COPY: The Ultimate Nervous System Anatomy and Function Quiz
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Questions and Answers

Which part of the nervous system encompasses nerves outside the brain and spinal cord?

  • Microscopic anatomyneuron
  • Anatomy of the Brain
  • Central nervous system
  • Peripheral nervous system (correct)

    • What are the three basic functions of the nervous system?

  • Central Nervous System, Peripheral Nervous System, Microscopic Anatomyneuron
  • Anatomy of the Brain, Sensory Function, Motor Function
  • Sympathetic Function, Parasympathetic Function, Cranial Nerves
  • Sensory Function, Integrating Function, Motor Function (correct)

    • What is the role of the nervous system in the body?

  • Communication & control system
  • Monitors what is going on inside & outside of the body
  • Directing the bodies activities to correspond
  • All of the above (correct)

    • Which part of the nervous system is responsible for sending impulses to smooth muscle, cardiac muscle, and endocrine glands?

    <p>Autonomic Nervous System</p> Signup and view all the answers

    What is the function of neurons in the nervous system?

    <p>All of the above</p> Signup and view all the answers

    What is the main function of the central nervous system (CNS)?

    <p>Analyze the information</p> Signup and view all the answers

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

    <p>Sympathetic</p> Signup and view all the answers

    What is the anatomy of the nervous system?

    <p>Both central and peripheral nervous systems</p> Signup and view all the answers

    Which division of the autonomic nervous system is responsible for the rest and restore response?

    <p>Parasympathetic</p> Signup and view all the answers

    Why is it necessary to begin CPR soon after cardiac arrest

    <p>Neurons require high O2 levels</p> Signup and view all the answers

    Which system generally has an excitatory effect, increasing heart rate and dilating pupils?

    <p>Sympathetic Nervous System</p> Signup and view all the answers

    What are the structural components of neurons?

    <p>Same as other cells</p> Signup and view all the answers

    Which system helps the body replace its losses during the fight or flight response, increasing GI motility and decreasing heart rate?

    <p>Parasympathetic Nervous System</p> Signup and view all the answers

    What is the role of the peripheral nervous system (PNS)?

    <p>Link the CNS with the rest of the body</p> Signup and view all the answers

    Which part of the nervous system is responsible for contraction of the intestines and regulation of the heart rate and blood pressure?

    <p>Autonomic Nervous System</p> Signup and view all the answers

    Which two systems generally have opposite effects?

    <p>Sympathetic Nervous System and Parasympathetic Nervous System</p> Signup and view all the answers

    What is the function of cranial nerves in the nervous system?

    <p>Focus on sympathetic and parasympathetic function and effects</p> Signup and view all the answers

    Which nerves emerge from the thoracic and lumbar vertebrae?

    <p>Sympathetic Nervous System</p> Signup and view all the answers

    Which nerves emerge from the brain and spinal cord?

    <p>Parasympathetic Nervous System</p> Signup and view all the answers

    Which part of the nervous system is responsible for sending nerves that come from the brain and leave the cranium through the numerous foramen?

    <p>Cranial Nerves</p> Signup and view all the answers

    Which part of a neuron is responsible for initiating nerve impulses to the muscles?

    <p>Axon</p> Signup and view all the answers

    What is the function of the myelin sheath?

    <p>To insulate and protect the axon</p> Signup and view all the answers

    Which of the following is an example of a neurotransmitter?

    <p>Acetylcholine</p> Signup and view all the answers

    Which part of the nervous system is responsible for involuntary control of bodily functions?

    <p>Autonomic nervous system</p> Signup and view all the answers

    Which section of the brain is responsible for receiving and interpreting sensory information?

    <p>Cerebrum</p> Signup and view all the answers

    Which lobe of the cerebrum is responsible for processing visual information?

    <p>Occipital lobe</p> Signup and view all the answers

    What is the function of the cerebellum?

    <p>To allow coordinated movement and balance</p> Signup and view all the answers

    Which structure is associated with the diencephalon and is responsible for regulating body temperature and hunger?

    <p>Hypothalamus</p> Signup and view all the answers

    What is the function of the brain stem?

    <p>To control autonomic functions</p> Signup and view all the answers

    What is the role of the meninges in the central nervous system?

    <p>To provide blood vessels and cushioning</p> Signup and view all the answers

    Which sense is responsible for detecting changes in skin temperature?

    <p>Touch</p> Signup and view all the answers

    Which sense is responsible for detecting intense stimuli of any type?

    <p>Nociceptors</p> Signup and view all the answers

    Which sense is responsible for detecting body position and movement?

    <p>Proprioception</p> Signup and view all the answers

    Which sense is responsible for detecting taste?

    <p>Gustatory sense</p> Signup and view all the answers

    Which sense is responsible for detecting smell?

    <p>Olfactory sense</p> Signup and view all the answers

    Which sense is responsible for converting vibrations of air molecules into nerve impulses?

    <p>Auditory sense</p> Signup and view all the answers

    What are the visceral senses?

    <p>Senses related to internal organs</p> Signup and view all the answers

    What is the difference between superficial and central temperature sensors?

    <p>Superficial sensors detect external temperature, while central sensors detect internal temperature</p> Signup and view all the answers

    What is nociception?

    <p>The process of pain perception</p> Signup and view all the answers

    What is the structure of taste buds?

    <p>Small, rounded structures on the tongue</p> Signup and view all the answers

    What are the special senses?

    <p>Visceral sensations, touch, temperature, pain and proprioception</p> Signup and view all the answers

    Which part of the ear acts as a funnel to collect sound wave vibrations and direct them to the eardrum?

    <p>Pinna</p> Signup and view all the answers

    What is the function of the middle ear?

    <p>Amplifies and transmits vibrations from the eardrum to the inner ear</p> Signup and view all the answers

    What are the three ossicles in the middle ear?

    <p>Malleus, Incus, Stapes</p> Signup and view all the answers

    Where are the equilibrium receptors located in the inner ear?

    <p>Vestibule and semicircular canals</p> Signup and view all the answers

    What causes the tectorial membrane and the hair cells of the organ of Corti to rub against each other?

    <p>Fluid vibration in the cochlear duct</p> Signup and view all the answers

    What is proprioception?

    <p>Body position</p> Signup and view all the answers

    Which one of these is NOT a component of the conjunctiva?

    <p>Space between the bulbar and palpebral portions</p> Signup and view all the answers

    Where is the nictitating membrane located in domestic animals?

    <p>Between the eyelids and the eyeball</p> Signup and view all the answers

    What do the tarsal glands produce?

    <p>Waxy substance</p> Signup and view all the answers

    What is the function of the lacrimal apparatus?

    <p>Produce and secrete tears</p> Signup and view all the answers

    What is the name of the space between the bulbar and palpebral portions of the conjunctiva?

    <p>Conjunctival sac</p> Signup and view all the answers

    Where are the lateral and medial canthus located?

    <p>At the corners where the eyelids come together</p> Signup and view all the answers

    Which layer of the eye contains the photoreceptors that detect the image and generate visual nerve impulses?

    <p>Inner nervous layer</p> Signup and view all the answers

    What is the function of the iris in the eye?

    <p>Controls amount of light that enters the posterior part of the eyeball</p> Signup and view all the answers

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

    <p>To fill the back of the eyeball and maintain its shape</p> Signup and view all the answers

    Which layer of the retina contains the sensory receptors for vision, the rods and cones?

    <p>Photoreceptor layer</p> Signup and view all the answers

    What is the function of the lens in the eye?

    <p>To focus a clear image on the retina</p> Signup and view all the answers

    Which cells in the retina are more sensitive to light and are responsible for night vision?

    <p>Rods</p> Signup and view all the answers

    Which part of the nervous system is responsible for sending nerves that come from the brain and leave the cranium through the numerous foramen?

    <p>Peripheral nervous system</p> Signup and view all the answers

    What is the function of the myelin sheath?

    <p>To insulate and protect nerve fibers</p> Signup and view all the answers

    What is the role of the meninges in the central nervous system?

    <p>To protect and cushion the brain and spinal cord</p> Signup and view all the answers

    Which sense is responsible for converting vibrations of air molecules into nerve impulses?

    <p>Hearing</p> Signup and view all the answers

    What is the main function of the central nervous system (CNS)?

    <p>To coordinate and control the activities of the body</p> Signup and view all the answers

    Which one of these is NOT a component of the conjunctiva?

    <p>Lacrimal gland</p> Signup and view all the answers

    Which part of the ear acts as a funnel to collect sound wave vibrations and direct them to the eardrum?

    <p>Pinna</p> Signup and view all the answers

    What type of system is the nervous system

    <p>Both A and B</p> Signup and view all the answers

    Characteristics of the CNS

    <p>Central nervous system and peripheral nervous system</p> Signup and view all the answers

    Cordlike nerves that link the CNS from the rest of the body

    <p>Peripheral nervous system (PNS)</p> Signup and view all the answers

    Makes up the Brain and spinal cord

    <p>Central Nervous System (CNS)</p> Signup and view all the answers

    Functional unit of the nervous system

    <p>Neurons</p> Signup and view all the answers

    What organs is the the CNS composed of

    <p>Brain and spinal cord</p> Signup and view all the answers

    Is the PNS somatic or autonomic

    <p>Both somatic and autonomic</p> Signup and view all the answers

    4 parts of the brain are

    <p>Cerebrum, Cerebellum, Diencephalon, Brainstem</p> Signup and view all the answers

    Largest component of the brain

    <p>Cerebrum</p> Signup and view all the answers

    Receives and interprets sensory information

    <p>Cerebrum</p> Signup and view all the answers

    Initiates conscious nerve impulses to the skeletal muscles

    <p>Cerebrum</p> Signup and view all the answers

    Integrates neuron activity normally associated with conscious activity

    <p>Cerebrum</p> Signup and view all the answers

    Allows body to have coordinated movement, balance, posture, and complex reflexes

    <p>Cerebellum</p> Signup and view all the answers

    Which part of the brain is responsible for coordinating movement, balance, and posture?

    <p>Cerebellum</p> Signup and view all the answers

    What is the pathway between the brain stem and cerebrum called?

    <p>Diencephalon</p> Signup and view all the answers

    Parts of the diencephalon

    <p>Thalamus, Hypothalamus, Pituatary</p> Signup and view all the answers

    What are the three layers of connective tissue that surround the brain and spinal cord called?

    <p>Dura mater, Arachnoid, Pia mater</p> Signup and view all the answers

    Connection between the rest of the brain and the spinal cord

    <p>Brainstem</p> Signup and view all the answers

    Parts of the brainstem

    <p>medulla oblongata, pons, midbrain</p> Signup and view all the answers

    Involved in autonomic control functions related to heart, respiration, blood vessel diameter, swallowing, and vomiting

    <p>Brainstem</p> Signup and view all the answers

    Which of these is NOT a characteristic of the spinal cord

    <p>Allows body to have coordinated movement</p> Signup and view all the answers

    Increases breathing, increases heart rate, decreases GI secretions, dilates pupil

    <p>Sympathetic nervous system</p> Signup and view all the answers

    General types of stimuli that can trigger a response from sensory receptors

    <p>Thermal, mechanical, electromagnetic, chemical</p> Signup and view all the answers

    Which fluid helps protect the brain and spinal cord?

    <p>Cerebral</p> Signup and view all the answers

    What section of the brain is divided into halves and lobes?

    <p>Cerebrum</p> Signup and view all the answers

    Sensation of hunger and thirst

    <p>Visceral</p> Signup and view all the answers

    Located in the hypothalamus

    <p>Central temp receptors</p> Signup and view all the answers

    Which section of the brain is responsible for processing visual information?

    <p>Cerebrum</p> Signup and view all the answers

    Can activate mechanisms of sweating or piloerection to to correct hypothermia or hyperthermia

    <p>CNS</p> Signup and view all the answers

    Taste buds are located in

    <p>Papillae</p> Signup and view all the answers

    Which sense is responsible for detecting touch and pressure?

    <p>Tactile sense</p> Signup and view all the answers

    Special senses

    <p>Taste, smell, hearing, vision, equilibrium</p> Signup and view all the answers

    Most structures of the ear are located in the

    <p>temporal bones of the skull</p> Signup and view all the answers

    Acts as a funnel to collect soundwave vibrations and direct them to the eardrum

    <p>External ear</p> Signup and view all the answers

    Which part of the ear converts vibrations of air molecules into nerve impulses?

    <p>Cochlea</p> Signup and view all the answers

    Amplifies and transmits vibrations from the eardrum to the inner ear

    <p>Middle ear</p> Signup and view all the answers

    Contains 3 small bones called the malleus, incus, and stapes

    <p>Inner ear</p> Signup and view all the answers

    Connects middle ear cavity with the pharynx

    <p>Eustachian tube</p> Signup and view all the answers

    Equalizes air pressure on the two sides of the tympanic membrane

    <p>Eustachian tubes</p> Signup and view all the answers

    Made up of structures that contribute to both hearing and equilibrium

    <p>Inner ear</p> Signup and view all the answers

    What is the process called by which the shape of the lens is changed to allow close-up and distant vision?

    <p>Accommodation</p> Signup and view all the answers

    Which structure produces a waxy substance that helps prevent tears from overflowing onto the face?

    <p>Tarsal glands</p> Signup and view all the answers

    Where are the corners where the eyelids come together?

    <p>Lateral and medial canthus</p> Signup and view all the answers

    What is the thin transparent membrane that covers the front portion of the eyeball and lines the interior surfaces of the eyelids?

    <p>Conjunctiva</p> Signup and view all the answers

    Which structure is the third eyelid of domestic animals located medially between the eyelids and eyeball?

    <p>Nictitating membrane</p> Signup and view all the answers

    Fluid filled portion of the inner ear that contains the receptor organ for hearing

    <p>Organ of Corti</p> Signup and view all the answers

    Major layers of the eyeball

    <p>Outer fibrous layer, middle vascular layer, inner nervous layer</p> Signup and view all the answers

    Admits light to its interior and gives strength and shape to the eyeball

    <p>Fibrous layer</p> Signup and view all the answers

    Components of the fibrous layer of the eye

    <p>Cornea and Sclera</p> Signup and view all the answers

    Which bone is attached to the tympanic membrane in the middle ear?

    <p>Malleus</p> Signup and view all the answers

    Junction between cornea and sclera

    <p>Limbus</p> Signup and view all the answers

    Highly reflective area in the rear of the eye

    <p>Tapetum lucidum</p> Signup and view all the answers

    Colored part of the eye

    <p>Iris</p> Signup and view all the answers

    Ring shaped structure located immediately behind the iris, contains tiny muscles that adjust the shape of the lens for near and far vision

    <p>Ciliary body</p> Signup and view all the answers

    Is the retina and lines the back of the eye

    <p>Inner nervous layer</p> Signup and view all the answers

    Contains actual sensory receptors for vision (rods and cones)

    <p>Inner nervous layer</p> Signup and view all the answers

    Consists of mainly collagen fibers and makes up the majority of the outer fibrous layer

    <p>Sclera</p> Signup and view all the answers

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