The Ultimate Nervous System Anatomy and Functions Quiz

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60 Questions

Which part of a neuron is responsible for receiving and interpreting sensory information?

Dendrites

What is the function of the myelin sheath?

To provide cushioning and blood vessels

Which neurotransmitter is responsible for regulating muscle movement?

Acetylcholine

Which division of the nervous system is responsible for voluntary movements?

Somatic Nervous System

Which part of the brain is responsible for higher order functions?

Cerebrum

What is the function of the cerebellum?

To control the accuracy of movements

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

Hypothalamus

What is the function of the brain stem?

To be the connection between the brain and spinal cord

What is the function of the meninges?

To provide cushioning and blood vessels

What is the function of the peripheral nervous system?

To form the communication network between the CNS and the body parts

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

Sympathetic Nervous System

Which system generally has opposite effects to the sympathetic nervous system?

Parasympathetic Nervous System

Which system is responsible for the 'fight or flight' response?

Sympathetic Nervous System

Which system is responsible for the 'rest and restore' response?

Parasympathetic Nervous System

Which system increases heart rate and decreases GI secretions?

Sympathetic Nervous System

Which system decreases heart rate and increases GI motility?

Parasympathetic Nervous System

Which system dilates the pupil?

Sympathetic Nervous System

Which system constricts the pupil?

Parasympathetic Nervous System

Which system sends nerves that emerge from the thoracic and lumbar vertebrae?

Sympathetic Nervous System

Which system sends nerves that emerge from the brain and spinal cord?

Parasympathetic Nervous System

Which part of the nervous system consists of the brain and spinal cord?

Central nervous system

What are the three basic functions of the nervous system?

Sensory Function, Integrating Function, and Analyzing Function

Which part of the nervous system links the central nervous system with the rest of the body?

Peripheral nervous system

What is the main function of the sympathetic and parasympathetic nervous systems?

Monitoring internal and external body activities

What does the nervous system do in response to the information it receives?

Analyzes the information

What are the two main components of the nervous system?

Central nervous system and Peripheral nervous system

What is the shape of neurons adapted for?

Transmitting impulses over long distances

What is the main reason why neurons require high levels of oxygen?

To support their high metabolic activity

Do all neurons look the same physically?

No, neurons can look physically different depending on their location in other parts of the body

Can neurons reproduce?

No, they cannot reproduce

Which type of cell is considered the functional cell of the nervous system?

Neuron

Which type of receptors are widely distributed inside and on the surface of the body, except in the brain?

Nociceptors

Which sense is responsible for detecting the position and movement of the body?

Proprioception

Which type of receptors are found in taste buds in the oral cavity?

Gustatory receptors

Which sense converts vibrations of air molecules into nerve impulses?

Hearing

Which structure in the nasal passages is responsible for detecting odors?

Olfactory cells

Which part of the eye produces a waxy substance to prevent tears from overflowing onto the face?

Tarsal glands

Where is the nictitating membrane located in domestic animals?

Between the eyelids and eyeball

What is the function of the conjunctival sac?

To line the interior surfaces of the eyelids

What is the function of the lacrimal apparatus?

To produce and secrete tears

What is the function of the conjunctiva?

To cover the front portion of the eyeball

What are the corners where the eyelids come together called?

Canthus

What is the function of the photoreceptors in the retina?

To generate visual nerve impulses

Which layer of the eyeball contains the cornea and sclera?

Outer fibrous layer

What is the main function of the iris?

To control the amount of light that enters the eyeball

What is the purpose of the ciliary body in the eyeball?

To adjust the shape of the lens for near and far vision

Which layer of the retina contains the sensory receptors for vision?

Photoreceptor layer

What are the two types of photoreceptor cells in the retina?

Rods and cones

Which of the following is a general type of stimuli that can trigger a response from sensory receptors?

Tactile stimuli

Which of the following senses is NOT considered a visceral sense?

Proprioception

What is the difference between superficial and central temperature sensors?

Superficial temperature sensors detect external temperature, while central temperature sensors detect internal temperature.

Which of the following processes contribute to nociception?

Pain reception

What is the structure responsible for detecting taste?

Taste buds

Which of the following is NOT considered a special sense?

Touch

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

Pinna

Which part of the ear amplifies and transmits the vibrations from the eardrum to the inner ear?

Middle ear

Which part of the ear contains the sensory receptors that convert the mechanical vibrations to nerve impulses, along with receptors for the equilibrium sense?

Inner ear

What is the name of the thin connective tissue membrane tightly stretched across the opening between the external auditory canal and the middle ear cavity?

Tympanic membrane

What are the three ossicles (small bones) that link the tympanic membrane with the cochlea of the inner ear?

Malleus, Incus, Stapes

Where are the equilibrium receptors located in the inner ear?

Vestibule and semicircular canals

Test your knowledge of the nervous system anatomy and functions in this quiz. Explore topics such as the central and peripheral nervous systems, neuron anatomy, the brain, and cranial nerves. Focus on understanding the functions and effects of the sympathetic and parasympathetic systems.

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