None 13. Which plexus supplies the upper limbs? Cervical Brachial Lumbar Sacral None 14. The sciatic nerve originates from which spinal segments? L4–S3 C5–T1 T1–L2 S2–S4 None 15. Gray matter in the spinal cord contains: Myelinated axons Neuron cell bodies Cerebrospinal fluid Dura mater None 16. The organ of Corti is located in the: Cochlea Semicircular canals Tympanic membrane Vestibule None 17. Which ossicle is attached to the tympanic membrane? Incus Stapes Malleus Cochlea None 18. Aqueous humor is produced by the: Ciliary body Retina Cornea Optic nerve None 19. The fovea centralis contains only:to Cones Choroid cells Bipolar cells Rods None 20. Which cranial nerve transmits visual information? Olfactory (I) Optic (II) Oculomotor (III) Trigeminal (V) None 21. The blood-brain barrier is maintained by: Astrocytes Oligodendrocytes Microglia Schwann cells None 22. Broca’s area is associated with: Vision Speech production Balance Taste None 23. Which part of the brainstem controls respiration? Midbrain Pons Medulla oblongata Thalamus None 24. The autonomic nervous system is regulated by the: Cerebellum Hypothalamus Occipital lobe Spinal cord None 25. CSF is primarily absorbed by the: Choroid plexus Arachnoid villi Pia mater Dura mater None 1 out of 3 Thanks For Submitting Your Quiz !!