1) What is the main function of the Reticular Activating System (RAS)? a) Control fine motor b) Regulate breathing c) Maintain wakefulness consciousness d) Coordinate balance 2) Which structure is likely injured with slow heart rate and irregular breathing? a) Cerebellum b) Medulla oblongata c) Basal nuclei d) Occipital lobe 3) In Parkinson’s disease, which structure degenerates? a) Hippocampus b) Basal nuclei c) Thalamus d) Corpus callosum 4) What is the primary function of the hippocampus? a) Regulates respiration b) Coordinates posture c) Forms long-term memories d) Controls balance 5) What is recommended for your eyes on a high-speed ride? a) Keep eyes closed b) Keeping eyes open helps the brain reconcile visual information with movement, reducing sensory conflict c) Alternate opening d) It does not matter 6) Which is part of the peripheral nervous system? a) Brainstem b) Gray matter c) Dorsal horn d) Facial nerve 7) Which neuron type has the fastest conduction velocity? a) Unmyelinated small fiber b) Myelinated small fiber c) Unmyelinated medium fiber d) Myelinated large fiber 8) Correct order of meninges from skull to brain? a) Pia → Arachnoid → Dura b) Arachnoid → Dura → Pia c) Dura → Arachnoid → Pia d) Dura → Pia → Arachnoid 9) Where is the sensation perceived if tickled on the right index finger? a) Left frontal lobe b) Right parietal lobe c) Left parietal lobe d) Right temporal lobe 10) What is the main function of the thalamus? a) Produces cerebrospinal fluid b) Processes sensory information c) Stores long-term memory d) Regulates balance 11) What is the function of the corpus callosum? a) Regulates autonomic responses b) Connects hemispheres c) Controls facial expression d) Initiates motor output 12) Which area has the largest representation in the primary somatosensory cortex? a) Back b) Toes c) Cheek region d) Abdomen 13) Which brain region forms emotional connections with sensations and memories? a) Thalamus b) Hippocampus c) Limbic system d) Cerebellum 14) What is the function of the cerebellum? a) Hearing b) Visual processing c) Coordination of movement d) Hormone release 15) What is the function of the basal nuclei? a) Fine touch sensation b) Motor patterns regulation c) Speech production d) Breathing rhythm 16) Which lobes are separated by the lateral sulcus? a) Parietal and occipital b) Frontal and temporal c) Occipital and temporal d) Frontal and occipital 17) Which lobes are separated by the central sulcus? a) Temporal and parietal b) Frontal and parietal c) Occipital and temporal d) Frontal and occipital 18) Where is Broca’s area located? a) Left parietal lobe b) Right frontal lobe c) Left frontal lobe d) Temporal lobe 19) Which cranial nerve moves the eye laterally? a) CN III (Oculomotor) b) CN IV (Trochlear) c) CN VI (Abducens) d) CN II (Optic) 20) Which cranial nerve moves the right eye to the right (abduction)? a) CN III b) CN VI c) CN IV d) CN II 21) Which pathway passes through the medulla? a) Vestibulospinal extrapyramidal b) All the above c) Dorsal column-medial lemniscus d) Spinothalamic tract 22) Which cranial nerve is responsible for hearing and balance? a) CN VI b) CN VIII c) CN X d) CN V 23) Which cranial nerve controls facial expression? a) CN V b) CN VII c) CN IX d) CN X 24) From which plexus do the nerves of the arm originate? a) Cervical b) Sacral c) Brachial d) Lumbar 25) Which region has the most pairs of spinal nerves? a) Thoracic b) Lumbar c) Cervical d) Sacral 26) Which region has the fewest spinal nerves? a) Sacral b) Cervical c) Coccygeal d) Thoracic 27) Which cranial nerve carries sensory information from the face? a) CN V b) CN VII c) CN IX d) CN I 28) Which cranial nerve carries taste from the anterior 2/3 of the tongue? a) CN IX b) CN X c) CN VII d) CN V 29) Which cranial nerve carries sensory information from the eye? a) CN II b) CN III c) CN V d) CN VII 30) Which cranial nerve has major connections to organs in the thorax and abdomen? a) CN V b) CN VII c) CN X d) CN XI 31) Which plexus innervates the leg? a) Cervical b) Lumbar and sacral c) Brachial d) Celiac 32) What is the function of endoneurium? a) Protects axons b) Forms myelin c) Transmits signals d) Stores ions 33) Which glial cell forms myelin in the CNS? a) Astrocyte b) Oligodendrocyte c) Schwann cell d) Microglia 34) Which glial cell supports neurons in the PNS? a) Astrocyte b) Satellite cell c) Microglia d) Ependymal cell 35) Which brain region regulates heart rate? a) Cerebellum b) Medulla oblongata c) Thalamus d) Pons 36) What is the role of the brainstem? a) Memory storage b) Regulate vital functions c) Visual processing d) Speech production 37) Which layer is closest to the brain? a) Dura mater b) Arachnoid mater c) Pia mater d) Epidural space 38) What does the sensory homunculus represent? a) Motor control b) Sensory distribution c) Cognitive function d) Emotional response 39) Which plexus innervates the diaphragm? a) Brachial b) Cervical c) Lumbar d) Sacral 40) What is the function of dorsal roots? a) Motor output b) Sensory input c) Hormone release d) Blood supply 41) What triggers an action potential? a) Ion channel opening b) Neurotransmitter release c) Hormone binding d) Protein synthesis 42) Which ion is crucial for action potential? a) Calcium b) Sodium c) Potassium d) Chloride 43) Which structure connects the brain to the spinal cord? a) Cerebellum b) Brainstem c) Thalamus d) Hypothalamus 44) Which glial cell acts as the immune defense in the CNS? a) Astrocyte b) Microglia c) Oligodendrocyte d) Ependymal cell 45) Which part of the brain is responsible for balance? a) Cerebrum b) Cerebellum c) Brainstem d) Thalamus 46) Which ion channel opens first during an action potential? a) Potassium b) Sodium c) Calcium d) Chloride 47) What is the role of Schwann cells? a) Form myelin in PNS b) Form myelin in CNS c) Support blood-brain barrier d) Produce cerebrospinal fluid 48) Which brain region is involved in speech production? a) Broca's area b) Wernicke's area c) Occipital lobe d) Parietal lobe 49) Which nerve plexus supplies the lower limbs? a) Cervical b) Lumbar c) Brachial d) Celiac 50) Which glial cell lines the ventricles of the brain? a) Astrocyte b) Ependymal cell c) Microglia d) Oligodendrocyte 51) Which brain region is responsible for processing visual information? a) Frontal lobe b) Occipital lobe c) Temporal lobe d) Parietal lobe 52) Which glial cell forms myelin in the PNS? a) Astrocyte b) Schwann cell c) Oligodendrocyte d) Microglia 53) What is the primary function of the brainstem? a) Regulate vital functions b) Memory storage c) Visual processing d) Speech production 54) Which pathway is part of the extrapyramidal system? a) Corticospinal b) Vestibulospinal c) Corticobulbar d) Vestibulospinal None of the above 55) What is the role of the meninges? a) Protect CNS b) Transmit signals c) Store nutrients d) Produce hormones 56) Which brain region is involved in motor control? a) Cerebellum b) Thalamus c) Hippocampus d) Amygdala 57) What is the function of cerebrospinal fluid (CSF)? a) Cushion brain b) Transmit signals c) Store energy d) Regulate hormones 58) Which pathway controls voluntary movement? a) Extrapyramidal b) Corticospinal c) Vestibulospinal d) Reticulospinal 59) What is the function of the motor homunculus? a) Motor control map b) Sensory map c) Memory storage d) Visual processing 60) Which glial cell supports neurons in the CNS? a) Astrocyte b) Schwann cell c) Satellite cell d) Ependymal cell 61) What is the primary function of the corticobulbar pathway? a) Control facial muscles b) Regulate heart rate c) Coordinate balance d) Process sensory input 62) Which brain region is involved in speech comprehension? a) Wernicke's area b) Broca's area c) Occipital lobe d) Parietal lobe 63) What is the role of the postcentral gyrus? a) Sensory processing b) Motor control c) Memory storage d) Visual processing 64) Which glial cell acts as a macrophage in the CNS? a) Microglia b) Astrocyte c) Oligodendrocyte d) Ependymal cell 65) What is the function of the extrapyramidal pathways? a) Regulate involuntary movement b) Control voluntary movement c) Process sensory input d) Store memories 66) Which brain region is responsible for forming new memories? a) Hippocampus b) Cerebellum c) Thalamus d) Amygdala 67) Which glial cell lines the ventricles? a) Ependymal cell b) Astrocyte c) Microglia d) Oligodendrocyte 68) What is the function of the corticospinal pathway? a) Control voluntary movement b) Regulate heart rate c) Coordinate balance d) Process sensory input 69) Which brain region is involved in emotional processing? a) Amygdala b) Cerebellum c) Thalamus d) Hippocampus 70) What is the primary function of the thalamus? a) Relay sensory information b) Control motor function c) Regulate emotions d) Store memories 71) Which glial cell forms the blood-brain barrier? a) Astrocyte b) Microglia c) Oligodendrocyte d) Ependymal cell 72) Which cranial nerve is responsible for smell? a) CN I (Olfactory) b) CN II (Optic) c) CN III (Oculomotor) d) CN IV (Trochlear) 73) Which cranial nerve controls tongue movement? a) CN VII (Facial) b) CN IX (Glossopharyngeal) c) CN XII (Hypoglossal) d) CN X (Vagus) 74) Which cranial nerve is involved in vision? a) CN I (Olfactory) b) CN II (Optic) c) CN III (Oculomotor) d) CN IV (Trochlear) 75) Which cranial nerve innervates the heart? a) CN V (Trigeminal) b) CN VII (Facial) c) CN IX (Glossopharyngeal) d) CN X (Vagus) 76) Which cranial nerve controls shoulder movement? a) CN XI (Accessory) b) CN XII (Hypoglossal) c) CN IX (Glossopharyngeal) d) CN X (Vagus) 77) Which cranial nerve is responsible for taste? a) CN V (Trigeminal) b) CN VII (Facial) c) CN IX (Glossopharyngeal) d) CN X (Vagus) 78) Which cranial nerve is involved in hearing? a) CN V (Trigeminal) b) CN VII (Facial) c) CN VIII (Vestibulocochlear) d) CN IX (Glossopharyngeal) 79) Which cranial nerve controls eye movement? a) CN III (Oculomotor) b) CN IV (Trochlear) c) CN VI (Abducens) d) CN V (Trigeminal) 80) Which cranial nerve is responsible for facial sensation? a) CN V (Trigeminal) b) CN VII (Facial) c) CN IX (Glossopharyngeal) d) CN X (Vagus) 81) Which cranial nerve is involved in swallowing? a) CN IX (Glossopharyngeal) b) CN X (Vagus) c) CN XI (Accessory) d) CN XII (Hypoglossal) 82) What is the main function of the CNS? a) Control reflexes b) Process information c) Transmit signals d) Store nutrients 83) Which part of the PNS controls voluntary movements? a) Autonomic b) Somatic c) Sympathetic d) Parasympathetic 84) What does the sympathetic nervous system do? a) Calms the body b) Stimulates digestion c) Prepares for action d) Regulates sleep 85) Which structure is part of the CNS? a) Spinal cord b) Cranial nerves c) Spinal nerves d) Ganglia 86) What is the role of the parasympathetic nervous system? a) Increase heart rate b) Stimulate digestion c) Dilate pupils d) Inhibit salivation 87) Which cells form myelin in the PNS? a) Astrocytes b) Oligodendrocytes c) Schwann cells d) Microglia 88) What is the function of sensory neurons? a) Transmit motor signals b) Process information c) Carry sensory input d) Store memories 89) Which part of the brain is involved in balance? a) Cerebrum b) Cerebellum c) Brainstem d) Thalamus 90) What is the role of motor neurons? a) Transmit sensory signals b) Control voluntary muscles c) Store memories d) Regulate emotions 91) Which system is responsible for 'fight or flight'? a) Somatic b) Sympathetic c) Parasympathetic d) Central 92) What is the primary role of the spinal cord? a) Store memories b) Transmit signals c) Regulate emotions d) Produce hormones 93) Which part of the PNS controls involuntary actions? a) Somatic b) Autonomic c) Central d) Peripheral 94) What is the function of interneurons? a) Connect sensory and motor neurons b) Transmit sensory signals c) Control voluntary muscles d) Store nutrients 95) Which nervous system calms the body? a) Sympathetic b) Parasympathetic c) Central d) Somatic 96) Which cells support neurons in the CNS? a) Schwann cells b) Astrocytes c) Satellite cells d) Ependymal cells 97) What is the function of the thalamus? a) Relay sensory information b) Control motor function c) Regulate emotions d) Store memories 98) Which part of the brain processes visual information? a) Frontal lobe b) Occipital lobe c) Temporal lobe d) Parietal lobe 99) What is the primary function of the cerebellum? a) Coordinate movement b) Store memories c) Process emotions d) Regulate hormones 100) Which part of the brain is involved in speech production? a) Broca's area b) Wernicke's area c) Occipital lobe d) Parietal lobe

Test 3 CNS & PNS

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