Brain Layers and Structures Quiz

Which layer of the brain covers the outer surface of the brain?

Which layer of the brain is attached to the inner surface of the skull?

Which layer of the brain folds inward in several areas?

Which layer of the brain is the tough outermost layer?

What is the name of the layer that is attached to the inner surface of the skull?

What is the name of the outer covering of the brain?

Which layer of the brain is responsible for reabsorbing cerebrospinal fluid?

Which layer of the brain clings to the surface of the brain?

What is the name of the weblike extensions that span the subarachnoid space?

Which layer of the meninges is responsible for reabsorbing cerebrospinal fluid?

What is the name of the layer that spans the subarachnoid space with weblike extensions?

Which layer of the meninges clings to the surface of the brain?

Which of the following is responsible for forming cerebrospinal fluid?

Where is cerebrospinal fluid circulated?

What is the function of cerebrospinal fluid?

Which of the following is responsible for forming cerebrospinal fluid?

Where is cerebrospinal fluid circulated?

What is the function of cerebrospinal fluid?

Through which structures does cerebrospinal fluid flow into the subarachnoid space?

Where is cerebrospinal fluid absorbed?

What is responsible for producing cerebrospinal fluid?

Hydrocephalus is the condition where

Hydrocephalus is more likely to occur in newborns because

If hydrocephalus is not treated in adults, it can lead to

Which substance is NOT effectively excluded by the capillaries described in the text?

Includes the least permeable capillaries of the body

Which of the following substances is NOT mentioned as being excluded by the capillaries described in the text?

Which of the following substances is NOT mentioned as being excluded by the capillaries described in the text?

Which of the following is a characteristic of the capillaries described in the text?

Where is cerebrospinal fluid circulated?

Which of the following substances can pass through the blood-brain barrier?

Which of the following substances are prevented from passing through the blood-brain barrier?

Which of the following is a characteristic of the blood-brain barrier?

Which of the following substances can pass through the blood-brain barrier?

What substances are prevented from passing through the blood-brain barrier?

Which of the following items are considered water-soluble and can travel through the blood-brain barrier?

Which type of traumatic brain injury involves slight brain injury with no permanent brain damage?

What happens in a contusion?

What is cerebral edema characterized by?

Which type of traumatic brain injury involves nervous tissue destruction that does not regenerate?

Which of the following is a characteristic of cerebral edema?

What happens to nervous tissue in a concussion?

Which of the following is a common result of a Cerebrovascular Accident (CVA)?

What is the term for damage to the speech center in the left hemisphere of the brain?

What is a Transient Ischemic Attack (TIA)?

Which of the following is a common symptom of a Cerebrovascular Accident (CVA)?

What is the term for damage to the speech center in the left hemisphere of the brain?

What is a Transient Ischemic Attack (TIA)?

Which age group is most commonly affected by Alzheimer's Disease?

What are some of the symptoms experienced by victims of Alzheimer's Disease?

What are some of the structural changes in the brain associated with Alzheimer's Disease?

Which of the following is a progressive degenerative brain disease?

Which age group is most commonly affected by Alzheimer's Disease?

Which vertebra does the spinal cord end around?

How many pairs of spinal nerves arise from the spinal cord?

What is the cauda equina?

How many pairs of spinal nerves arise from the spinal cord?

What is the cauda equina?

Which part of the body does the spinal cord extend from?

What is the function of the spinal cord?

Which part of the body contains 70 percent of all sensory receptors?

How many nerve fibers does each eye have?

Where is most of the eye enclosed?

Which layer of the eye is enclosed in a bony orbit?

What surrounds most of the eye and provides cushioning?

What is the main function of the bony orbit?

Which structure of the eye provides cushioning and surrounds most of the eye?

What are the accessory structures of the eye?

Which structure of the eye helps in controlling the movement of the eye?

Which accessory structure of the eye produces an oily secretion that lubricates the eye?

What is the function of the ciliary glands in the eye?

Where are the ciliary glands located?

Which membrane lines the eyelids and connects to the outer surface of the eye?

What is the function of the conjunctiva?

What does the conjunctiva secrete?

Which gland produces lacrimal fluid?

Which structure drains lacrimal fluid from the eyes medially?

Where does the nasolacrimal duct empty lacrimal fluid?

Which structure drains lacrimal fluid from the eyes medially?

What do lacrimal secretions (tears) contain?

What is the function of the lacrimal apparatus?

Which of the following is NOT a component of lacrimal secretions (tears)?

What is the function of lysozyme in lacrimal secretions (tears)?

Which of the following is a function of lacrimal secretions (tears)?

Which of the following is the function of the lacrimal apparatus?

Where does the lacrimal apparatus empty into?

What are the main functions of tears produced by the lacrimal apparatus?

Which substance is NOT found in lacrimal secretions (tears)?

What is the function of lysozyme in lacrimal secretions (tears)?

Where are the ciliary glands located?

Which of the following structures attach to the outer surface of the eye and produce eye movements?

How many extrinsic eye muscles attach to the outer surface of each eye?

What are the accessory structures of the eye?

Which layer of the eye allows for light to pass through and repairs itself easily?

What is the main function of the sclera?

Which human tissue can be transplanted without fear of rejection?

Which layer of the eye is known as the 'white of the eye' when seen anteriorly?

What are the layers forming the wall of the eyeball?

What are humors in relation to the eyeball?

Which layer forms the outside layer of the eyeball?

Which layer forms the middle layer of the eyeball?

Which layer forms the inside layer of the eyeball?

Which layer of the eye regulates the amount of light entering the eye?

What is the function of the choroid in the eye?

What is the modified anterior structure of the choroid that is attached to the lens by the ciliary zonule?

Which structure of the eye regulates the amount of light entering the eye?

What is the rounded opening in the iris called?

What is the name of the ligament that attaches the lens to the ciliary body?

Which layer of the retina absorbs light and prevents it from scattering?

What are the receptor cells found in the inner neural layer of the retina?

Which layer of the retina contains the photoreceptors?

Which of the following is a risk factor for developing cataracts?

What happens to the lens in individuals with cataracts?

What is the result of cataracts in the affected eye?

Which of the following is a risk factor for developing cataracts?

What is the main function of the suspensory ligament attached to the ciliary body?

What happens to vision when the lens becomes hard and opaque with age?

Which chamber of the eye contains vitreous humor?

What is the function of the aqueous humor?

Which segment of the eye is located anterior to the lens?

Which layer of the eye prevents light from scattering?

What is the function of the ciliary zonule (suspensory ligament)?

What is the main function of the iris?

Which layer of the eye is responsible for preventing light from scattering?

What is the function of the ciliary zonule (suspensory ligament)?

What is the main function of the iris?

Which layer of the retina contains the receptor cells (photoreceptors)?

What is the function of the outer pigmented layer of the retina?

Which type of cells are responsible for color vision in the retina?

What is the function of the ganglion cells in the retina?

What is the purpose of the optic disc in the eye?

How do signals leave the retina and travel towards the brain?

Which type of neurons carry signals from photoreceptors to ganglion cells?

Where do signals leave the retina towards the brain?

What is the function of the optic disc (blind spot)?

Which type of cells are responsible for vision in dim light and peripheral vision?

What is the color perception of all perception in the retina?

Where are most rods found in the retina?

Which type of cells are responsible for vision in dim light and peripheral vision?

What is the color perception of all perception in the retina?

Where are most rods located in the retina?

What is the function of rods in the retina?

Where are most rods found in the retina?

What is the color perception of the rods in the retina?

Which part of the retina allows for detailed color vision?

Where is the fovea centralis located?

Which area of the retina has the sharpest vision?

Which part of the retina allows for detailed color vision?

What is the area of the retina with only cones called?

Where are no photoreceptor cells found in the retina?

Which layer of the eye is responsible for cone sensitivity?

How many types of cones are there in the eye?

What is the result of the lack of one cone type in the eye?

Which layer of the eye is responsible for cone sensitivity?

Which types of cones are found in the eye?

What is the cause of color blindness?

Which layer of the eye is responsible for cone sensitivity?

How many types of cones are there in the eye?

What is the cause of color blindness?

Which layer of the eye is responsible for cone sensitivity?

How many types of cones are there in the eye?

What causes color blindness?

Which structure holds the lens in place in the eye?

What is the shape of the lens in the eye?

What is the function of the suspensory ligament in the eye?

Which of the following is a risk factor for developing cataracts?

What is the eventual outcome of cataracts in the affected eye?

What happens to the lens with age in the case of cataracts?

Which of the following is a risk factor for developing cataracts?

What happens to vision when the lens becomes hard and opaque with age?

What is the main cause of blindness in the affected eye in cataracts?

Which of the following risk factors is NOT associated with cataracts?

What is the main cause of blindness in the affected eye due to cataracts?

Which age group is most commonly affected by cataracts?

Which chamber of the eye is anterior to the lens?

Which chamber of the eye is posterior to the lens?

What fluid is found in the anterior segment of the eye?

Which chamber of the eye is posterior to the lens?

What is the fluid found in the anterior segment of the eye?

What divides the eye into two chambers?

Which fluid is found between the lens and cornea in the eye?

Where is the aqueous humor reabsorbed into the venous blood?

What is the function of the aqueous humor in the eye?

Which fluid is found between the lens and cornea in the eye?

What structure reabsorbs the aqueous humor into venous blood?

What is the function of the aqueous humor in the eye?

Which structure is located posterior to the lens and helps maintain intraocular pressure?

What is the function of the vitreous humor in the eye?

Which of the following is a characteristic of the vitreous humor in the eye?

Which substance is located posterior to the lens in the eye?

What is the function of the vitreous humor in the eye?

What is the role of the vitreous humor in the eye?

Which part of the eye must change shape to focus on closer objects?

What is the function of the cornea in the eye?

What is the purpose of accommodation in vision?

Which of the following statements about the image formed on the retina is correct?

What are the characteristics of real images?

What is the correct order of the characteristics of real images formed on the retina?

Through which structure does light enter the eye?

Which structure focuses the light onto the retina?

Which fluid-filled structure helps maintain the shape of the eye?

Which structure allows light to enter the eye?

Which fluid fills the space between the cornea and the lens?

Which part of the eye is responsible for forming the image on the retina?

Which structure allows light to enter the eye?

What is the function of the aqueous humor in the eye?

Which structure is responsible for focusing light onto the retina?

Which structure is responsible for the crossover of fibers from the medial side of each eye to the opposite side of the brain?

Where do the optic tracts contain fibers from?

What is the function of the optic tracts?

Where do fibers from the medial side of each eye cross over to the opposite side of the brain?

Which fibers are contained in the optic tracts?

What is the function of the optic chiasma?

Which part of the brain is responsible for depth perception?

What is the main function of the optic cortex?

What is the significance of inputs from both eyes to each optic cortex?

Which structure is responsible for transmitting nerve impulses from the retina of the eye into the brain?

What is the name of the pathway through which nerve impulses travel from the retina to the visual cortex in the brain?

Which lobe of the brain contains the visual cortex?

Which structure is responsible for transmitting nerve impulses from the retina of the eye into the brain?

Where is the visual cortex located in the brain?

Which structure connects the optic chiasma to the thalamus?

Which muscles control the constriction of pupils in response to bright light?

What reflex is responsible for the accommodation of the eye when viewing close objects?

What reflex causes the eyes to move medially when viewing close objects?

Which part of the nervous system controls the internal muscles of the eye?

What reflex causes the pupils to constrict in response to bright light?

What happens to the eyes when viewing close objects?

Which condition occurs when distant objects appear blurry because light from those objects fails to reach the retina and is focused in front of it?

What is the result of an eyeball that is too long in relation to its focusing power?

Which condition is characterized by the eye focusing images correctly on the retina?

Which condition occurs when an eyeball is too long, causing distant objects to appear blurry?

What is the correct term for the condition where the eye focuses images correctly on the retina?

What happens to light from distant objects in the eyes of someone with myopia?

Which of the following is a characteristic of hyperopia (farsightedness)?

What is the main cause of hyperopia (farsightedness)?

Which condition is characterized by blurry near vision and clear distant vision?

Which of the following is a common symptom of astigmatism?

What causes astigmatism?

What is the main cause of blurry images in astigmatism?

Which condition is caused by the lack of one type of cone in the eye?

What is the main symptom of night blindness?

What is the main cause of color blindness?

Which condition is caused by the lack of one type of cone in the eye?

What is the term for inhibited rod function that hinders the ability to see at night?

What is the term for genetic conditions that result in the inability to see certain colors?

Which condition can cause blindness due to increasing pressure within the eye?

What is the term for the loss of the same side of the visual field of both eyes?

Which senses are housed in the ear?

What type of receptors are found in the ear?

Where are the receptors for hearing and equilibrium located?

Which area of the ear is responsible for transmitting sound waves from the environment to the middle ear?

Which area of the ear contains the eardrum and three small bones called ossicles?

Which area of the ear is responsible for converting sound vibrations into electrical signals that can be interpreted by the brain?

Which structure of the ear is involved in hearing only?

What is the function of the external acoustic meatus (auditory canal)?

What lines the external acoustic meatus (auditory canal)?

Which structure is involved in hearing only?

What is the function of the external acoustic meatus?

What is the function of the ceruminous glands in the external ear?

Which tube connects the middle ear with the throat?

What is the function of the tympanic membrane?

What does the open auditory tube allow for?

Which bones are responsible for transmitting vibrations from the tympanic membrane to the oval window of the inner ear?

How many bones span the middle ear cavity?

Which part of the inner ear is responsible for hearing?

What fluid fills the inner ear?

Which part of the inner ear is suspended in perilymph and contains endolymph?

Which sense organs are included in the Inner Ear or Bony Labyrinth?

Which fluid fills the Inner Ear or Bony Labyrinth?

Which bony chambers are found within the temporal bone?

What are the two functional parts of the vestibular apparatus?

What are the equilibrium receptors of the inner ear called?

Which sense uses chemoreceptors and is stimulated by chemicals in solution?

Which sense can differentiate a large range of chemicals?

Which senses complement each other and respond to many of the same stimuli?

Which sense uses chemoreceptors to be stimulated by chemicals in solution?

What is the main difference between taste and smell?

How do taste and smell senses complement each other?

Which part of the nasal cavity contains olfactory receptors?

What are the long cilia on olfactory receptor cells called?

Where are chemicals detected by olfactory receptors?

Where are olfactory receptors located?

What do olfactory receptors detect?

Where are impulses transmitted via the olfactory filaments?

Where are taste buds located?

Which of the following is NOT a location of taste buds?

What do taste buds house?

Which type of papillae on the tongue are sharp and do not contain taste buds?

Where are taste buds found on the tongue?

Which type of papillae on the tongue are large and have taste buds?

Which type of papillae on the tongue have taste buds?

Where are taste buds found on the tongue?

Which type of papillae on the tongue do not have taste buds?

Which type of papillae on the tongue have taste buds?

Where are taste buds located on the tongue?

Which type of papillae on the tongue are sharp and do not have taste buds?

Which cranial nerve is responsible for carrying impulses to the gustatory complex?

What replaces taste buds frequently?

Which cranial nerve is NOT responsible for carrying impulses to the gustatory complex?

Which cranial nerve is responsible for carrying impulses to the gustatory complex?

Where are taste buds found?

What replaces taste buds frequently?

Which part of the spinal cord is the cauda equina located?

What is the function of the cauda equina?

What is the cauda equina composed of?

Which part of the spinal cord houses motor neurons of the somatic nervous system?

What type of information do the dorsal horns of the spinal cord receive?

What fills the central canal of the spinal cord?

Which part of the spinal cord carries impulses from the brain to skeletal muscles?

What type of tracts conduct impulses toward the brain?

What does the exterior white matter of the spinal cord consist of?

Which part of the spinal cord carries impulses from the brain to skeletal muscles?

What is the function of the dorsal columns in the spinal cord?

What do motor (efferent) tracts in the spinal cord carry?

Which columns are found in the exterior white matter of the spinal cord?

What do sensory tracts in the spinal cord conduct?

What is the function of motor tracts in the spinal cord?

Which part of the spinal cord carries impulses from the brain to skeletal muscles?

What do the sensory tracts in the spinal cord conduct?

What is the function of the exterior white mater in the spinal cord?

Which part of the spinal cord carries sensory impulses towards the brain?

Which part of the spinal cord carries motor impulses from the brain to skeletal muscles?

What is the main function of the exterior white mater of the spinal cord?

Which layer covers the spinal cord?

Where do spinal nerves leave in relation to each vertebra?

What is contained in the ventral root of the spinal cord?

Which part of the spinal cord contains axons?

What is the function of the dorsal root ganglia?

Where do spinal nerves leave at the level of each vertebra?

Which of the following is true about spinal nerves?

How many pairs of spinal nerves are there in total?

What are spinal nerves formed by?

Spinal nerves are formed by the combination of which two roots?

How many pairs of spinal nerves are there in total?

What are spinal nerves named for?

Which branch of a spinal nerve contains both motor and sensory fibers?

What do the dorsal rami of spinal nerves serve?

What do the ventral rami of spinal nerves form?

Which part of a spinal nerve contains both motor and sensory fibers?

What do the dorsal rami of spinal nerves serve?

What do the ventral rami of spinal nerves form?

Which region of the body does the sciatic nerve serve?

Which of the following is the largest nerve in the body?

What are spinal nerve plexuses?

Which plexus is responsible for serving the motor and sensory needs of the limbs?

Which region of the body does the sciatic nerve serve?

How many spinal nerve plexuses are there?

Which region of the body does the sciatic nerve serve?

What are spinal nerve plexuses?

Which nerve is the largest in the body?

Which subdivision of the autonomic nervous system regulates activities of cardiac and smooth muscles and glands?

What is another name for the autonomic nervous system?

Which subdivision of the autonomic nervous system consists only of motor nerves?

Which subdivision of the autonomic nervous system regulates activities of cardiac and smooth muscles and glands?

What is another name for the autonomic nervous system?

Which division of the autonomic nervous system consists only of motor nerves?

Which division of the autonomic nervous system is responsible for the 'fight or flight' response?

Which of the following is NOT a stimulus that triggers the sympathetic division?

What does the sympathetic division of the autonomic nervous system do when it takes over?

Which division of the autonomic nervous system is responsible for the 'fight or flight' response?

Which activities does the sympathetic division of the autonomic nervous system take over to increase?

Which activities can be associated with the sympathetic division of the autonomic nervous system?

Which division of the autonomic nervous system is responsible for the 'fight or flight' response?

Which activities does the sympathetic division of the autonomic nervous system take over to increase?

How can you remember the sympathetic division of the autonomic nervous system?

Which division of the autonomic nervous system is responsible for 'housekeeping' activities and conserving energy?

Which of the following functions is NOT performed by the parasympathetic division of the autonomic nervous system?

How can you remember the parasympathetic division of the autonomic nervous system?

Which division of the autonomic nervous system is responsible for "housekeeping" activities and maintaining daily necessary body functions?

Which division of the autonomic nervous system is often referred to as the "D" division?

Which activities are regulated by the parasympathetic division of the autonomic nervous system?

Which division of the autonomic nervous system is responsible for 'housekeeping' activities such as digestion, defecation, and diuresis?

What is the main function of the parasympathetic division of the autonomic nervous system?

How can you remember the parasympathetic division of the autonomic nervous system?

During which stage of embryonic development is the nervous system formed?

What can be the consequence of maternal infection during pregnancy?

Which area of the brain is one of the last to develop?