The Brain and Cranial Nerves

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The Brain and Cranial NervesTrue / False Questions1. Both cerebrum and cerebellum have gray matter in their surface cortex and deeper nuclei, and white matter deep to the cortex.2. The cerebellum exhibits folds called gyri separated by grooves called sulci.3. The epidural space is filled with cerebrospinal fluid (CSF).4. The blood-brain barrier (BBB) helps prevent hemorrhages in the nervous tissue of the brain.5. The cerebellum is the largest part of the brain.6. The medulla oblongata is the most rostral part of the brain.7. The hypothalamus is involved in such feelings as love, anger, fear, pleasure, and pain.8. The vision association area resides primarily in the temporal lobe.9. All cranial nerves lead to structures in the head and neck.10. There are three cranial nerves involved in eye movement and two in the sense of taste.Multiple Choice Questions11. The following are all major components of the brainstem except the _________.A. diencephalonB. ponsC. medulla oblongataD. midbrainE. cerebellum12. The right and left cerebral hemispheres are separated from each other by __________.A. many sulciB. many gyriC. the brainstemD. the longitudinal fissureE. the corpus callosum13. The cerebellum is __________ to the cerebrum.A. superficialB. deepC. caudalD. rostralE. medial14. The gray matter of the cerebrum forms a surface layer called the __________ and deeper masses called __________ surrounded by white matter.A. nuclei; tractsB. cortex; nucleiC. cortex; medullaD. medulla; midbrainE. medulla; nerves15. Which of the following structures appears as a large bulge just rostral to the medulla?A. PonsB. MidbrainC. CerebellumD. Medulla oblongataE. Hypothalamus16. Which structure forms the floor and part of the walls of the third ventricle?A. ThalamusB. HypothalamusC. EpithalamusD. Pituitary glandE. Midbrain17. From superficial to deep, the meninges occur in which order?A. Dura mater, pia mater, arachnoidB. Dura mater, arachnoid, pia materC. Pia mater, dura mater, arachnoidD. Pia mater, arachnoid, dura materE. Arachnoid, pia mater, dura mater18. Which of the following is not a function of CSF?A. To regulate the chemical environment of the nervous tissueB. To rinse metabolic wastes from the nervous tissueC. To provide oxygen and nutrients to the nervous tissueD. To protect the brain from striking the cranium when the head is joltedE. To allow the brain to attain considerable size without being impaired by its own weight19. The blood-brain barrier (BBB) is most permeable to which of the following?A. Platelets, white blood cells, and red blood cellsB. Sodium, potassium, and chlorideC. Urea and creatinineD. Glucose and oxygenE. Antibiotics20. Which structures create the blood brain barrier (BBB)?A. Gap junctions between endothelial cells that form the capillary wallsB. Tight junctions between endothelial cells that form the capillary wallsC. Gap and tight junctions between astrocytes and endothelial cells that form the capillary wallsD. Desmosomes and tight junctions between astrocytes and ependymal cells that form the capillary wallsE. Gap junctions between ependymal cells and endothelial cells that form the capillary walls21. A patient is experiencing a high fever, stiff neck, drowsiness, and intense headaches. A spinal tap showed bacteria and white blood cells in the cerebrospinal fluid (CSF). This individual most likely has what condition?A. Parkinson diseaseB. Alzheimer diseaseC. MeningitisD. HydrocephalusE. A stroke22. Where are the cardiac, vasomotor, and respiratory centers found?A. Medulla oblongataB. PonsC. MidbrainD. Spinal cordE. Diencephalon23. The reticular formation is a web of __________ scattered throughout the __________.A. nerves; white matter in the cerebrumB. white matter; cerebellumC. gray matter; brainstemD. gray matter; cerebrumE. neurosomas; hypothalamus24. Loss of equilibrium and motor coordination would most likely be related to a lesion in which structure?A. Limbic systemB. PonsC. Pituitary glandD. Medulla oblongataE. Cerebellum25. In which structure is the arbor vitae found?A. Left cerebral hemisphereB. Tegmentum in the midbrainC. CerebellumD. Reticular formationE. Diencephalon26. There are no cranial nerves associated with which part of the brain?A. ThalamusB. Medulla oblongataC. MidbrainD. CerebellumE. Pons27. Nearly all the somatosensory input to the cerebrum passes by way of synapses in which region of the brain?A. ThalamusB. HypothalamusC. EpithalamusD. CerebellumE. Reticular formation28. Sex drive, body temperature, and food and water intake are regulated by which part of the brain?A. Limbic systemB. ThalamusC. Pineal glandD. HypothalamusE. Pituitary gland29. Planning, motivation, and social judgment are functions of the brain associated with which part of the cerebrum?A. Frontal lobeB. Parietal lobeC. Occipital lobeD. InsulaE. Temporal lobe30. Which of the following is correct regarding the occipital lobe?A. It is chiefly concerned with mood, memory, and emotions.B. It is the principal visual center of the brain.C. It is the primary site for receiving and interpreting signals from the general senses.D. It is concerned with voluntary motor functions.E. It is likely to play a role in understanding spoken language.31. A predominance of which waves in an electroencephalogram (EEG) might indicate that a person is physically and mentally relaxed?A. AlphaB. BetaC. ThetaD. DeltaE. Gamma32. Short-term memory is associated with the __________, whereas long-term memory is associated with the __________.A. cerebral cortex; hippocampusB. hippocampus; cerebral cortexC. cerebral cortex; amygdalaD. amygdala; hippocampusE. hippocampus; midbrain33. Which of the following is not a motor cranial nerve?A. Trochlear nerve (IV)B. Abducens nerve (VI)C. Hypoglossal nerve (XII)D. Vestibulocochlear nerve (VIII)E. Accessory nerve (XI)34. What is the largest of the cranial nerves and the most important sensory nerve of the face?A. Accessory nerve (XI)B. Facial nerve (VII)C. Trigeminal nerve (V)D. Hypoglossal nerve (XII)E. Abducens nerve (VI)35. Which cranial nerve innervates most of the viscera in the thoracic and abdominopelvic cavities?A. Hypoglossal nerve (XII)B. Accessory nerve (XI)C. Trochlear nerve (IV)D. Abducens nerve (VI)E. Vagus nerve (X)36. Which cranial nerve pathway would be used to look cross-eyed at the tip of your nose?A. Trochlear nerve (IV)B. Oculomotor nerve (III)C. Abducens nerve (VI)D. Facial nerve (VII)E. Vagus nerve (X)37. Which of the following structures does not contain CSF?A. Dural sinusB. Lateral ventricleC. Central canalD. Subarachnoid space38. Injury to the reticular formation can result in which of the following?A. Irreversible comaB. HypertensionC. Parkinson diseaseD. Alzheimer disease39. Why is 90% of the cerebral cortex referred to as the neocortex?A. It developed recently evolutionarily when mammals diversified.B. It is only found in humans.C. It is last to develop in the fetus and is thus the youngest part of the brain.D. It has the ability to regenerate the outermost three of its six layers.40. Which of the following cranial nerves is mispaired?A. Abducens – VB. Oculomotor – IIIC. Facial – VIID. Accessory – XI41. Your dentist gives you an injection of anesthetic in preparation for a filling. Which cranial nerve did they target?A. VB. VIIC. IXD. XII