Hemispheres 3.0 – Level I Brain Anatomy and Physiology Practice Test

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• Which dural venous sinus is the largest?
• Which brain area relates new visual experiences to old and interprets motion, color, and form?
• Which brain region is primarily responsible for coordination, balance, and muscle tone?
• Which statement about the right hemisphere is true?
• The internal carotid arteries give rise to which two major cerebral arteries?
• Where are the lateral ventricles located?
• Which region receives and processes visual input from the retina?
• Which structure is located within the ventricles and is primarily responsible for producing cerebrospinal fluid?
• Which brain structure is primarily responsible for motor function and is assisted by premotor and sensory cortices, thalamus, cerebellum, and basal ganglia?
• Which artery is most frequently affected by stroke?
• The inferior sagittal sinus drains blood from which brain regions into the straight sinus?
• Which structures are included in the basal ganglia?
• Broca's area, the motor speech area, is located in which lobe?
• The inner meningeal layer of the dura separates from the periosteal layer to form reflections that compartmentalize the brain. What are these reflections called?
• Which nerve carries taste from the anterior two-thirds of the tongue?
• What percentage of people have a complete circle of Willis?
• Which MCA segment corresponds to the cortical branches that are the most distal and extend across the lateral surfaces of the brain?
• What is the primary function of the transverse sinuses?
• Which of the following is NOT a function of CSF?
• Which of the following best describes the hypothalamus' role in homeostasis?
• Which sinus drains blood from the inferior sagittal sinus toward the transverse sinuses?
• Which arteries supply the anterior two-thirds of the cerebral hemispheres and some deeper brain structures?
• What is the thick, fibrous, vascular membrane that covers the skull surface called?
• Which auditory area is described as being involved in the perception of sound and language function?
• Which cerebellar subdivision is associated with balance and equilibrium?
• Which space lies between the dura mater and arachnoid mater and is seen when filled with blood after trauma?
• The amygdala is primarily involved in what function?
• Cerebral veins and dural venous sinuses drain blood out through which veins?
• Which artery is described as the single midline artery formed by the fusion of the vertebral arteries at the bottom of the pons?
• Which lobe is associated with recognition, sensory perception, and language?
• Through which canals do the internal carotid arteries ascend into the skull?
• Which option best matches the description: almond-shaped mass of grey matter located in the temporal lobe?
• Which parietal region stores past sensory experiences to relate new sensory input to old?
• Which term refers to the nerve cell bodies that form the thinking part of the brain and spinal cord?
• Which lobe is primarily responsible for visual processing?
• The corpus callosum is an example of which type of white matter fiber tract?
• Which potential space lies between the dura mater and the arachnoid mater and is seen when filled with blood, usually from trauma?
• The amygdala connects to which structure?
• Which area of the frontal lobe functions as the motor speech area, responsible for speech production and articulation?
• Which artery supplies blood mainly to the occipital lobe, inferior surface of the temporal lobe, midbrain, and thalamus?
• Which arteries supply the face and the anterior portion of the neck, including the tongue, palate, tonsils, larynx, salivary and thyroid glands?
• Frontal eye fields are located in which lobe?
• Which association fiber connects the parietal, temporal, occipital and frontal lobes?
• Which frontal lobe area serves as the motor speech region for speech production?
• Lenticulostriate arteries branch off which MCA segment?
• Which brain region contains the nuclei responsible for regulating autonomic functions such as respiration and heart rate?
• Which artery supplies the superior cerebellum and small penetrating branches to deeper cerebellar areas?
• Which dural fold is the second largest and separates the cerebellum from the occipital lobe of the cerebrum?
• Which ventricle is located between the pons, medulla, and cerebellum and continues to the central canal of the spinal cord?
• Which artery is the principal supplier of the occipital lobe?
• The straight sinus receives blood from the inferior sagittal sinus and drains toward which sinuses?
• Transverse sinuses drain blood toward which veins?
• Which brain region receives input from multiple cortical areas to support higher-level executive functions in the moment?
• Which sinus receives blood from the top of the brain and serves as the main sinus for CSF return?
• Identify the structure described as a gray matter collection located under the temporal lobe and shaped like a seahorse.
• The lateral ventricles communicate with the third ventricle through which foramen?
• Right and left vertebral arteries join to form which artery?
• Which artery is the largest branch off the vertebral artery?
• Type of nerve fibers in the medulla oblongata?
• Which structure relays impulses between brain and spinal cord?
• Where does the left common carotid artery originate?
• Which lobe is associated with higher thinking, voluntary movement, and speech?
• Which artery is formed by division of the basilar artery and continues to the back of the brain?
• What percentage of brain blood is provided by vertebral arteries and at what rate?
• Which region contains the primary motor cortex for face, trunk, and arms?
• Damage to ARAS may result in?
• Which structure joins the cerebrum to the spinal cord?
• What term describes white matter bundles that carry information between different parts of the brain and spinal cord?
• Which ventricle is located in the narrow channel between the cerebral hemispheres and communicates with the lateral ventricles through the foramen of Monro?
• What collects blood within the brain and allows it to exit the skull?
• The midbrain contains nuclei that coordinate eye movements and auditory reflexes. Which brain region is this describing?
• The arteries that join to form the basilar artery are part of which cerebral circulation?
• Which cerebellar region is most associated with coordinating limb movements?
• The primary function of the hippocampus is what?
• Sensory speech area - Wernicke's (dominant) is located in which lobe?
• Which statement is true about the transverse sinuses?
• Which MCA segment courses over the insular area in the lateral sulcus and commonly bifurcates into superior and inferior cortical branches?
• What is the potential space between the skull and dura mater that can fill with blood after trauma?
• Which structure enables interhemispheric communication by connecting analogous areas between the left and right hemispheres?
• Which area is the primary auditory cortex, responsible for reception of sound qualities such as pitch, rhythm, and loudness?
• Which area is involved in the perception of sound stimuli and the ability to differentiate between a scream, thunder, or music?
• Which fiber type comprises ascending or descending long tracts connecting the cerebral cortex to deep brain structures, brainstem, cerebellum, and spinal cord?
• What is the normal total cell count in CSF?
• Which nerve located in the medulla oblongata raises the pharynx to swallow or talk and carries taste from the back third of the tongue?
• Which lobe contains both the primary auditory cortex and the auditory association area?
• Which structures are located within the ventricles and form cerebrospinal fluid?
• CSF circulates through the brain and spinal cord and is reabsorbed into the venous circulation. Through which structures does this reabsorption primarily occur?
• Which artery is a single midline artery formed from the fusion of left and right vertebral arteries and located at the bottom of the pons?
• Which fibers connect regions within the same hemisphere, including short U fibers that connect adjacent gyri?
• Pyramidal decussation effect on muscles below the neck?
• Which reflex pathway area is associated with swallowing, vomiting, sneezing, and coughing?
• Which cranial nerve is responsible for the sense of smell?
• The vertebral arteries originate as the first branches of which arteries bilaterally?
• Processing pain and emotions is associated with which brain region listed here?
• Which cortical area is primarily involved in voluntary motor control?
• Which statement best describes the location of the transverse sinuses?
• What is the CSF-filled space between the arachnoid mater and pia mater that is continuous between the brain and spinal cord?
• Which region receives input from multiple cortical areas to support higher-level executive functions in the moment?
• Inferior cortical branches supply mainly which lobe?
• Which is the largest dural fold that separates the cerebrum into left and right hemispheres along the longitudinal fissure?
• Which lobe is associated with auditory processing, language, and memory?
• What term describes the area below the tentorium where the cerebellum and brainstem reside?
• Which fiber connects the speech areas of Broca and Wernicke?
• Location of the thalamus?
• Which artery connects the anterior circulation to the posterior circulation and supplies the thalamus, hypothalamus, and optic chiasm?
• Which artery supplies the thalamus, hypothalamus, and optic chiasm?
• The vertebral arteries join to form which artery?
• Which delicate, innermost layer completely lines the brain and its contours containing networks of capillaries?
• Which nerve provides facial sensation and controls chewing?
• The transverse sinuses are also known by which term?
• Which arteries carry blood from the heart to the base of the skull?
• CSF buoyancy reduces the brain’s apparent weight. Approximately what does the brain’s weight decrease from and to when supported by CSF?
• Which MCA segment is known as the opercular segments?
• Between capillaries and interstitial fluid, what structure regulates which substances reach brain tissue?
• Thalamus connects with ARAS and participates in the sleep-wake cycle?
• Which artery supplies the anterior inferior cerebellum and parts of the pons?
• Which structure is a tough, fibrous membrane composed of two layers, the periosteal and the meningeal layers?
• Ascending reticular activating system function?
• Which sinus is located in the midline between the two hemispheres, running from front to back along the inferior edge of the falx cerebri?
• Which brain area is known as the motor speech area?
• Which layer of the dura mater separates in some areas to form dural folds and venous sinuses?
• Which sinus receives blood from the inferior sagittal sinus?
• Which cranial nerve is responsible for autonomic control of the heart, lungs, and GI tract?
• Which artery supplies the lateral aspect of the medulla oblongata?
• Which structure is used as a landmark for intracranial pressure monitoring?
• Superior cortical branches of the MCA supply mainly which lobes?
• In the dominant hemisphere, usually the left, which area is associated with phonologic retrieval and comprehension of written and spoken language?
• Which brain region is involved in regulating respiration and cardiovascular autonomic functions?
• What term describes the myelinated nerve fiber tracts responsible for conduction within the brain and spinal cord?
• What term refers to the localization of a function to one side of the brain?
• The straight sinus drains blood toward which dural venous sinuses?
• Which arteries give rise to the basilar artery?
• Basal ganglia are best described as which of the following?
• Which structure connects the two hemispheres of the cerebellum?
• What is the normal intracranial pressure range?
• The hypothalamus surrounds the lower part of which ventricle?
• Which artery branches off each side of the basilar artery with small penetrating branches?
• Which cortical area is described as plans and programs movements?
• Which dural venous sinus is located at the top of the cerebrum in the falx cerebri between the two cerebral hemispheres?
• Which frontal lobe region is associated with visual attention and eye movements?
• Which artery originates from the internal carotid and is part of the circle of Willis, with collateral flow possible via the anterior communicating artery?
• PICA supplies which regions?
• The midbrain processes sight, sound, and related reflexes. Which is a correct description of its function?
• Which nerve in the pons is involved in facial expression, saliva and tear production, and taste from the anterior two-thirds of the tongue?
• Which statement is true about cerebellar nerve fibers?
• Which space lies between the arachnoid mater and pia mater and contains cerebrospinal fluid?
• Where are the transverse sinuses located?
• Which arteries supply the largest amount of blood to the head and neck?
• Motor speech area (Broca's) is located in which lobe?
• What is the normal CSF total protein range, with possible higher values in elderly and infants?
• What term describes the area above the tentorium where the cerebrum is located?
• What is the normal CSF specific gravity range?
• Which nerve innervates eye movement outward (lateral)?
• Which artery supplies the pons through perforating arteries and also supplies the cerebellum and posterior cerebrum?
• Reticular formation function?
• Which artery perfuses the frontal lobe (superior and medial aspects including primary motor cortex for leg and urinary bladder), the parietal lobe (anterior aspects including primary somatosensory cortex for leg and foot), and the corpus callosum?
• Which structure forms the largest dural fold at the midline separating the two cerebral hemispheres?
• Which circulatory system includes the internal carotid arteries and their branches ACA and MCA?
• Which lobe houses the primary visual cortex?
• Being valveless, the dural venous sinuses allow which type of blood flow?
• What channels connect the lateral ventricles with the third ventricle?
• Which dural venous sinus is described as a paired vessel located on the inside of the base of the skull running toward the ears?
• What is the normal CSF glucose value?
• Which nerve innervates most of the extraocular muscles, including eyelid elevation and pupil constriction?
• Which sinuses are described as a pair located on the inside of the base of the skull running toward the ears?
• Which cranial nerve controls tongue movement (motor)?
• Which hemisphere is typically dominant for language and analytical reasoning?
• Which of the following describes the appearance of normal CSF?
• Which term describes the mental image of sounds of a word before speaking?
• Reducing CSF volume in the skull is proposed to decrease intracranial pressure and thereby increase cerebral perfusion. Which statement best describes this effect?
• Which region of the parietal lobe controls touch, temperature, and pain on the contralateral side of the body?
• The cerebral aqueduct (of Sylvius) connects the third ventricle to which ventricle?
• Which area is responsible for recognition of familiar objects?
• Which cranial nerve carries visual information from the retina to the brain?
• Site of pyramidal decussation?
• Which portion of the reticular formation is involved in autonomic control like respiration and heart rate?
• Where does the right common carotid artery originate?
• Nerve cell bodies that form the thinking part of the brain and spinal cord are called what?
• The straight sinus is located at the junction between which structures?
• Which is the middle spiderweb-like layer?
• Which layer forms the outermost protective covering of the brain when the meninges are considered as a whole?
• Which brain region is the origin site for cranial nerves III through XII?
• Which nerve in the medulla is responsible for head turning and shoulder shrugging?
• Which brain region consists of small neural networks of gray matter with white matter tracts ascending to cortex and descending to spinal cord?
• What is the arterial circle that connects the brain's anterior and posterior blood supplies?
• The midbrain is also known as which term?
• Which nerve is responsible for eye movements downward and inward?
• What is the narrowest part of the ventricular system?
• Areas providing fine motor movement require ______ amount of cortical tissue.
• PICA stands for which artery?
• What is the final drainage path for venous blood collected by the dural venous sinuses?
• Which term includes anterior (green), flocculonodular (Orange), posterior (purple), vermis (blue)?
• Which brain lobe is described as controlling movement on the contralateral side of the body?
• What is the primary function of dural folds?
• The amygdala is described as which kind of structure?
• Pyramidal decussation occurs in which brainstem?
• Dural venous sinuses are channels between which layers of the dura mater, receiving blood from deep cerebral and superficial cortical veins to drain blood from the cranial cavity out through which veins?
• Which layer is the outermost portion that adheres to the cranial vault and serves as the periosteum of the skull?
• The medulla oblongata and cerebellum, occipital lobe, posterior temporal lobe, and thalamus are supplied by branches from which arteries?
• Projection fibers are primarily composed of which type of connection?
• Which arteries supply the brainstem, cerebellum, occipital lobe, posterior temporal lobe and thalamus?
• Which structure connects the cerebrum to the cerebellum?
• Which cerebellar region coordinates trunk movements from the neck to the hips?
• Which nerve is primarily responsible for sensation of the face and motor functions for mastication?
• Which layer is the inner layer that covers the arachnoid mater and splits in some areas to form dural folds and venous sinuses?
• Primary somatosensory cortex for face, trunk, and arms is in which lobe?
• Which nerve in the medulla provides motor to the larynx and pharynx and autonomic control of thoracic and abdominal organs, as well as visceral sensation and pharyngeal taste?
• Which cranial nerve primarily mediates most eye movements, eyelid elevation, and pupil constriction?
• Which lobe contains the primary auditory cortex?
• Which sinus is located at the junction of the falx cerebri and tentorium cerebri?
• Which artery is a single short shunt connecting the left and right anterior cerebral arteries?
• Which hemisphere functions include artistic skills and spatial orientation and typically control the left visual field and left-sided motor control?
• Which MCA segment is the horizontal segment, the most proximal main stem that begins as a wide single artery and continues horizontally under the frontal lobe?
• Which network sustains wakefulness and awareness?
• Arachnoid granulations are located in which of the following locations?
• Which structure separates the cerebellum from the occipital lobes?
• Thalamus function?
• Which structure forms CSF by filtering plasma?
• Which statement correctly describes CSF production and circulation?
• Which statement best describes the basal ganglia?
• Arachnoid granulations are specialized structures formed from which meningeal layer?
• Which arterial ring at the base of the brain forms a circular anastomosis connecting the brain's anterior and posterior circulations?
• Which area receives sensory information from the skin at the site of the stimulus from the opposite side of the body?
• Which fibers connect similar areas of the right and left hemispheres, enabling the two sides to work in tandem?
• Which structure is formed by many cranial projection fibers and is located near the basal ganglia and thalamus?
• Which MCA segment comprises the opercular segments?
• Which cerebellum part is primarily involved in balance and vestibulo-ocular reflex?
• The average CSF circulatory volume is approximately how many milliliters?
• Which artery originates from the internal carotid and is part of the circle of Willis, providing collateral flow to the opposite side via the anterior communicating artery?
• The hypothalamus regulates what aspect related to the pituitary gland?
• Where is the hypothalamus located?
• Which structure connects with the reticular activating system and plays a role in the sleep-wake cycle?
• CSF is formed by filtration of plasma in the choroid plexus. Which structure is primarily responsible for CSF formation?
• Which nerve is responsible for hearing and balance?
• Which hemisphere functions are usually dominant for language and analytical reasoning?
• Which nerve carries taste from the posterior third of the tongue?
• CSF is produced at a rate of about 500 ml per day. Which of the following represents this rate?
• Perception of body in space (nondominant hemisphere) is located in which lobe?